`century21web.com`

DNSSEC	⚠️ Not signed
A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
		PTR	`aec037177372cc6cd.awsglobalaccelerator.com`
A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
NS	`ns73.domaincontrol.com` ⭐
		A	2603:5:21a4::2f^{🇺🇸 GODADDY-DNS2603:5:21a0::/44}
			PTR	`ns73.domaincontrol.com`
		A	97.74.106.47^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns73.domaincontrol.com`
NS	`ns74.domaincontrol.com`
		A	2603:5:22a4::2f^{🇺🇸 GODADDY-DNS2603:5:22a0::/44}
			PTR	`ns74.domaincontrol.com`
		A	173.201.74.47^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns74.domaincontrol.com`
MX	`century21web-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr21cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f90a::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr02cu00300.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.9.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr02cu00100.inbound.protection.outlook.com`
		A	52.101.41.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01702.inbound.protection.outlook.com`
		A	52.101.194.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
TXT	`v=spf1 include:secureserver.net -all`
TXT	`NETORG7739803.onmicrosoft.com`
SOA	`ns73.domaincontrol.com`dns@jomax.net 2026-07-07 #3

`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=1784068792

Same first word

century21web.com

century21web.jp

Similar names

21centuryweb.com

DNS History

18 records (5 active, 13 former)

○NSlara.ns.cloudflare.com2016-03-02 → 2018-12-11 · 5 obs

○ 2015-11-17 23:00:02
● 2016-03-02 14:04:40
● 2018-12-11 21:21:50
○ 2026-04-21 13:34:50
○ 2026-07-14 22:47:56

○NSnoah.ns.cloudflare.com2016-03-02 → 2018-12-11 · 5 obs

○ 2015-11-17 23:00:02
● 2016-03-02 14:04:40
● 2018-12-11 21:21:50
○ 2026-04-21 13:34:50
○ 2026-07-14 22:47:56

●NSns73.domaincontrol.com2026-04-21 → 2026-07-14 · 3 obs

○ 2018-12-11 21:21:50
● 2026-04-21 13:34:50
● 2026-07-14 22:47:56

●NSns74.domaincontrol.com2026-04-21 → 2026-07-14 · 3 obs

○ 2018-12-11 21:21:50
● 2026-04-21 13:34:50
● 2026-07-14 22:47:56

○NSns75.domaincontrol.com2015-11-17 → 2015-11-17 · 3 obs

● 2015-11-17 23:00:02
○ 2016-03-02 14:04:40
○ 2026-07-14 22:47:56

○NSns76.domaincontrol.com2015-11-17 → 2015-11-17 · 3 obs

● 2015-11-17 23:00:02
○ 2016-03-02 14:04:40
○ 2026-07-14 22:47:56

●MXcentury21web-com.mail.protection.outlook.com2026-04-21 → 2026-07-14 · 3 obs

○ 2018-12-11 21:21:50
● 2026-04-21 13:34:50
● 2026-07-14 22:47:56

○MXmailstore1.secureserver.net2015-11-17 → 2018-12-11 · 6 obs

● 2015-11-17 23:00:02
○ 2016-03-02 14:04:40
○ 2017-02-19 06:11:56
● 2018-12-11 21:21:50
○ 2026-04-21 13:34:50
○ 2026-07-14 22:47:56

○MXsmtp.secureserver.net2015-11-17 → 2018-12-11 · 6 obs

● 2015-11-17 23:00:02
○ 2016-03-02 14:04:40
○ 2017-02-19 06:11:56
● 2018-12-11 21:21:50
○ 2026-04-21 13:34:50
○ 2026-07-14 22:47:56

○A104.24.102.1772016-03-02 → 2018-12-11 · 5 obs

○ 2015-11-17 23:00:02
● 2016-03-02 14:04:40
● 2018-12-11 21:21:50
○ 2026-04-21 13:34:50
○ 2026-07-14 22:47:56

○A104.24.103.1772016-03-02 → 2018-12-11 · 5 obs

○ 2015-11-17 23:00:02
● 2016-03-02 14:04:40
● 2018-12-11 21:21:50
○ 2026-04-21 13:34:50
○ 2026-07-14 22:47:56

●A15.197.225.1282026-04-21 → 2026-07-14 · 3 obs

○ 2018-12-11 21:21:50
● 2026-04-21 13:34:50
● 2026-07-14 22:47:56

○A184.168.221.272015-11-17 → 2015-11-17 · 3 obs

● 2015-11-17 23:00:02
○ 2016-03-02 14:04:40
○ 2026-07-14 22:47:56

○A2400:cb00:2048:1::6818:66b12017-02-19 → 2017-02-19 · 4 obs

○ 2016-03-02 14:04:40
● 2017-02-19 06:11:56
○ 2018-12-11 21:21:50
○ 2026-07-14 22:47:56

○A2400:cb00:2048:1::6818:67b12017-02-19 → 2017-02-19 · 4 obs

○ 2016-03-02 14:04:40
● 2017-02-19 06:11:56
○ 2018-12-11 21:21:50
○ 2026-07-14 22:47:56

○A2606:4700:30::6818:66b12018-12-11 → 2018-12-11 · 4 obs

○ 2017-02-19 06:11:56
● 2018-12-11 21:21:50
○ 2026-04-21 13:34:50
○ 2026-07-14 22:47:56

○A2606:4700:30::6818:67b12018-12-11 → 2018-12-11 · 4 obs

○ 2017-02-19 06:11:56
● 2018-12-11 21:21:50
○ 2026-04-21 13:34:50
○ 2026-07-14 22:47:56

●A3.33.251.1682026-04-21 → 2026-07-14 · 3 obs

○ 2018-12-11 21:21:50
● 2026-04-21 13:34:50
● 2026-07-14 22:47:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
century21web.com	ns73.domaincontrol.com, ns74.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.106.47

NS records: ns73.domaincontrol.com, ns74.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for century21web.com (unsigned zone)

⏱️ Timing

Total: 91ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.225.128, 3.33.251.168`
NS	2	`ns74.domaincontrol.com, ns73.domaincontrol.com`
MX	1	`century21web-com.mail.protection.outlook`
TXT	2	`v=spf1 include:secureserver.net -all, NETORG7739803.onmicrosoft.com`
SOA	1	`ns73.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns73.domaincontrol.com, ns73.domaincontrol.com, ns74.domaincontrol.com...)

Analysis

IP Addresses

century21web.com resolves to the IP addresses 3.33.251.168 and 15.197.225.128

txra.net, toon-it-up.com, obxwellnessstudio.com and two other host names share IP numbers with century21web.com.

Name Servers

century21web.com has two authoritative name servers — ns73.domaincontrol.com and ns74.domaincontrol.com.

century21web.com uses the same name servers as several other domains — among them shhf.biz, wavelengthwetsuits.com.au, northcarolinanursinghomes.org and two more.

Both ns73.domaincontrol.com and ns74.domaincontrol.com have two IP addresses each. ns73.domaincontrol.com resolves to 97.74.106.47 and 2603:5:21a4::2f; ns74.domaincontrol.com resolves to 173.201.74.47 and 2603:5:22a4::2f.

Mail Servers

Mail for century21web.com is handled by a single mail server, century21web-com.mail.protection.outlook.com.

century21web-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.8.51, 52.101.9.0, 52.101.41.26 and 5 others.

century21web.com - robtex.com