github.is - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

github.is

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:e7f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:9f27🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.127Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.159.39🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSasa.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3af6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
A2803:f800:50::6ca2:c0f6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRasa.ns.cloudflare.com
A2a06:98c1:50::ac40:20f6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRasa.ns.cloudflare.com
A108.162.192.246🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
A172.64.32.246🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
A173.245.58.246🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
NSseamus.ns.cloudflare.com
A2606:4700:58::a29f:2cb8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseamus.ns.cloudflare.com
A2803:f800:50::6ca2:c3b8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRseamus.ns.cloudflare.com
A2a06:98c1:50::ac40:23b8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRseamus.ns.cloudflare.com
A108.162.195.184🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseamus.ns.cloudflare.com
A162.159.44.184Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseamus.ns.cloudflare.com
A172.64.35.184🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseamus.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.127, 172.67.159.39
IPv6 hints2606:4700:3033::6815:e7f, 2606:4700:3035::ac43:9f27
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=118, name=cloudflare-ech.com
SOAasa.ns.cloudflare.comdns@cloudflare.com serial=2414768424

is

DNSSEC🔒 Signed (DS record present)
NSa.nic.is ⭐
NSc.nic.is
NSd.nic.is
NSe.nic.is
NSf.nic.is
SOAa.nic.ishostmaster@isnic.is serial=1789596602

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DNS History

6 records (6 active, 0 former)

NSasa.ns.cloudflare.comseamus.ns.cloudflare.comA104.21.14.127172.67.159.392606:4700:3033::6815:e7f2606:4700:3035::ac43:9f27
●NSasa.ns.cloudflare.com2026-09-14 → 2026-09-16 · 2 obs
● 2026-09-14 01:03:22
● 2026-09-16 22:57:44
●NSseamus.ns.cloudflare.com2026-09-14 → 2026-09-16 · 2 obs
● 2026-09-14 01:03:22
● 2026-09-16 22:57:44
●A104.21.14.1272026-09-14 → 2026-09-16 · 2 obs
● 2026-09-14 01:03:22
● 2026-09-16 22:57:44
●A172.67.159.392026-09-14 → 2026-09-16 · 2 obs
● 2026-09-14 01:03:22
● 2026-09-16 22:57:44
●A2606:4700:3033::6815:e7f2026-09-14 → 2026-09-16 · 2 obs
● 2026-09-14 01:03:22
● 2026-09-16 22:57:44
●A2606:4700:3035::ac43:9f272026-09-14 → 2026-09-16 · 2 obs
● 2026-09-14 01:03:22
● 2026-09-16 22:57:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
isa.nic.is, c.nic.is, d.nic.is, e.nic.is...10 records
github.isasa.ns.cloudflare.com, seamus.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.246

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: 1989ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.14.127, 172.67.159.39
AAAA22606:4700:3033::6815:e7f, 2606:4700:3035::ac43:9f27
NS2asa.ns.cloudflare.com, seamus.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1asa.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (a.nic.is, c.nic.is, d.nic.is...)

Analysis

IP Addresses

github.is resolves to four IP addresses: 104.21.14.127, 172.67.159.39, 2606:4700:3033::6815:e7f and 2606:4700:3035::ac43:9f27.

prezinext.de, aise3527.cc, earnengine.live and two other host names share IP numbers with github.is.

Name Servers

The NS records for github.is delegate to asa.ns.cloudflare.com and seamus.ns.cloudflare.com.

github.is uses the same name servers as several other domains — among them gfstarch.com, statzihuai.workers.dev, opexsol.site and two more.

github.is partially shares its NS delegation with several other domains, including web-099bet.com, digmine.fun, starterapp.click and two others.

These name servers are regularly seen alongside gemma.ns.cloudflare.com and ashton.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

asa.ns.cloudflare.com maps to 108.162.192.246, 172.64.32.246, 173.245.58.246 and 3 additional IP addresses.

seamus.ns.cloudflare.com maps to 108.162.195.184, 162.159.44.184, 172.64.35.184 and 3 additional IP addresses.