github-us.com - dns.ninja
github-us.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a12.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b12.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1788704390 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1789377818 | ||||||
Same first word
github-us.com |
github-us.ph |
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSa.share-dns.com2026-09-09 → 2026-09-14 · 2 obs
● 2026-09-14 09:46:42
●NSa12.share-dns.com2026-09-09 → 2026-09-14 · 2 obs
● 2026-09-14 09:46:42
●NSb.share-dns.net2026-09-09 → 2026-09-14 · 2 obs
● 2026-09-14 09:46:42
●NSb12.share-dns.net2026-09-09 → 2026-09-14 · 2 obs
● 2026-09-14 09:46:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| github-us.com | b12.share-dns.net, a12.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: b12.share-dns.net, a12.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for github-us.com (unsigned zone)
⏱️ Timing
Total: 425ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a12.share-dns.com)
Analysis
Name Servers
The authoritative name servers for github-us.com are a12.share-dns.com, a.share-dns.com, b12.share-dns.net and b.share-dns.net.
At least some of github-us.com's name servers are shared with other domains, for example whcwdl.com, m7x92q.com, 966866.net and two more.
These name servers tend to co-occur with a5.share-dns.com, b5.share-dns.net, a4.share-dns.com and 7 other name servers in the same DNS delegations.
Four host names each point to one IP address: a12.share-dns.com and a.share-dns.com both point to 172.64.53.25, and b12.share-dns.net and b.share-dns.net both point to 172.64.52.239.
Both a12.share-dns.com and a.share-dns.com resolve to 172.64.53.25 IP addresses each.
Both b12.share-dns.net and b.share-dns.net resolve to 172.64.52.239 IP addresses each.