github20k.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`github20k.com`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`cheryl.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c053^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cheryl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2053^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cheryl.ns.cloudflare.com`
		A	108.162.192.83^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	172.64.32.83^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	173.245.58.83^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
NS	`nicolas.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c354^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nicolas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2354^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nicolas.ns.cloudflare.com`
		A	108.162.195.84^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	162.159.44.84^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	172.64.35.84^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c29::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`facebook-domain-verification=y012f4za5h4uun4kj6z1z617x6w1vc`
TXT	`google-site-verification=JAA7fjPBNr6kswzFHrie8JcptsCdJByg38Ty49rpfs0`
TXT	`google-site-verification=KUYtDxX5G7Z8HCG5E78OtUA-5gfGEa0udKyp8LqyLsQ`
TXT	`v=spf1 include:_spf.google.com -all`
SOA	`cheryl.ns.cloudflare.com`dns@cloudflare.com serial=2413871704

`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.net`nstld@verisign-grs.com serial=1788637893

Same first word

github20k.com

Previous names

Next names

DNS History

8 records (8 active, 0 former)

●NScheryl.ns.cloudflare.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 02:30:20
● 2026-09-05 20:02:38

●NSnicolas.ns.cloudflare.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 02:30:20
● 2026-09-05 20:02:38

●MXalt1.aspmx.l.google.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 02:30:20
● 2026-09-05 20:02:38

●MXalt2.aspmx.l.google.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 02:30:20
● 2026-09-05 20:02:38

●MXalt3.aspmx.l.google.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 02:30:20
● 2026-09-05 20:02:38

●MXalt4.aspmx.l.google.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 02:30:20
● 2026-09-05 20:02:38

●MXaspmx.l.google.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 02:30:20
● 2026-09-05 20:02:38

●A76.76.21.212026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 02:30:20
● 2026-09-05 20:02:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
github20k.com	cheryl.ns.cloudflare.com, nicolas.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.83

NS records: cheryl.ns.cloudflare.com, nicolas.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for github20k.com (unsigned zone)

⏱️ Timing

Total: 468ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`cheryl.ns.cloudflare.com, nicolas.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`facebook-domain-verification=y012f4za5h4, google-site-verification=JAA7fjPBNr6kswz...`
SOA	1	`cheryl.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (cheryl.ns.cloudflare.com, cheryl.ns.cloudflare.com, cheryl.ns.cloudflare.com...)

Analysis

IP Addresses

github20k.com resolves to one IP address: 76.76.21.21.

kentajans.com, bracevilleplumbers.com, xn--80aklghdcdisvhz3le.xn--p1ai and two other host names share IP numbers with github20k.com.

Name Servers

github20k.com is delegated to two name servers: cheryl.ns.cloudflare.com and nicolas.ns.cloudflare.com.

github20k.com uses the same name servers as several other domains — among them o07bjnocfiqi.workers.dev, omidmahjuori.workers.dev, solvaracare-grok-tpmedical.pages.dev and two more.

github20k.com has at least partial name server overlap with other domains, such as wisentech.com.br, cosmomcinfra.com, pakninger.dk and two others.

It is common to see these name servers used together with name servers logan.ns.cloudflare.com and glen.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

cheryl.ns.cloudflare.com resolves to 108.162.192.83, 172.64.32.83, 173.245.58.83 and 3 other IP addresses.

nicolas.ns.cloudflare.com resolves to 108.162.195.84, 162.159.44.84, 172.64.35.84 and 3 other IP addresses.

Mail Servers

github20k.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

github20k.com has at least partial mail server overlap with other domains such as givaliclothing.com, fsmcompany.com, thepr.network and two more.

The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com points to 192.178.155.27 and 2607:f8b0:4004:c29::1b.

alt1.aspmx.l.google.com points to 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1a.