o11.sgmail.github.com - dns.ninja
o11.sgmail.github.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 167.89.101.202🇺🇸 ASN-SENDGRID167.89.96.0/20 Twilio, Inc. 1801 California Street Suite 500 Denver CO 80202 United States | ||||||
| PTR | o11.sgmail.github.com | ||||||
| MX | mxa.mailgun.org ⭐ | ||||||
| A | 34.149.254.5🇺🇸 Google34.148.0.0/14 | ||||||
| PTR | 5.254.149.34.bc.googleusercontent.com | ||||||
| MX | mxb.mailgun.org ⭐ | ||||||
| A | 34.36.182.139🇺🇸 Google34.32.0.0/11 | ||||||
| PTR | 139.182.36.34.bc.googleusercontent.com | ||||||
sgmail.github.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 167.89.125.30🇺🇸 ASN-SENDGRID167.89.124.0/23 Twilio, Inc. 1801 California Street Suite 500 Denver CO 80202 United States | ||||||
| MX | mx.sendgrid.net ⭐ | ||||||
| TXT | v=spf1 ip4:192.30.252.0/22 include:sendgrid.net ~all | ||||||
WOT: SAFE (64/100)
PTR for
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●MXmxa.mailgun.org2017-05-29 → 2026-07-23 · 2 obs
● 2026-07-23 08:28:18
●MXmxb.mailgun.org2017-05-29 → 2026-07-23 · 2 obs
● 2026-07-23 08:28:18
●A167.89.101.2022017-05-29 → 2026-07-23 · 2 obs
● 2026-07-23 08:28:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net... | - |
| github.com | ns-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:198.51.45.72
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: 434ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 167.89.101.202 |
| MX | 2 | mxa.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
o11.sgmail.github.com has exactly one IP address — 167.89.101.202.
Mail Servers
o11.sgmail.github.com uses two mail servers, mxa.mailgun.org and mxb.mailgun.org.
The mail server setup of o11.sgmail.github.com matches that of other domains such as kunstraum-blickfang.de, guanajuatodesconocido.com, html.faq-guide-quickbooks-premier-pro-support-number-real-human.page.nextdoor.com and two others.
At least some of the mail servers used by o11.sgmail.github.com are shared with other domains: levage-saf-helico.com, carespeak.com, venko.com.ua and two others among them.
mxa.mailgun.org resolves to 34.149.254.5. mxb.mailgun.org resolves to 34.36.182.139. Both host names point to a single IP number.