century21ws.com - robtex.com

century21ws.com

DNSSEC⚠️ Not signed
A76.223.5.249🇺🇸 Amazon76.223.0.0/20
PTRa2391dc0304a99e02.awsglobalaccelerator.com
A166.117.1.52🇺🇸 Amazon166.117.0.0/20
NSns-1626.awsdns-11.co.uk ⭐
A2600:9000:5306:5a00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1626.awsdns-11.co.uk
A205.251.198.90🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1626.awsdns-11.co.uk
NSns-105.awsdns-13.com
A2600:9000:5300:6900::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-105.awsdns-13.com
A205.251.192.105🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-105.awsdns-13.com
NSns-1368.awsdns-43.org
A2600:9000:5305:5800::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1368.awsdns-43.org
A205.251.197.88🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1368.awsdns-43.org
NSns-708.awsdns-24.ne ⚠️ Not in zone NS records
NSns-708.awsdns-24.net ⚠️ Not in parent delegation
A2600:9000:5302:c400::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-708.awsdns-24.net
A205.251.194.196🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-708.awsdns-24.net
SOAns-1626.awsdns-11.co.ukawsdns-hostmaster@amazon.com serial=1

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=1778544541

Same first word

century21ws.com

DNS History

16 records (7 active, 9 former)

2008201020122014201620182020202220242026NSns-105.awsdns-13.comns-1368.awsdns-43.orgns-1626.awsdns-11.co.ukns-708.awsdns-24.nens-708.awsdns-24.netns2.ppi.netns51.worldnic.comns52.worldnic.comnsa.ppi.netMXimg10u.ppi.netimg20u.ppi.netp.webcom.ctmail.comA166.117.1.5276.223.5.249205.178.189.13170.168.42.90
●NSns-105.awsdns-13.com2026-05-05 → 2026-05-12 · 3 obs
○ 2018-08-19 11:42:24
● 2026-05-05 12:28:14
● 2026-05-12 00:21:06
●NSns-1368.awsdns-43.org2026-05-05 → 2026-05-12 · 3 obs
○ 2018-08-19 11:42:24
● 2026-05-05 12:28:14
● 2026-05-12 00:21:06
●NSns-1626.awsdns-11.co.uk2026-05-05 → 2026-05-12 · 3 obs
○ 2018-08-19 11:42:24
● 2026-05-05 12:28:14
● 2026-05-12 00:21:06
●NSns-708.awsdns-24.ne2026-05-05 → 2026-05-12 · 3 obs
○ 2018-08-19 11:42:24
● 2026-05-05 12:28:14
● 2026-05-12 00:21:06
●NSns-708.awsdns-24.net2026-05-05 → 2026-05-12 · 3 obs
○ 2018-08-19 11:42:24
● 2026-05-05 12:28:14
● 2026-05-12 00:21:06
○NSns2.ppi.net2007-10-28 → 2007-10-28 · 3 obs
● 2007-10-28 14:51:02
○ 2015-06-04 21:51:14
○ 2026-05-12 00:21:06
○NSns51.worldnic.com2015-06-04 → 2018-08-19 · 5 obs
○ 2007-10-28 14:51:02
● 2015-06-04 21:51:14
● 2018-08-19 11:42:24
○ 2026-05-05 12:28:14
○ 2026-05-12 00:21:06
○NSns52.worldnic.com2015-06-04 → 2018-08-19 · 5 obs
○ 2007-10-28 14:51:02
● 2015-06-04 21:51:14
● 2018-08-19 11:42:24
○ 2026-05-05 12:28:14
○ 2026-05-12 00:21:06
○NSnsa.ppi.net2007-10-28 → 2007-10-28 · 3 obs
● 2007-10-28 14:51:02
○ 2015-06-04 21:51:14
○ 2026-05-12 00:21:06
○MXimg10u.ppi.net2007-10-28 → 2007-10-28 · 3 obs
● 2007-10-28 14:51:02
○ 2015-06-04 21:51:14
○ 2026-05-12 00:21:06
○MXimg20u.ppi.net2007-10-28 → 2007-10-28 · 3 obs
● 2007-10-28 14:51:02
○ 2015-06-04 21:51:14
○ 2026-05-12 00:21:06
○MXp.webcom.ctmail.com2016-01-03 → 2018-08-19 · 5 obs
○ 2015-06-04 21:51:14
● 2016-01-03 06:08:58
● 2018-08-19 11:42:24
○ 2026-05-05 12:28:14
○ 2026-05-12 00:21:06
●A166.117.1.522026-05-05 → 2026-05-12 · 3 obs
○ 2018-08-19 11:42:24
● 2026-05-05 12:28:14
● 2026-05-12 00:21:06
○A205.178.189.1312015-06-04 → 2018-08-19 · 5 obs
○ 2007-10-28 14:51:02
● 2015-06-04 21:51:14
● 2018-08-19 11:42:24
○ 2026-05-05 12:28:14
○ 2026-05-12 00:21:06
○A70.168.42.902007-10-28 → 2007-10-28 · 3 obs
● 2007-10-28 14:51:02
○ 2015-06-04 21:51:14
○ 2026-05-12 00:21:06
●A76.223.5.2492026-05-05 → 2026-05-12 · 3 obs
○ 2018-08-19 11:42:24
● 2026-05-05 12:28:14
● 2026-05-12 00:21:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
century21ws.comns-105.awsdns-13.com, ns-1626.awsdns-11.co.uk, ns-1368.awsdns-43.org, ns-708.awsdns-24.ne2 records

✅ Authoritative Response

Server:205.251.197.88

NS records: ns-105.awsdns-13.com, ns-1626.awsdns-11.co.uk, ns-1368.awsdns-43.org, ns-708.awsdns-24.ne

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for century21ws.com (unsigned zone)

⏱️ Timing

Total: 1467ms | Queries: -

📄 Records

TypeCountSample Data
A2166.117.1.52, 76.223.5.249
NS4ns-105.awsdns-13.com, ns-1368.awsdns-43.org...
SOA1ns-1626.awsdns-11.co.uk awsdns-hostmaste

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-105.awsdns-13.com, ns-105.awsdns-13.com)

Analysis

IP Addresses

century21ws.com has two IP numbers: 76.223.5.249 and 166.117.1.52.

Other host names, for instance century21house.com, c21assistant.com, sudlersothebysinternationalrealty.com, coldwellbankeronline.org and japan-sir.net share IP numbers with century21ws.com.

Name Servers

century21ws.com is delegated to five name servers: ns-105.awsdns-13.com, ns-708.awsdns-24.ne, ns-708.awsdns-24.net, ns-1368.awsdns-43.org and ns-1626.awsdns-11.co.uk.

century21ws.com at least partially shares name servers with other domains, including longbranchayf.com, eggplantlab.com, pumpup.fr, b2egroup.com.br and workerdev.matterport.com.

These name servers are commonly used with ns-1761.awsdns-28.co.uk.

Host names with two IP numbers: ns-105.awsdns-13.com points to 2600:9000:5300:6900::1 and 205.251.192.105; ns-708.awsdns-24.net points to 2600:9000:5302:c400::1 and 205.251.194.196; ns-1368.awsdns-43.org points to 2600:9000:5305:5800::1 and 205.251.197.88; ns-1626.awsdns-11.co.uk points to 2600:9000:5306:5a00::1 and 205.251.198.90.