o3.sgmail.github.com - dns.ninja

o3.sgmail.github.com

DNSSEC⚠️ Not signed
A192.254.112.98🇺🇸 ASN-SENDGRID192.254.112.0/20 Twilio, Inc. 1801 California Street Suite 500 Denver CO 80202 United States
PTRo3.sgmail.github.com
MXmxa.mailgun.org ⭐
A34.36.182.139🇺🇸 Google34.32.0.0/11
PTR139.182.36.34.bc.googleusercontent.com
MXmxb.mailgun.org ⭐
A34.149.254.5🇺🇸 Google34.148.0.0/14
PTR5.254.149.34.bc.googleusercontent.com

sgmail.github.com

DNSSEC⚠️ Not signed
A167.89.125.30🇺🇸 ASN-SENDGRID167.89.124.0/23 Twilio, Inc. 1801 California Street Suite 500 Denver CO 80202 United States
MXmx.sendgrid.net ⭐
TXTv=spf1 ip4:192.30.252.0/22 include:sendgrid.net ~all
WOT: SAFE (61/100)
WOT: SAFE (64/100)

PTR for

98.112.254.192.in-addr.arpa

Same first word

o3.ua
o3.no
o3.edu.pl
o3.ee
o3.ly
o3.network
o3.hu
o3.solutions
o3.net
o3.su
o3.ca
o3.fr
o3.sk
o3.at
o3.pe
o3.fi
o3.kiev.ua
o3.de
o3.cc
o3.org
o3.com.ua
o3.cz
o3.biz
o3.ru
o3.dk
o3.is
o3.poznan.pl
o3.si
o3.cr
o3.cn
o3.xyz
o3.pl
o3.com
o3.be
o3.nl
o3.cx
o3.cl
o3.world
o3.security

Similar names

3o.dk
3o.ai
3o.hu
3o.cz
3o.cc
3o.fr
3o.no
3o.cn
3o.ph
3o.lt
3o.ca
3o.pl
3o.nu
3o.be
3o.biz
3o.net
3o.org
3o.se
3o.de
3o.eu
3o.com.ua
3o.io
3o.ru
3o.yolasite.com

DNS History

3 records (3 active, 0 former)

201820192020202120222023202420252026MXmxa.mailgun.orgmxb.mailgun.orgA192.254.112.98
●MXmxa.mailgun.org2017-03-09 → 2026-07-23 · 2 obs
● 2017-03-09 10:19:52
● 2026-07-23 11:21:24
●MXmxb.mailgun.org2017-03-09 → 2026-07-23 · 2 obs
● 2017-03-09 10:19:52
● 2026-07-23 11:21:24
●A192.254.112.982017-03-09 → 2026-07-23 · 2 obs
● 2017-03-09 10:19:52
● 2026-07-23 11:21:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net...-
github.comns-520.awsdns-01.net, ns-421.awsdns-52.com, ns-1707.awsdns-21.co.uk, ns-1283.awsdns-32.org...2 records

✅ Authoritative Response

Server:198.51.44.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for github.com (unsigned zone)

⏱️ Timing

Total: 602ms | Queries: -

📄 Records

TypeCountSample Data
A1192.254.112.98
MX2mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10)

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-421.awsdns-52.com, ns-421.awsdns-52.com)

Analysis

IP Addresses

o3.sgmail.github.com points to a single IP number: 192.254.112.98.

Mail Servers

o3.sgmail.github.com has two mail servers: mxa.mailgun.org and mxb.mailgun.org.

o3.sgmail.github.com shares the same mail server setup as other domains, including desconectadoselmusical.com, nexodma.vip, pukcab.net and two others.

o3.sgmail.github.com shares mail servers — at least in part — with other domains, including differsheet.com, jumpstartfilings.com, openidconnect.net and two others.

Both mxa.mailgun.org and mxb.mailgun.org have a single IP address each — mxa.mailgun.org resolves to 34.36.182.139 while mxb.mailgun.org resolves to 34.149.254.5.