githubmail.co - robtex.com
githubmail.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759775396 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns01.domaincontrol.com2026-09-24 → 2026-10-07 · 2 obs
● 2026-10-07 11:09:20
●NSns02.domaincontrol.com2026-09-24 → 2026-10-07 · 2 obs
● 2026-10-07 11:09:20
●MXmx.sendgrid.net2026-09-24 → 2026-10-07 · 2 obs
● 2026-10-07 11:09:20
●A142.93.80.972026-09-24 → 2026-10-07 · 2 obs
● 2026-10-07 11:09:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| githubmail.co | ns02.domaincontrol.com, ns01.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.100.1
NS records: ns02.domaincontrol.com, ns01.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for githubmail.co (unsigned zone)
⏱️ Timing
Total: 2450ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 142.93.80.97 |
| NS | 2 | ns01.domaincontrol.com, ns02.domaincontrol.com |
| MX | 1 | mx.sendgrid.net (pri: 10) |
| SOA | 1 | ns01.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
githubmail.co directs to one IP number, which is 142.93.80.97.
Among the host names that share IP numbers with githubmail.co are m-gmail.org, amazonemail.org, cignaemails.com and two others.
Name Servers
githubmail.co is delegated to two name servers: ns01.domaincontrol.com and ns02.domaincontrol.com.
githubmail.co has the same name server delegation as a number of other domains, such as agentive.co.uk, plainfieldrealtor.info, topdogtint.com and two more.
ns01.domaincontrol.com and ns02.domaincontrol.com each resolve to two IP addresses: ns01.domaincontrol.com points to 97.74.100.1 and 2603:5:2140::1, while ns02.domaincontrol.com points to 173.201.68.1 and 2603:5:2240::1.
Mail Servers
githubmail.co routes its mail through a single mail server, mx.sendgrid.net.
githubmail.co has the same mail server arrangement as a number of other domains, for example fronttrades.com, pizzeriaphonebox.at, aroma-romford.com and two more.
githubmail.co shares at least some of its mail servers with other domains — for example fcamp.com.br, poolsss.com.au, werkenbijvolkerwessels.com and two more.
It is common to find these mail servers paired with mail servers aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 6 more.
mx.sendgrid.net directs to 9 IP numbers, including 3.17.120.38, 3.136.245.72 and 13.216.54.185, along with 6 other.