`century21refi.com`

DNSSEC	⚠️ Not signed
A	3.21.30.236^{🇺🇸 Amazon3.20.0.0/14 EC2 CMH prefix}
		PTR	`ec2-3-21-30-236.us-east-2.compute.amazonaws.com`
A	3.138.52.249^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
NS	`ns-1205.awsdns-22.org` ⭐
		A	2600:9000:5304:b500::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1205.awsdns-22.org`
		A	205.251.196.181^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1205.awsdns-22.org`
NS	`ns-1655.awsdns-14.co.uk`
		A	2600:9000:5306:7700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1655.awsdns-14.co.uk`
		A	205.251.198.119^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1655.awsdns-14.co.uk`
NS	`ns-273.awsdns-34.com`
		A	2600:9000:5301:1100::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-273.awsdns-34.com`
		A	205.251.193.17^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-273.awsdns-34.com`
NS	`ns-764.awsdns-31.net`
		A	2600:9000:5302:fc00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-764.awsdns-31.net`
		A	205.251.194.252^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-764.awsdns-31.net`
SOA	`ns-1205.awsdns-22.org`awsdns-hostmaster@amazon.com serial=1

`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=1778434076

Same first word

century21refi.com

DNS History

12 records (6 active, 6 former)

●NSns-1205.awsdns-22.org2020-01-31 → 2026-05-10 · 3 obs

○ 2017-03-17 16:42:56
● 2020-01-31 15:37:58
● 2026-05-10 17:34:08

●NSns-1655.awsdns-14.co.uk2020-01-31 → 2026-05-10 · 3 obs

○ 2017-03-17 16:42:56
● 2020-01-31 15:37:58
● 2026-05-10 17:34:08

●NSns-273.awsdns-34.com2020-01-31 → 2026-05-10 · 3 obs

○ 2017-03-17 16:42:56
● 2020-01-31 15:37:58
● 2026-05-10 17:34:08

●NSns-764.awsdns-31.net2020-01-31 → 2026-05-10 · 3 obs

○ 2017-03-17 16:42:56
● 2020-01-31 15:37:58
● 2026-05-10 17:34:08

○NSns1.savvis.net2015-08-16 → 2017-03-17 · 4 obs

● 2015-08-16 11:14:18
● 2017-03-17 16:42:56
○ 2020-01-31 15:37:58
○ 2026-05-10 17:34:08

○NSns2.savvis.net2015-08-16 → 2017-03-17 · 4 obs

● 2015-08-16 11:14:18
● 2017-03-17 16:42:56
○ 2020-01-31 15:37:58
○ 2026-05-10 17:34:08

○NSns3.savvis.net2015-08-16 → 2017-03-17 · 4 obs

● 2015-08-16 11:14:18
● 2017-03-17 16:42:56
○ 2020-01-31 15:37:58
○ 2026-05-10 17:34:08

○A3.13.43.1382020-01-31 → 2020-01-31 · 3 obs

● 2020-01-31 15:37:58
○ 2026-05-05 12:22:16
○ 2026-05-10 17:34:08

●A3.138.52.2492026-05-05 → 2026-05-10 · 3 obs

○ 2020-01-31 15:37:58
● 2026-05-05 12:22:16
● 2026-05-10 17:34:08

○A3.14.0.622020-01-31 → 2020-01-31 · 3 obs

● 2020-01-31 15:37:58
○ 2026-05-05 12:22:16
○ 2026-05-10 17:34:08

●A3.21.30.2362026-05-08 → 2026-05-10 · 3 obs

○ 2026-05-05 12:22:16
● 2026-05-08 07:40:08
● 2026-05-10 17:34:08

○A3.23.162.842026-05-05 → 2026-05-05 · 4 obs

○ 2020-01-31 15:37:58
● 2026-05-05 12:22:16
○ 2026-05-08 07:40:08
○ 2026-05-10 17:34:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
century21refi.com	ns-273.awsdns-34.com, ns-764.awsdns-31.net, ns-1205.awsdns-22.org, ns-1655.awsdns-14.co.uk	2 records

✅ Authoritative Response

Server:205.251.193.17

NS records: ns-273.awsdns-34.com, ns-764.awsdns-31.net, ns-1205.awsdns-22.org, ns-1655.awsdns-14.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for century21refi.com (unsigned zone)

⏱️ Timing

Total: 453ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.21.30.236, 3.138.52.249`
NS	4	`ns-1205.awsdns-22.org, ns-1655.awsdns-14.co.uk...`
SOA	1	`ns-1205.awsdns-22.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-273.awsdns-34.com, ns-273.awsdns-34.com)

Analysis

IP Addresses

century21refi.com resolves to two IPs: 3.21.30.236 and 3.138.52.249.

other host names for instance century23realty.com, century21forsalebyowner.net, c21smoothmove.com, century21southcarolina.com and century21iowa.com share IP numbers with century21refi.com.

Name Servers

century21refi.com is delegated to four name servers: ns-273.awsdns-34.com, ns-764.awsdns-31.net, ns-1205.awsdns-22.org and ns-1655.awsdns-14.co.uk.

century21refi.com at least partially shares name servers with other domains, for instance denox.com.br, dol6gazma0zta.cloudfront.net, esenciaretro.com.ar, pastebin.name and ferrysavers.pl.

Host names with two IP numbers:

Host name ns-273.awsdns-34.com points to: 2600:9000:5301:1100::1 and 205.251.193.17.

Host name ns-764.awsdns-31.net points to: 2600:9000:5302:fc00::1 and 205.251.194.252.

Host name ns-1205.awsdns-22.org points to: 2600:9000:5304:b500::1 and 205.251.196.181.

Host name ns-1655.awsdns-14.co.uk points to: 2600:9000:5306:7700::1 and 205.251.198.119.

century21refi.com - robtex.com