DNS Report: github.com

Generated: 2026-08-08T16:55:12-05:00

80/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/208 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
OKCAA policy5/5Certificate authority restriction.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5553 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers19/355 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: lb-140-82-114-4-iad.github.com
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
140.82.114.4
AAAA
CNAME
MX
0 github-com.mail.protection.outlook.com.
TXT
"00Dd0000000hHE0=1TBKg000000TN2r"
"MS=ms58704441"
"google-site-verification=82Le34Flgtd15ojYhHlGF_6g72muSjamlMVThBOJpks"
"MS=ms44452932"
"anthropic-domain-verification-4az7qn=if8YWuRRqwLycGJDooumzHtxm"
"shopify-verification-code=t1YPwcmvnxZyBycaCpk1MPyWoFs72o"
"loom-site-verification=f3787154f1154b7880e720a511ea664d"
"TAILSCALE-xOzoDvFUzZr5YYVCQFuD"
"facebook-domain-verification=39xu4jzl7roi7x0n93ldkxjiaarx50"
"calendly-site-verification=at0DQARi7IZvJtXQAWhMqpmIzpvoBNF7aam5VKKxP"
"serval-domain-verification-ydryhj=qbkiEakpwEpTvHh5fIiCqtaue"
"apple-domain-verification=RyQhdzTl6Z6x8ZP4"
"v=spf1 ip4:192.30.252.0/22 include:spf.protection.outlook.com include:_netblocks.google.com include:_netblocks2.google.com include:mail.zendesk.com include:_spf.salesforce.com include:servers.mcsv.net include:mktomail.com include:sendgrid.net ip4:62.253.2" "27.114 ip4:166.78.69.169 ip4:166.78.69.170 ip4:166.78.71.131 ~all"
"atlassian-domain-verification=jjgw98AKv2aeoYFxiL/VFaoyPkn3undEssTRuMg6C/3Fp/iqhkV4HVV7WjYlVeF8"
"jamf-site-verification=XtaPNIYghF_e_xRDI8CjgQ"
"docusign=087098e3-3d46-47b7-9b4e-8a23028154cd"
"miro-verification=d2e174fdb00c71e0bcf58f8e58c3da2dd80dcfa9"
"adobe-idp-site-verification=b92c9e999aef825edc36e0a3d847d2dbad5b2fc0e05c79ddd7a16139b48ecf4b"
"krisp-domain-verification=ZlyiK7XLhnaoUQb2hpak1PLY7dFkl1WE"
"MS=6BF03E6AF5CB689E315FB6199603BABF2C88D805"
"google-site-verification=UTM-3akMgubp6tQtgEuAkYNYLyYAvpTnnSrDMWoDR3o"
"stripe-verification=f88ef17321660a01bab1660454192e014defa29ba7b8de9633c69d6b4912217f"
NS
ns-1707.awsdns-21.co.uk.
ns-1283.awsdns-32.org.
ns-520.awsdns-01.net.
ns-421.awsdns-52.com.
dns2.p08.nsone.net.
dns1.p08.nsone.net.
dns3.p08.nsone.net.
dns4.p08.nsone.net.
SOA
ns-1707.awsdns-21.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
0 issuewild "sectigo.com"
0 issuewild "letsencrypt.org"
0 issue "sectigo.com"
0 issue "globalsign.com"
0 issue "digicert.com"
0 issue "letsencrypt.org"
0 issuewild "digicert.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP