21c2.com - dns.ninja

`21c2.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9b82^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:590d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.13^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.130^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`greg.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b73^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c173^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`greg.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2173^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`greg.ns.cloudflare.com`
		A	108.162.193.115^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	172.64.33.115^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	173.245.59.115^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
NS	`kay.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kay.ns.cloudflare.com`
		A	108.162.192.125^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	172.64.32.125^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	173.245.58.125^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.13, 172.67.155.130
		IPv6 hints	2606:4700:3030::ac43:9b82, 2606:4700:3035::6815:590d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOA	`greg.ns.cloudflare.com`dns@cloudflare.com serial=2405391268

`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=1783239616

Same first word

21c2.com

Similar names

c122.top

c212.cc

c212.net

212c.cc

c221.com

212c.com

122c.com

c221.cn

c122.com

1c22.org

1c22.com

c122.de

DNS History

16 records (6 active, 10 former)

○NSdns10.hichina.com2015-11-17 → 2016-09-26 · 4 obs

● 2015-11-17 21:17:30
● 2016-09-26 14:59:40
○ 2026-03-09 07:28:50
○ 2026-07-05 08:28:28

○NSdns9.hichina.com2015-11-17 → 2016-09-26 · 4 obs

● 2015-11-17 21:17:30
● 2016-09-26 14:59:40
○ 2026-03-09 07:28:50
○ 2026-07-05 08:28:28

●NSgreg.ns.cloudflare.com2026-03-09 → 2026-07-05 · 3 obs

○ 2016-09-26 14:59:40
● 2026-03-09 07:28:50
● 2026-07-05 08:28:28

●NSkay.ns.cloudflare.com2026-03-09 → 2026-07-05 · 3 obs

○ 2016-09-26 14:59:40
● 2026-03-09 07:28:50
● 2026-07-05 08:28:28

●A104.21.89.132026-03-09 → 2026-07-05 · 3 obs

○ 2016-09-26 14:59:40
● 2026-03-09 07:28:50
● 2026-07-05 08:28:28

○A118.193.170.712016-04-12 → 2016-04-12 · 4 obs

○ 2016-02-11 04:58:52
● 2016-04-12 16:54:20
○ 2016-09-26 14:59:40
○ 2026-07-05 08:28:28

○A118.193.233.1262016-04-12 → 2016-04-12 · 4 obs

○ 2016-02-11 04:58:52
● 2016-04-12 16:54:20
○ 2016-09-26 14:59:40
○ 2026-07-05 08:28:28

○A118.193.250.112016-04-12 → 2016-04-12 · 4 obs

○ 2016-02-11 04:58:52
● 2016-04-12 16:54:20
○ 2016-09-26 14:59:40
○ 2026-07-05 08:28:28

●A172.67.155.1302026-03-09 → 2026-07-05 · 3 obs

○ 2016-09-26 14:59:40
● 2026-03-09 07:28:50
● 2026-07-05 08:28:28

○A211.144.85.1632015-11-17 → 2015-11-17 · 3 obs

● 2015-11-17 21:17:30
○ 2016-02-11 04:58:52
○ 2026-07-05 08:28:28

●A2606:4700:3030::ac43:9b822026-07-03 → 2026-07-05 · 3 obs

○ 2026-06-11 09:57:32
● 2026-07-03 04:56:58
● 2026-07-05 08:28:28

○A2606:4700:3033::6815:590d2026-03-09 → 2026-06-11 · 5 obs

○ 2016-09-26 14:59:40
● 2026-03-09 07:28:50
● 2026-06-11 09:57:32
○ 2026-07-03 04:56:58
○ 2026-07-05 08:28:28

●A2606:4700:3035::6815:590d2026-07-03 → 2026-07-05 · 3 obs

○ 2026-06-11 09:57:32
● 2026-07-03 04:56:58
● 2026-07-05 08:28:28

○A2606:4700:3036::ac43:9b822026-03-09 → 2026-06-11 · 5 obs

○ 2016-09-26 14:59:40
● 2026-03-09 07:28:50
● 2026-06-11 09:57:32
○ 2026-07-03 04:56:58
○ 2026-07-05 08:28:28

○A42.200.35.1742016-02-11 → 2016-02-11 · 4 obs

○ 2015-11-17 21:17:30
● 2016-02-11 04:58:52
○ 2016-04-12 16:54:20
○ 2026-07-05 08:28:28

○CNAMEdns.zhanh.com2015-11-17 → 2016-04-12 · 4 obs

● 2015-11-17 21:17:30
● 2016-04-12 16:54:20
○ 2016-09-26 14:59:40
○ 2026-07-05 08:28:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net...	-
21c2.com	greg.ns.cloudflare.com, kay.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.125

NS records: greg.ns.cloudflare.com, kay.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21c2.com (unsigned zone)

⏱️ Timing

Total: 200ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.155.130, 104.21.89.13`
AAAA	2	`2606:4700:3030::ac43:9b82, 2606:4700:3035::6815:590d`
NS	2	`greg.ns.cloudflare.com, kay.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`greg.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

21c2.com has four IP addresses: 104.21.89.13, 172.67.155.130, 2606:4700:3030::ac43:9b82 and 2606:4700:3035::6815:590d.

Two other host names, along with fxddtrading.com.cdn.cloudflare.net, www.fxddtrading.com.cdn.cloudflare.net and backit.in, also share IP numbers with 21c2.com.

Name Servers

21c2.com uses two name servers for its delegation: greg.ns.cloudflare.com and kay.ns.cloudflare.com.

21c2.com shares its NS records with other domains, for example 27b7.com, kv59.com, boardroomtv.com and two others.

21c2.com partially shares its NS delegation with several other domains, including sockitsolutions.com, neuron.cx, mjshah.com and two others.

These name servers are regularly seen alongside dana.ns.cloudflare.com and adaline.ns.cloudflare.com as name servers.

DNS names with 6 IP addresses:

Hostname greg.ns.cloudflare.com directs to 108.162.193.115, 172.64.33.115 and 173.245.59.115 along with 3 other IP addresses.

Hostname kay.ns.cloudflare.com directs to 108.162.192.125, 172.64.32.125 and 173.245.58.125 along with 3 other IP addresses.