github.is - dns.ninja
github.is
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:e7f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:9f27🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.14.127Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.159.39🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | asa.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3af6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| A | 108.162.192.246🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| A | 172.64.32.246🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| A | 173.245.58.246🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| NS | seamus.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cb8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3b8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23b8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| A | 108.162.195.184🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| A | 162.159.44.184Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| A | 172.64.35.184🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.14.127, 172.67.159.39 | ||||||
| IPv6 hints | 2606:4700:3033::6815:e7f, 2606:4700:3035::ac43:9f27 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=196, name=cloudflare-ech.com | ||||||
| SOA | asa.ns.cloudflare.comdns@cloudflare.com serial=2414768424 | ||||||
is
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.is ⭐ | ||||||
| NS | c.nic.is | ||||||
| NS | d.nic.is | ||||||
| NS | e.nic.is | ||||||
| NS | f.nic.is | ||||||
| SOA | a.nic.ishostmaster@isnic.is serial=1789507802 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSasa.ns.cloudflare.com2026-09-14 → 2026-09-15 · 2 obs
● 2026-09-15 22:06:56
●NSseamus.ns.cloudflare.com2026-09-14 → 2026-09-15 · 2 obs
● 2026-09-15 22:06:56
●A104.21.14.1272026-09-14 → 2026-09-15 · 2 obs
● 2026-09-15 22:06:56
●A172.67.159.392026-09-14 → 2026-09-15 · 2 obs
● 2026-09-15 22:06:56
●A2606:4700:3033::6815:e7f2026-09-14 → 2026-09-15 · 2 obs
● 2026-09-15 22:06:56
●A2606:4700:3035::ac43:9f272026-09-14 → 2026-09-15 · 2 obs
● 2026-09-15 22:06:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | a.nic.is, c.nic.is, d.nic.is, e.nic.is... | 10 records |
| github.is | asa.ns.cloudflare.com, seamus.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.184
NS records: asa.ns.cloudflare.com, seamus.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for github.is (unsigned zone)
⏱️ Timing
Total: 2538ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.159.39, 104.21.14.127 |
| AAAA | 2 | 2606:4700:3035::ac43:9f27, 2606:4700:3033::6815:e7f |
| NS | 2 | asa.ns.cloudflare.com, seamus.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | asa.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (a.nic.is, a.nic.is, c.nic.is...)
Analysis
IP Addresses
github.is has four IP addresses: 104.21.14.127, 172.67.159.39, 2606:4700:3033::6815:e7f and 2606:4700:3035::ac43:9f27.
Two other host names, along with prezinext.de, aise3527.cc and earnengine.live, also share IP numbers with github.is.
Name Servers
github.is is served by two delegated name servers, asa.ns.cloudflare.com and seamus.ns.cloudflare.com.
github.is shares its NS records with other domains, for example gfstarch.com, statzihuai.workers.dev, opexsol.site and two others.
github.is partially shares its NS delegation with several other domains, including web-099bet.com, digmine.fun, dimetry.space and two others.
These name servers are regularly seen alongside gemma.ns.cloudflare.com and ashton.ns.cloudflare.com as name servers.
DNS names with 6 IP addresses:
asa.ns.cloudflare.com carries IP addresses 108.162.192.246, 172.64.32.246 and 173.245.58.246, with 3 other addresses beyond those.
seamus.ns.cloudflare.com carries IP addresses 108.162.195.184, 162.159.44.184 and 172.64.35.184, with 3 other addresses beyond those.