DNS & HTTP Analysis for Facebook.com
- Details
- Category: Tool Processing Reports
Processing Domain facebook.com on 19/09/2022 00:06:11
- This tool is available free to use at GENSupport
- 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 1.023b
Processing DNS Records
Basic Checks
Here we check the basic functioning and security of your DNS
- Zone Queries 6 Record Types and 21 Records Found
- Zone Transfer Failed
- Zone Dump
- TXT
- _dmarc.facebook.com. TTL 3600 "v=DMARC1; p=reject; rua=mailto:This email address is being protected from spambots. You need JavaScript enabled to view it.; ruf=mailto:This email address is being protected from spambots. You need JavaScript enabled to view it.; pct=100"
- facebook.com. TTL 7200 "google-site-verification=A2WZWCNQHrGV_TWwKh6KHY90tY0SHZo_RnyMJoDaG0s"
- facebook.com. TTL 7200 "google-site-verification=sK6uY9x7eaMoEMfn3OILqwTFYgaNp4llmguKI-C3_iA"
- facebook.com. TTL 7200 "google-site-verification=wdH5DTJTc9AYNwVunSVFeK0hYDGUIEOGb-RReU6pJlY"
- facebook.com. TTL 86400 "v=spf1 redirect=_spf.facebook.com"
- A
- a.ns.facebook.com. TTL 172800 129.134.30.12
- b.ns.facebook.com. TTL 172800 129.134.31.12
- c.ns.facebook.com. TTL 172800 185.89.218.12
- d.ns.facebook.com. TTL 172800 185.89.219.12
- facebook.com. TTL 300 157.240.225.35
- AAAA
- a.ns.facebook.com. TTL 172800 2a03:2880:f0fc:c:face:b00c:0:35
- b.ns.facebook.com. TTL 172800 2a03:2880:f0fd:c:face:b00c:0:35
- c.ns.facebook.com. TTL 172800 2a03:2880:f1fc:c:face:b00c:0:35
- d.ns.facebook.com. TTL 172800 2a03:2880:f1fd:c:face:b00c:0:35
- facebook.com. TTL 300 2a03:2880:f166:81:face:b00c:0:25de
- NS
- facebook.com. TTL 172800 a.ns.facebook.com.
- facebook.com. TTL 172800 b.ns.facebook.com.
- facebook.com. TTL 172800 c.ns.facebook.com.
- facebook.com. TTL 172800 d.ns.facebook.com.
- MX
- facebook.com. TTL 3600 10 smtpin.vvv.facebook.com.
- CNAME
- www.facebook.com. TTL 3600 star-mini.c10r.facebook.com.
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.
- b.ns.facebook.com 129.134.31.12 Found and Match. (Found in Address Records)
- d.ns.facebook.com 185.89.219.12 Found and Match. (Found in Address Records)
- c.ns.facebook.com 185.89.218.12 Found and Match. (Found in Address Records)
- a.ns.facebook.com 129.134.30.12 Found and Match. (Found in Address Records)
- All Name Servers on Different Subnets
Processing 5 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=reject (The Policy to implement on FAIL)
- rua=mailto:This email address is being protected from spambots. You need JavaScript enabled to view it. (Reporting URI of aggregate reports)
- ruf=mailto:This email address is being protected from spambots. You need JavaScript enabled to view it. (Reporting URI for forensic reports)
- pct=100 (The Percentage of Messages subject to filtering)
Google Domain Verification Record
This record is used by Google to validate domain ownership when setting up Google Analytics etc
- google-site-verification=a2wzwcnqhrgv_twwkh6khy90ty0shzo_rnymjodag0s
Google Domain Verification Record
This record is used by Google to validate domain ownership when setting up Google Analytics etc
- google-site-verification=sk6uy9x7eamoemfn3oilqwtfyganp4llmguki-c3_ia
Google Domain Verification Record
This record is used by Google to validate domain ownership when setting up Google Analytics etc
- google-site-verification=wdh5dtjtc9aynwvunsvfek0hydguieogb-rreu6pjly
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)
- redirect=_spf.facebook.com (Permit servers listed in A records -extra lookup, some server's won't bother)
Processing 1 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 10 handled by host smtpin.vvv.facebook.com. [69.171.251.251] Valid
- Email Handled Third Party
- 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.facebook.com. star-mini.c10r.facebook.com.
Processing 5 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: a.ns.facebook.com. = IP: [129.134.30.12] Valid Reachable (50.032ms)
- Host: b.ns.facebook.com. = IP: [129.134.31.12] Valid Reachable (19.138ms)
- Host: c.ns.facebook.com. = IP: [185.89.218.12] Valid Reachable (24.497ms)
- Host: d.ns.facebook.com. = IP: [185.89.219.12] Valid Reachable (19.485ms)
- Host: facebook.com. = IP: [157.240.225.35] Valid Reachable (17.463ms)
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
- Host: a.ns.facebook.com. = IP: [2a03:2880:f0fc:c:face:b00c:0:35] Valid
- Host: b.ns.facebook.com. = IP: [2a03:2880:f0fd:c:face:b00c:0:35] Valid
- Host: c.ns.facebook.com. = IP: [2a03:2880:f1fc:c:face:b00c:0:35] Valid
- Host: d.ns.facebook.com. = IP: [2a03:2880:f1fd:c:face:b00c:0:35] Valid
- Host: facebook.com. = IP: [2a03:2880:f166:81:face:b00c:0:25de] Valid
Processing Domain Public Records
Domain Name WHOIS Information - facebook.com
- Domain Name FACEBOOK.COM
- Registry Domain ID 2320948_DOMAIN_COM-VRSN
- Registrar WHOIS Server whois.registrarsafe.com
- Registrar URL: http://www.registrarsafe.com
- Updated Date: 2022-01-26T16:45:06Z
- Creation Date: 1997-03-29T05:00:00Z
- Registry Expiry Date: 2031-03-30T04:00:00Z
- Registrar RegistrarSafe, LLC
- Registrar IANA ID 3237
- Registrar Abuse Contact Email This email address is being protected from spambots. You need JavaScript enabled to view it.
- Registrar Abuse Contact Phone +1-650-308-7004
- Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
- Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
- Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
- Domain Status: serverDeleteProhibited https://icann.org/epp#serverDeleteProhibited
- Domain Status: serverTransferProhibited https://icann.org/epp#serverTransferProhibited
- Domain Status: serverUpdateProhibited https://icann.org/epp#serverUpdateProhibited
- Name Server A.NS.FACEBOOK.COM
- Name Server B.NS.FACEBOOK.COM
- Name Server C.NS.FACEBOOK.COM
- Name Server D.NS.FACEBOOK.COM
- DNSSEC unsigned
- URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
Website Hosting WHOIS Information - 129.134.30.12
- NetRange 129.134.0.0 - 129.134.255.255
- CIDR 129.134.0.0/16
- NetHandle NET-129-134-0-0-1
- Parent NET129 (NET-129-0-0-0-0)
- NetType Direct Allocation
- OriginAS
- Organization Facebook, Inc. (THEFA-3)
- RegDate 2015-05-13
- Updated 2021-12-14
- Ref: https://rdap.arin.net/registry/ip/129.134.0.0
- OrgName Facebook, Inc.
- OrgId THEFA-3
- Address 1601 Willow Rd.
- City Menlo Park
- StateProv CA
- PostalCode 94025
- Country US
- RegDate 2004-08-11
- Updated 2012-04-17
- Ref: https://rdap.arin.net/registry/entity/THEFA-3
- OrgAbuseHandle OPERA82-ARIN
- OrgAbuseName Operations
- OrgAbusePhone +1-650-543-4800
- OrgAbuseEmail domain@facebook.com
- OrgAbuseRef: https://rdap.arin.net/registry/entity/OPERA82-ARIN
- OrgTechHandle OPERA82-ARIN
- OrgTechName Operations
- OrgTechPhone +1-650-543-4800
- OrgTechEmail domain@facebook.com
- OrgTechRef: https://rdap.arin.net/registry/entity/OPERA82-ARIN
Processing Website
Website Headers for www.facebook.com
We will obtain the headers from your website and parse them for validity
- Web Server Header is Missing
- Request Response HTTP/1.1 302 Found Moved Temporarily
- SSL is available and enabled
/C=US/ST=California/L=Menlo Park/O=Facebook, Inc./CN=*.facebook.comUSCalifornia
- Locality Menlo Park
- Organisation Facebook, Inc.
- Certificate Scope *.facebook.com
Certificate Issuer
- Country US
- Organisation DigiCert Inc
- Certificate Scope DigiCert SHA2 High Assurance Server CA
Certificate Validity
- Valid From 220628000000Z
- Valid To 220926235959Z
Certificate Ciphers
- SN RSA-SHA256
- LN sha256WithRSAEncryption
Certificate Extensions
- Alternative Hostnames DNS:*.facebook.com, DNS:*.facebook.net, DNS:*.fbcdn.net, DNS:*.fbsbx.com, DNS:*.m.facebook.com, DNS:*.messenger.com, DNS:*.xx.fbcdn.net, DNS:*.xy.fbcdn.net, DNS:*.xz.fbcdn.net, DNS:facebook.com, DNS:messenger.com
- Key Usage TLS Web Server Authentication, TLS Web Client Authentication
- There was a redirect to https://www.facebook.com/
- There was a SECOND redirect https://www.facebook.com/unsupportedbrowser
General
- allow Valid methods for a specified resource after a 405 : Missing
- location For Redirects specifies the target [https://www.facebook.com/unsupportedbrowser]
- 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 : Missing
- feature-policy Allow or Deny the use of browser features : Missing
- p3p Platform for Privacy Preferences : Missing
- content-security-policy CSP Content Security Policy : Missing
- x-frame-options Can we open this response in an iframe : Missing
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 : Missing
- transfer-encoding The form of encoding used : Missing
- content-length The length of the response body [0]
- content-type The Media type of the Response Body [text/html; charset="utf-8"]
- date The date and time of generation [Sun, 18 Sep 2022 23:06:13 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 : Missing
- x-content-type-options Types in Content-Type should NOT be changed : Missing
Cache
- cache-control Tells caches whether they may cache this object : Missing
- 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
Cookies and Fragments
- set-cookie Cookie Data to store locally : Missing
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
- x-fb-debug [IKxo2ikIS6Odl8R5zvRGrqlJlQQb0EYbKQKwDHiZo/zUDiuojxRSi9JCrnbQH0E/QJUlYvtEY+8nlY52hUmH0Q==]
- alt-svc [h3=":443"; ma=86400, h3-29=":443"; ma=86400]
Robots.txt
- You have a robots.txt file and it appears to be valid
- Allow Entries (96) - Specific Allow
- Disallow Entries (429) - Specific Disallow
- Sitemap Entries (0) - Sitemaps
- Other Entries (42)
Processing Website Profile Data
Website Render for www.facebook.com
Technology Profile facebook.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.facebook.com/
We will retrieve your Ranking Profile from Moz.com
- 2224719084 The number of external, equity links
- 2492327504 The number of internal and external equity and non-equity links
- 96 The Domain Authority (DA) ( 0->100 )
- 100 The Page Authority (PA) ( 0->100 )
- 10 The MozRank of the Domain ( 0->10 )
Google Safe Browsing https://www.facebook.com/
We will retrieve Safe Browsing Status from Google
PhishTank Lookup https://www.facebook.com/
We will check PhishTank to see if your site is listed
Alexa Rank Profile https://www.facebook.com/
We will retrieve your Ranking Profile from Alexa.com
Meta Profile https://www.facebook.com/
We will check the entire body for metadata
- referrer : default
- robots : noodp,noydir
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 : 0.13 seconds
- DNS CNAME : 0.00 seconds
- DNS Address : 0.23 seconds
- WHOIS Lookups : 0.44 seconds
- First CURL : 0.12 seconds
- Second CURL : 0.12 seconds
- SSL Lookup : 0.61 seconds
- Header Parsing : 0.00 seconds
- Robots.txt Parsing : 0.14 seconds
- Website Profile : 3.83 seconds
- Website MozData : 0.20 seconds
- Safe Browsing : 0.15 seconds
- PhishTank : 0.09 seconds
- Website Alexa : 0.63 seconds
- Website META : 0.28 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.