DNS & HTTP Analysis for semrush.com

Details: Category: Tool Processing Reports

Processing Domain semrush.com on 20/06/2019 08:05:24

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Help and Support for your DNS or HTTP issues available on our Forum
Whenever you see a clicking on it will take you to more help
The version of the data model that was used in this report is 1.008
The version that produced this report is 1.022b

Processing DNS Records

Basic Checks
Here we check the basic functioning and security of your DNS
Zone Queries 6 Record Types and 17 Records Found
Zone Transfer Failed
Zone Dump
TXT
_dmarc.semrush.com. TTL 300 "v=DMARC1;p=none;sp=none;adkim=r;aspf=r;rua=mailto:This email address is being protected from spambots. You need JavaScript enabled to view it.;fo=1"
semrush.com. TTL 60 "google-site-verification=Jdyk-VWECYqQ7-puXdoLoGp7U629HhAnurYQcRavu90"
semrush.com. TTL 60 "google-site-verification=N92wr1UtG9CBIK7ZKs-RPz5BK6hi5Wnd8IjOAzqy63s"
semrush.com. TTL 60 "v=spf1 mx include:_spf.google.com include:spf.mandrillapp.com include:mta1ip.mindbox.cloud include:mta2ip.mindbox.cloud ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 ip4:192.243.55.0/24 include:_spf.salesforce.com ~all"
NS
semrush.com. TTL 3600 ns-1063.awsdns-04.org.
semrush.com. TTL 3600 ns-2037.awsdns-62.co.uk.
semrush.com. TTL 3600 ns-246.awsdns-30.com.
semrush.com. TTL 3600 ns-850.awsdns-42.net.
A
semrush.com. TTL 5 104.18.69.106
semrush.com. TTL 5 104.18.70.106
MX
semrush.com. TTL 86400 1 aspmx.l.google.com.
semrush.com. TTL 86400 10 alt3.aspmx.l.google.com.
semrush.com. TTL 86400 10 alt4.aspmx.l.google.com.
semrush.com. TTL 86400 5 alt1.aspmx.l.google.com.
semrush.com. TTL 86400 5 alt2.aspmx.l.google.com.
SOA
semrush.com. TTL 900 ns-1063.awsdns-04.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CNAME
www.semrush.com. TTL 300 www.semrush.com.cdn.cloudflare.net.
Nameservers
Here we check the setup of your nameservers. All nameservers on your domain should be listed in the zone and returned in an ANY query along with corresponding A and/or AAAA records resolving their address.
ns-1063.awsdns-04.org 205.251.196.39 Found and Match. (Missing from Zone Address Records )
ns-2037.awsdns-62.co.uk 205.251.199.245 Found and Match. (Missing from Zone Address Records )
ns-246.awsdns-30.com 205.251.192.246 Found and Match. (Missing from Zone Address Records )
ns-850.awsdns-42.net 205.251.195.82 Found and Match. (Missing from Zone Address Records )
All Name Servers on Different Subnets

Processing 4 TXT Records

DMARC Record:
The DMARC Record defines how MTA's should response when parsing DKIM and SPF records
v=dmarc1 (The Version of this record)
p=none (The Policy to implement on FAIL)
sp=none (The Policy to implement for subdomains on FAIL)
adkim=r (Alignment mode for DKIM)
aspf=r (Alignment mode for SPF)
rua=mailto:This email address is being protected from spambots. You need JavaScript enabled to view it. (Reporting URI of aggregate reports)
fo=1 (Dictates what type of authentication/alignment vulnerabilities are reported)
Google Domain Verification Record
This record is used by Google to validate domain ownership when setting up Google Analytics etc
google-site-verification=jdyk-vwecyqq7-puxdologp7u629hhanuryqcravu90
Google Domain Verification Record
This record is used by Google to validate domain ownership when setting up Google Analytics etc
google-site-verification=n92wr1utg9cbik7zks-rpz5bk6hi5wnd8ijoazqy63s
SPF Record:
The SPF Record defines which IP addresses are permitted to send email on this domain's behalf
v=spf1 (The SPF Format Version Number)
mx (Permit servers listed in MX records -extra lookup, some server's won't bother)
include:_spf.google.com (An Include - Additional look-ups required, some server's won't bother.)
include:spf.mandrillapp.com (An Include - Additional look-ups required, some server's won't bother.)
include:mta1ip.mindbox.cloud (An Include - Additional look-ups required, some server's won't bother.)
include:mta2ip.mindbox.cloud (An Include - Additional look-ups required, some server's won't bother.)
ip4:205.201.128.0/20 (The IPv4 Address of a permitted sender - make sure this scopes your outgoing mail server)
ip4:198.2.128.0/18 (The IPv4 Address of a permitted sender - make sure this scopes your outgoing mail server)
ip4:148.105.8.0/21 (The IPv4 Address of a permitted sender - make sure this scopes your outgoing mail server)
ip4:192.243.55.0/24 (The IPv4 Address of a permitted sender - make sure this scopes your outgoing mail server)
include:_spf.salesforce.com (An Include - Additional look-ups required, some server's won't bother.)
~all (Permit other hosts but take note)

Processing 5 MX (Mail Exchanger) Records

These Records determine the servers (mail servers) responsible for handling your incomming email. Each service is given a priority and they will be used in that order. If all the priorities are the same then they will be used in a round-robin fashion
Priority 1 handled by host aspmx.l.google.com. [64.233.167.27] Valid
Email Handled By Google Corporation
Port 25 (smtp) : Open
Priority 10 handled by host alt3.aspmx.l.google.com. [108.177.125.26] Valid
Email Handled By Google Corporation
Port 25 (smtp) : Open
Priority 10 handled by host alt4.aspmx.l.google.com. [74.125.20.26] Valid
Email Handled By Google Corporation
Port 25 (smtp) : Open
Priority 5 handled by host alt1.aspmx.l.google.com. [108.177.14.26] Valid
Email Handled By Google Corporation
Port 25 (smtp) : Open
Priority 5 handled by host alt2.aspmx.l.google.com. [74.125.200.27] Valid
Email Handled By Google Corporation
Port 25 (smtp) : Open

Processing 1 CNAME (Alias) Records

These records are aliases making one hostname relate to another. These are often used to match hosts back to clusters or internal referencs that may change.
www.semrush.com. www.semrush.com.cdn.cloudflare.net.

Processing 2 A (IPv4 Address) Records

These records define the IP Addresse(s) of the servers responsible for hosting your webiste and other resouces on your domain. The www record is the most common one and will be used to identify your website address
Host: semrush.com. = IP: [104.18.69.106] Valid Reachable (13.994ms)
Host: semrush.com. = IP: [104.18.70.106] Valid Reachable (14.058ms)

Processing AAAA (IPv6 Address) Records

These records define the IP Addresse(s) of the servers responsible for hosting your webiste and other resouces on your domain

Processing Domain Public Records

Domain Name WHOIS Information - semrush.com
Domain Name SEMRUSH.COM
Registry Domain ID 1522609536_DOMAIN_COM-VRSN
Registrar WHOIS Server whois.onlinenic.com
Registrar URL: http://www.onlinenic.com
Updated Date: 2018-07-09T09:38:41Z
Creation Date: 2008-10-03T16:45:33Z
Registry Expiry Date: 2019-10-03T16:45:33Z
Registrar OnlineNIC, Inc.
Registrar IANA ID 82
Registrar Abuse Contact Email This email address is being protected from spambots. You need JavaScript enabled to view it.
Registrar Abuse Contact Phone +1.5107698492
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server NS-1063.AWSDNS-04.ORG
Name Server NS-2037.AWSDNS-62.CO.UK
Name Server NS-246.AWSDNS-30.COM
Name Server NS-850.AWSDNS-42.NET
DNSSEC unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
Website Hosting WHOIS Information - 104.18.69.106
NetRange 104.16.0.0 - 104.31.255.255
CIDR 104.16.0.0/12
NetHandle NET-104-16-0-0-1
Parent NET104 (NET-104-0-0-0-0)
NetType Direct Assignment
OriginAS AS13335
Organization Cloudflare, Inc. (CLOUD14)
RegDate 2014-03-28
Updated 2017-02-17
Ref: https://rdap.arin.net/registry/ip/104.16.0.0
OrgName Cloudflare, Inc.
OrgId CLOUD14
Address 101 Townsend Street
City San Francisco
StateProv CA
PostalCode 94107
Country US
RegDate 2010-07-09
Updated 2018-10-10
Ref: https://rdap.arin.net/registry/entity/CLOUD14
OrgTechHandle ADMIN2521-ARIN
OrgTechName Admin
OrgTechPhone +1-650-319-8930
OrgTechEmail rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN
OrgNOCHandle NOC11962-ARIN
OrgNOCName NOC
OrgNOCPhone +1-650-319-8930
OrgNOCEmail noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN
OrgAbuseHandle ABUSE2916-ARIN
OrgAbuseName Abuse
OrgAbusePhone +1-650-319-8930
OrgAbuseEmail abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN
RNOCHandle NOC11962-ARIN
RNOCName NOC
RNOCPhone +1-650-319-8930
RNOCEmail noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN
RTechHandle ADMIN2521-ARIN
RTechName Admin
RTechPhone +1-650-319-8930
RTechEmail rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN
RAbuseHandle ABUSE2916-ARIN
RAbuseName Abuse
RAbusePhone +1-650-319-8930
RAbuseEmail abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

Processing Website

Website Headers for www.semrush.com
We will obtain the headers from your website and parse them for validity
Web Server is cloudflare
Server header does not contain version information
Request Response HTTP/1.1 200 OK OK
SSL is available and enabled
/OU=Domain Control Validated/OU=Hosted by OnlineNic Inc/OU=PositiveSSL Wildcard/CN=*.semrush.com
Locality
Organisation
Certificate Scope *.semrush.com
Certificate Issuer
Country GB
Organisation Sectigo Limited
Certificate Scope Sectigo RSA Domain Validation Secure Server CA
Certificate Validity
Valid From 190521000000Z
Valid To 200520235959Z
Certificate Ciphers
SN RSA-SHA256
LN sha256WithRSAEncryption
Certificate Extensions
Alternative Hostnames DNS:*.semrush.com, DNS:semrush.com
Key Usage TLS Web Server Authentication, TLS Web Client Authentication
There was a redirect to https://www.semrush.com/
General
allow Valid methods for a specified resource after a 405 : Missing
location For Redirects specifies the target : Missing
connection Control options for the current connection [keep-alive]
x-powered-by Specifies Technology in use - Security Risk : Missing
x-aspnet-version Specifies the ASP.net version - Security Risk : Missing
accept-ranges To advertise its support of partial requests : Missing
link Used to express typed relationship with another resource : Missing
upgrade HTTP/2 (The latest and faster version of HTTP is available : Missing
Security
referrer-policy Modifies the algorithm used to populate the Referer Header : Missing
x-xss-protection Prevents pages loading when XSS is detected [1; mode=block]
feature-policy Allow or Deny the use of browser features : Missing
p3p Platform for Privacy Preferences [policyref="/w3c/p3p.xml", CP="CUR ADM OUR NOR STA NID"]
content-security-policy CSP Content Security Policy : Missing
x-frame-options Can we open this response in an iframe [SAMEORIGIN]
Cross Origin
access-control-allow-origin Can we share the response with the given origin : Missing
access-control-allow-credentials Tells Browsers whether to expose the response to frontend JavaScript : Missing
access-control-expose-headers Indicates which headers can be exposed as part of the Response : Missing
access-control-max-age Indicates how long the results of a preflight request can be stored : Missing
access-control-allow-methods Methods allowed when accessing the resource in response to a preflight request : Missing
access-control-allow-headers Indicates which headers can be used during the actual request : Missing
Content
content-language The natural language or languages of the intended audience [en]
transfer-encoding The form of encoding used : Missing
content-length The length of the response body : Missing
content-type The Media type of the Response Body [text/html; charset=utf-8]
date The date and time of generation [Thu, 20 Jun 2019 08:01:35 GMT]
content-disposition An opportunity to raise a File Download dialogue box : Missing
content-encoding The type of encoding/compression used on the Response : Missing
content-location An alternate location for the returned data : Missing
content-range Where in a full body message this partial message belongs : Missing
etag An identifier for a specific version of a resource : Missing
vary how to match future request headers [Cookie]
x-content-type-options Types in Content-Type should NOT be changed [nosniff]
Cache
cache-control Tells caches whether they may cache this object [no-cache]
expires Gives the date/time after which the response is considered stale : Missing
last-modified The last modified date for the requested object : Missing
pragma Implementation-specific fields for caching : Missing
x-cache-action From an Intermediate cache : Missing
x-cache-hits Intermediate Cache Hits count : Missing
x-cache-age Intermediate Cache Content Age : Missing
via Informs the client of proxies through which the response was sent : Missing
age The Age this page has been cached in a proxy : Missing
x-served-by The Cache that served this response : Missing
x-cache Indicates if the cache served cached content : Missing
x-via-fastly Specific headers from Fastly : Missing
Strict Transport Security (HSTS) Policy
strict-transport-security A HSTS Policy for the client with scope [max-age=31536000; includeSubdomains; preload]
Cookies and Fragments
set-cookie Cookie Data to store locally [__cflb=3437946050; path=/; expires=Fri, 21-Jun-19 07:01:35 GMT; HttpOnly]
Other
x-backend-server Identifies the backend server providing this response : Missing
x-robots-tag Search engine Robot Directive : Missing
gen Used by some of the GEN Tools to verify zone ownership : Missing
cf-cache-status Cloudflare Specific Header indicating cache status for this response : Missing
x-aspnetmvc-version ASP MVC Version Number - Security Risk : Missing
Not Profiled
cf-ray [4e9c37339eda35ac-LHR]
expect-ct [max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"]
x-semrush-meta-title [SEMrush - Online Visibility Management Platform]
x-service [index]
Robots.txt
You have a robots.txt file and it appears to be valid
Allow Entries (18) - Specific Allow
Disallow Entries (48) - Specific Disallow
Sitemap Entries (1) - Sitemaps
https://www.semrush.com/sitemap.xml
Other Entries (11)

Processing Website Profile Data

Website Render for www.semrush.com
Technology Profile semrush.com
We will check for fingerprints of common website technologies
Failed to succesfully profile the website, it is likely either custom or plain HTML.
MOZ Rank Profile https://www.semrush.com/
We will retrieve your Ranking Profile from Moz.com
216796 The number of external, equity links
508885 The number of internal and external equity and non-equity links
81 The Domain Authority (DA) ( 0->100 )
68 The Page Authority (PA) ( 0->100 )
6.800000191 The MozRank of the Domain ( 0->10 )
Google Safe Browsing https://www.semrush.com/
We will retrieve Safe Browsing Status from Google
This site is NOT listed as being unsafe by Google
PhishTank Lookup https://www.semrush.com/
We will check PhishTank to see if your site is listed
This site is NOT listed as being unsafe by PhishTank
Alexa Rank Profile https://www.semrush.com/
We will retrieve your Ranking Profile from Alexa.com
3494 The number of external in links
4949 Your Alexa Rank
Meta Profile https://www.semrush.com/
We will check the entire body for metadata
theme-color : #ba4717
format-detection : telephone=no
twitter:creator : @semrush
twitter:title :
twitter:site : @semrush
viewport : width=device-width, initial-scale=1, viewport-fit=cover
twitter:description : SEMrush offers solutions for SEO, PPC, content, social media and competitive research. Trusted by over 3,000,000 marketers worldwide
twitter:card : summary_large_image
description : SEMrush offers solutions for SEO, PPC, content, social media and competitive research. Trusted by over 3,000,000 marketers worldwide

Processing Completed

Performance Profile
DNS Lookups : 0.32 seconds
DNS Folding/Unfolding : 0.00 seconds
DNS Nameserver Checks : 0.00 seconds
DNS TXT Records : 0.00 seconds
DNS MX Records : 0.97 seconds
DNS CNAME : 0.00 seconds
DNS Address : 0.05 seconds
WHOIS Lookups : 0.48 seconds
First CURL : 0.10 seconds
Second CURL : 0.38 seconds
SSL Lookup : 0.32 seconds
Header Parsing : 0.00 seconds
Robots.txt Parsing : 0.10 seconds
Website Profile : 3.54 seconds
Website MozData : 0.20 seconds
Safe Browsing : 0.11 seconds
PhishTank : 0.16 seconds
Website Alexa : 1.00 seconds
Website META : 0.32 seconds
The process is now completed and the results are shown above. The raw processing data is available HERE. Please take a moment to consider each test and its response. DNS, SMTP and HTTP are not simple protocols and it is way beyond the scope of this tool to suggest improvements, but you are welcome to request assistance via our Forum.