`21f2.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:4b74^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:dece^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.116^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.222.206^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sima.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ade^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sima.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sima.ns.cloudflare.com`
		A	108.162.192.222^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	172.64.32.222^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	173.245.58.222^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
NS	`sterling.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sterling.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sterling.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sterling.ns.cloudflare.com`
		A	108.162.195.143^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sterling.ns.cloudflare.com`
		A	162.159.44.143^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sterling.ns.cloudflare.com`
		A	172.64.35.143^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sterling.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.75.116, 172.67.222.206
		IPv6	2606:4700:3034::6815:4b74, 2606:4700:3034::ac43:dece
SOA	`sima.ns.cloudflare.com`dns@cloudflare.com serial=2397811514

`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=1771291435

Similar names

f122.com.br

f221.com

212f.com.au

212f.wpmudev.host

212f.net

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
21f2.com	sima.ns.cloudflare.com, sterling.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.222

NS records: sima.ns.cloudflare.com, sterling.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21f2.com (unsigned zone)

⏱️ Timing

Total: 301ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.75.116, 172.67.222.206`
AAAA	2	`2606:4700:3034::ac43:dece, 2606:4700:3034::6815:4b74`
NS	2	`sima.ns.cloudflare.com, sterling.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sima.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

21f2.com maps to four IP numbers: 2606:4700:3034::6815:4b74, 2606:4700:3034::ac43:dece, 104.21.75.116 and 172.67.222.206.

Other host names, for instance rsgold.com.tw, s3.ephoto360.com, maquinariaparaenvasado.com, workshopguru.com and winterdrive.com share IP numbers with 21f2.com.

Name Servers

Two name servers sima.ns.cloudflare.com and sterling.ns.cloudflare.com are delegated to 21f2.com.

21f2.com uses the same name server configuration as other domains, such as 8b3e.com, 847c55.com, 2535c5.com, 6d41c2.com and 4bb9.com.

21f2.com at least partially shares name servers with other domains such as sleepy.eu, metauman.com, darumakoi.nl, moabtourismcenter.com and balljad.me.uk.

these name servers are commonly used alongside the name servers kayleigh.ns.cloudflare.com, kyrie.ns.cloudflare.com, sage.ns.cloudflare.com, candy.ns.cloudflare.com and owen.ns.cloudflare.com.

Host names with six IP numbers: Host name sima.ns.cloudflare.com points to 2606:4700:50::adf5:3ade, 2803:f800:50::6ca2:c0de, 2a06:98c1:50::ac40:20de, 108.162.192.222, 172.64.32.222 and 173.245.58.222; host name sterling.ns.cloudflare.com points to 2606:4700:58::a29f:2c8f, 2803:f800:50::6ca2:c38f, 2a06:98c1:50::ac40:238f, 108.162.195.143, 162.159.44.143 and 172.64.35.143.

21f2.com - robtex.com

21f2.com

com