email.support.github.com - robtex.com

email.support.github.com

CNAMEmailgun.org
DNSSEC⚠️ Not signed
A34.110.180.34🇺🇸 Google34.108.0.0/14
PTR34.180.110.34.bc.googleusercontent.com
NSns-586.awsdns-09.net ⭐
A2600:9000:5302:4a00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-586.awsdns-09.net
A205.251.194.74🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-586.awsdns-09.net
NSns-133.awsdns-16.com
A2600:9000:5300:8500::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-133.awsdns-16.com
A205.251.192.133🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-133.awsdns-16.com
NSns-1482.awsdns-57.org
A2600:9000:5305:ca00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1482.awsdns-57.org
A205.251.197.202🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1482.awsdns-57.org
NSns-1614.awsdns-09.co.uk
A2600:9000:5306:4e00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1614.awsdns-09.co.uk
A205.251.198.78🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1614.awsdns-09.co.uk
MXmxa.mailgun.org ⭐
A34.36.182.139🇺🇸 Google34.32.0.0/11
PTR139.182.36.34.bc.googleusercontent.com
MXmxb.mailgun.org ⭐
A34.36.182.139🇺🇸 Google34.32.0.0/11
PTR139.182.36.34.bc.googleusercontent.com
TXT8f7088gv5932jxw9lwwd1b6ttx2pw2ds
TXT_8nu1z7buo055obs89jw55hkjzooc4nm
TXT_zowlnczhs3ly3yr8wkbffswsqqbijle
TXTbm875fk62qjqg22ls9c0hzvp69fg6v45
TXTgoogle-site-verification=FIGVOKZm6lQFDBJaiC2DdwvBy8TInunoGCt-1gnL4PA
TXTv=spf1 include:_spf.mailgun.org include:_spf.eu.mailgun.org -all
TXTyahoo-verification-key=6SqcA173NI/sqCJxeUdqWBdMhCYOvO3l8KcWWDpf0qY=
SOAns-586.awsdns-09.netawsdns-hostmaster@amazon.com serial=1

support.github.com

DNSSEC⚠️ Not signed
A185.199.108.133🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24
A185.199.109.133🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24
A185.199.110.133🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24
A185.199.111.133🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24
MXgithub-com.mail.protection.outlook.com ⭐
TXTv=spf1 include:_spf.google.com ~all
WOT: SAFE (93/100)
WOT: SAFE (94/100)

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DNS History

1 record (1 active, 0 former)

CNAMEmailgun.org
●CNAMEmailgun.org2026-02-24 → 2026-04-24 · 2 obs
● 2026-02-24 00:09:56
● 2026-04-24 17:32:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
github.comns-520.awsdns-01.net, ns-421.awsdns-52.com, ns-1707.awsdns-21.co.uk, ns-1283.awsdns-32.org...-
github.comdns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net, dns4.p08.nsone.net...-
github.comdns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net, dns4.p08.nsone.net...-

✅ Authoritative Response

Server:198.51.45.72

NS records: dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net, dns4.p08.nsone.net, ns-1283.awsdns-32.org, ns-1707.awsdns-21.co.uk, ns-421.awsdns-52.com, ns-520.awsdns-01.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for github.com (unsigned zone)

⏱️ Timing

Total: 289ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1mailgun.org

Analysis

IP Addresses

email.support.github.com resolves to a single IP: 34.110.180.34.

Other host names, for instance mail11.mailgun.org, mail2box.mailgun.org, m.mailgun.org, nxa.mailgun.org and l.google.com.mxa.mailgun.org share IP numbers with email.support.github.com.

Name Servers

email.support.github.com is delegated to four name servers: ns-133.awsdns-16.com, ns-586.awsdns-09.net, ns-1482.awsdns-57.org and ns-1614.awsdns-09.co.uk.

email.support.github.com shares some name servers with other domains, for example d1mwmwu8t7eioc.cloudfront.net, worldvectorlogo.com, amplifoninternal.com, volaris.com and dt84bpooubctt.cloudfront.net.

Host names with two IP numbers

Two IPs per host:

ns-133.awsdns-16.com points to 2600:9000:5300:8500::1 and 205.251.192.133

ns-586.awsdns-09.net points to 2600:9000:5302:4a00::1 and 205.251.194.74

ns-1482.awsdns-57.org points to 2600:9000:5305:ca00::1 and 205.251.197.202

ns-1614.awsdns-09.co.uk points to 2600:9000:5306:4e00::1 and 205.251.198.78

Mail Servers

email.support.github.com is served by two mail servers: mxa.mailgun.org and mxb.mailgun.org.

email.support.github.com shares the mail server setup with other domains, for example nickellite.com, sandexdrillingandblasting.com, greatermysore.com, gary-campbell.com and aitmanga.com.

email.support.github.com shares some mail servers with other domains, at least partially; for instance datingcashexperts.com, pelatis.co, intouchposmail.com, mail.ednc.com and coshape.io.

Host names with one IP number:

mxa.mailgun.org points to: 34.36.182.139

mxb.mailgun.org points to: 34.36.182.139

Names pointing to 34.36.182.139: mxa.mailgun.org and mxb.mailgun.org