21mark.com - dns.ninja

21mark.com

DNSSEC⚠️ Not signed
A198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
NSns-cloud-a1.googledomains.com ⭐
A2001:4860:4802:32::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a1.googledomains.com
A216.239.32.106🇺🇸 Google216.239.32.0/24
PTRns-cloud-a1.googledomains.com
NSns-cloud-a2.googledomains.com
A2001:4860:4802:34::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a2.googledomains.com
A216.239.34.106🇺🇸 Google216.239.34.0/24
PTRns-cloud-a2.googledomains.com
NSns-cloud-a3.googledomains.com
A2001:4860:4802:36::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a3.googledomains.com
A216.239.36.106🇺🇸 Google216.239.36.0/24
PTRns-cloud-a3.googledomains.com
NSns-cloud-a4.googledomains.com
A2001:4860:4802:38::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a4.googledomains.com
A216.239.38.106🇺🇸 Google216.239.38.0/24
PTRns-cloud-a4.googledomains.com
SOAns-cloud-a1.googledomains.comcloud-dns-hostmaster@google.com serial=6

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=1784269047

Same first word

21mark.com

DNS History

19 records (5 active, 14 former)

20162017201820192020202120222023202420252026NSns-cloud-a1.googledomains.comns-cloud-a2.googledomains.comns-cloud-a3.googledomains.comns-cloud-a4.googledomains.comns1.myhostadmin.netns31.domaincontrol.comns32.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA198.49.23.144184.168.221.73184.168.221.76184.168.221.8050.63.202.4150.63.202.6750.63.202.8250.63.202.8550.63.202.8850.63.202.94
●NSns-cloud-a1.googledomains.com2026-02-16 → 2026-07-17 · 3 obs
○ 2018-06-13 20:47:28
● 2026-02-16 11:00:14
● 2026-07-17 06:47:38
●NSns-cloud-a2.googledomains.com2026-02-16 → 2026-07-17 · 3 obs
○ 2018-06-13 20:47:28
● 2026-02-16 11:00:14
● 2026-07-17 06:47:38
●NSns-cloud-a3.googledomains.com2026-02-16 → 2026-07-17 · 3 obs
○ 2018-06-13 20:47:28
● 2026-02-16 11:00:14
● 2026-07-17 06:47:38
●NSns-cloud-a4.googledomains.com2026-02-16 → 2026-07-17 · 3 obs
○ 2018-06-13 20:47:28
● 2026-02-16 11:00:14
● 2026-07-17 06:47:38
○NSns1.myhostadmin.net2015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 21:13:54
○ 2015-11-17 08:40:30
○ 2026-07-17 06:47:38
○NSns31.domaincontrol.com2016-05-09 → 2018-06-13 · 5 obs
○ 2015-11-17 08:40:30
● 2016-05-09 20:51:30
● 2018-06-13 20:47:28
○ 2026-02-16 11:00:14
○ 2026-07-17 06:47:38
○NSns32.domaincontrol.com2016-05-09 → 2018-06-13 · 5 obs
○ 2015-11-17 08:40:30
● 2016-05-09 20:51:30
● 2018-06-13 20:47:28
○ 2026-02-16 11:00:14
○ 2026-07-17 06:47:38
○MXmailstore1.secureserver.net2016-05-09 → 2017-02-01 · 4 obs
● 2016-05-09 20:51:30
● 2017-02-01 13:58:40
○ 2018-06-13 20:47:28
○ 2026-07-17 06:47:38
○MXsmtp.secureserver.net2016-05-09 → 2017-02-01 · 4 obs
● 2016-05-09 20:51:30
● 2017-02-01 13:58:40
○ 2018-06-13 20:47:28
○ 2026-07-17 06:47:38
○A184.168.221.732018-06-13 → 2018-06-13 · 4 obs
○ 2017-02-01 13:58:40
● 2018-06-13 20:47:28
○ 2026-02-16 11:00:14
○ 2026-07-17 06:47:38
○A184.168.221.762018-06-13 → 2018-06-13 · 4 obs
○ 2017-02-01 13:58:40
● 2018-06-13 20:47:28
○ 2026-02-16 11:00:14
○ 2026-07-17 06:47:38
○A184.168.221.802018-06-13 → 2018-06-13 · 4 obs
○ 2017-02-01 13:58:40
● 2018-06-13 20:47:28
○ 2026-02-16 11:00:14
○ 2026-07-17 06:47:38
●A198.49.23.1442026-02-16 → 2026-07-17 · 3 obs
○ 2018-06-13 20:47:28
● 2026-02-16 11:00:14
● 2026-07-17 06:47:38
○A50.63.202.412016-05-09 → 2017-02-01 · 4 obs
● 2016-05-09 20:51:30
● 2017-02-01 13:58:40
○ 2018-06-13 20:47:28
○ 2026-07-17 06:47:38
○A50.63.202.672018-06-13 → 2018-06-13 · 4 obs
○ 2017-02-01 13:58:40
● 2018-06-13 20:47:28
○ 2026-02-16 11:00:14
○ 2026-07-17 06:47:38
○A50.63.202.822018-06-13 → 2018-06-13 · 4 obs
○ 2017-02-01 13:58:40
● 2018-06-13 20:47:28
○ 2026-02-16 11:00:14
○ 2026-07-17 06:47:38
○A50.63.202.852018-06-13 → 2018-06-13 · 4 obs
○ 2017-02-01 13:58:40
● 2018-06-13 20:47:28
○ 2026-02-16 11:00:14
○ 2026-07-17 06:47:38
○A50.63.202.882018-06-13 → 2018-06-13 · 4 obs
○ 2017-02-01 13:58:40
● 2018-06-13 20:47:28
○ 2026-02-16 11:00:14
○ 2026-07-17 06:47:38
○A50.63.202.942018-06-13 → 2018-06-13 · 4 obs
○ 2017-02-01 13:58:40
● 2018-06-13 20:47:28
○ 2026-02-16 11:00:14
○ 2026-07-17 06:47:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
21mark.comns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com8 records

✅ Authoritative Response

Server:216.239.36.106

NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 534ms | Queries: -

📄 Records

TypeCountSample Data
A1198.49.23.144
NS4ns-cloud-a3.googledomains.com, ns-cloud-a1.googledomains.com...
SOA1ns-cloud-a1.googledomains.com cloud-dns-

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)

Analysis

IP Addresses

21mark.com resolves to just one IP address, 198.49.23.144.

Two other host names, along with renewfitnessusa.com, humansinsystems.com and itsthebowlings.com, also share IP numbers with 21mark.com.

Name Servers

The NS records for 21mark.com point to four name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.

21mark.com has at least partial name server overlap with other domains, such as wheatleyparkschool.com, rightlab.net, rlconstructionservices.com and two others.

ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com all point to exactly two IP numbers each: ns-cloud-a1.googledomains.com → 216.239.32.106 and 2001:4860:4802:32::6a; ns-cloud-a2.googledomains.com → 216.239.34.106 and 2001:4860:4802:34::6a; ns-cloud-a3.googledomains.com → 216.239.36.106 and 2001:4860:4802:36::6a; ns-cloud-a4.googledomains.com → 216.239.38.106 and 2001:4860:4802:38::6a.