githubio.org - dns.ninja
githubio.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.icedns.is ⭐ | ||||||
| A | 82.221.143.41🇮🇸 ThorDC-AS82.221.143.0/24 Advania / Thor Data Center | ||||||
| PTR | dns1.icedns.is | ||||||
| NS | dns2.icedns.is | ||||||
| A | 82.221.139.80🇮🇸 ThorDC-AS82.221.139.0/24 Advania / Thor Data Center | ||||||
| MX | githubio.org ⭐ | ||||||
| SOA | dns1.icedns.isroot@dns.icedns.is 2026-03-05 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785364419 | ||||||
MX for
githubio.org |
Same first word
githubio.org |
Similar names
DNS History
3 records (3 active, 0 former)
●MXgithubio.org2026-04-09 → 2026-07-29 · 2 obs
● 2026-07-29 22:55:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| githubio.org | dns2.icedns.is, dns1.icedns.is | - |
✅ Authoritative Response
Server:82.221.139.80
NS records: dns2.icedns.is, dns1.icedns.is
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for githubio.org (unsigned zone)
⏱️ Timing
Total: 908ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.icedns.is, dns2.icedns.is |
| MX | 1 | githubio.org (pri: 0) |
| SOA | 1 | dns1.icedns.is root.dns.icedns.is |
Analysis
Mail Server Role
githubio.org handles its own mail, functioning as its own mail server.
Name Servers
DNS delegation for githubio.org points to two name servers: dns1.icedns.is and dns2.icedns.is.
githubio.org shares its NS records with other domains, for example oceanwin168.shop, turtlebard.one, mostere.com and two others.
githubio.org has partial name server overlap with other domains, including bqaf.com.
Each of dns1.icedns.is and dns2.icedns.is has one IP address: dns1.icedns.is uses 82.221.143.41 and dns2.icedns.is uses 82.221.139.80.
Mail Servers
githubio.org is served by just one mail server: githubio.org.