21b2.com - dns.ninja

21b2.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:1472🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:c061🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.20.114Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.97🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgreg.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b73🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgreg.ns.cloudflare.com
A2803:f800:50::6ca2:c173🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgreg.ns.cloudflare.com
A2a06:98c1:50::ac40:2173🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgreg.ns.cloudflare.com
A108.162.193.115🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgreg.ns.cloudflare.com
A172.64.33.115🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgreg.ns.cloudflare.com
A173.245.59.115🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgreg.ns.cloudflare.com
NSkay.ns.cloudflare.com
A2606:4700:50::adf5:3a7d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
A2803:f800:50::6ca2:c07d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkay.ns.cloudflare.com
A2a06:98c1:50::ac40:207d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkay.ns.cloudflare.com
A108.162.192.125🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
A172.64.32.125🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
A173.245.58.125🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.20.114, 172.67.192.97
IPv6 hints2606:4700:3032::6815:1472, 2606:4700:3032::ac43:c061
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOAgreg.ns.cloudflare.comdns@cloudflare.com serial=2408952808

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785793052

Same first word

21b2.com

Similar names

2b12.com
b221.cc
221b.uk
221b.ir
221b.de
1b22.com
221b.pl
12b2.de
221b.ch
221b.jp
221b.science
221b.online
221b.co.za
b221.de
221b.me
212b.cc
b212.com
1b22.net
12b2.com
b122.com
221b.store
221b.ru

DNS History

6 records (6 active, 0 former)

NSgreg.ns.cloudflare.comkay.ns.cloudflare.comA104.21.20.114172.67.192.972606:4700:3032::6815:14722606:4700:3032::ac43:c061
●NSgreg.ns.cloudflare.com2026-07-09 → 2026-08-03 · 2 obs
● 2026-07-09 04:35:02
● 2026-08-03 21:55:02
●NSkay.ns.cloudflare.com2026-07-09 → 2026-08-03 · 2 obs
● 2026-07-09 04:35:02
● 2026-08-03 21:55:02
●A104.21.20.1142026-07-09 → 2026-08-03 · 2 obs
● 2026-07-09 04:35:02
● 2026-08-03 21:55:02
●A172.67.192.972026-07-09 → 2026-08-03 · 2 obs
● 2026-07-09 04:35:02
● 2026-08-03 21:55:02
●A2606:4700:3032::6815:14722026-07-09 → 2026-08-03 · 2 obs
● 2026-07-09 04:35:02
● 2026-08-03 21:55:02
●A2606:4700:3032::ac43:c0612026-07-09 → 2026-08-03 · 2 obs
● 2026-07-09 04:35:02
● 2026-08-03 21:55:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
21b2.comgreg.ns.cloudflare.com, kay.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.115

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21b2.com (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.192.97, 104.21.20.114
AAAA22606:4700:3032::6815:1472, 2606:4700:3032::ac43:c061
NS2greg.ns.cloudflare.com, kay.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1greg.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

21b2.com has four IP addresses: 104.21.20.114, 172.67.192.97, 2606:4700:3032::6815:1472 and 2606:4700:3032::ac43:c061.

Among the host names that share IP numbers with 21b2.com are www.oceanviewresort.com, maxsat.no, projectsd.org and two others.

Name Servers

21b2.com uses two name servers for its delegation: greg.ns.cloudflare.com and kay.ns.cloudflare.com.

21b2.com has the same name server delegation as a number of other domains, such as c3ck.com, 27b7.com, kv59.com and two more.

21b2.com shares at least some of its name servers with other domains, including zimingyl.top, lenouveaureveil.com, thedeepshallowband.com and two others.

These name servers are frequently paired with the name servers trevor.ns.cloudflare.com, adaline.ns.cloudflare.com and eric.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

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.