cst1.org - robtex.com

cst1.org

CNAMEwww.cst1.org.s3-website.eu-west-2.amazonaws.com
CNAMEs3-website.eu-west-2.amazonaws.com
DNSSEC⚠️ Not signed
A3.5.244.40🇬🇧 Amazon3.5.244.0/24 EC2 Prefix
A3.5.244.70🇬🇧 Amazon3.5.244.0/24 EC2 Prefix
A3.5.244.100🇬🇧 Amazon3.5.244.0/24 EC2 Prefix
A3.5.245.35🇬🇧 Amazon3.5.245.0/24 EC2 Prefix
A3.5.245.57🇬🇧 Amazon3.5.245.0/24 EC2 Prefix
A3.5.245.205🇬🇧 Amazon3.5.245.0/24 EC2 Prefix
A3.5.245.240🇬🇧 Amazon3.5.245.0/24 EC2 Prefix
A3.5.246.57🇬🇧 Amazon3.5.246.0/24 EC2 Prefix
NSns-1358.awsdns-41.org ⭐
A2600:9000:5305:4e00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1358.awsdns-41.org
A205.251.197.78🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1358.awsdns-41.org
NSns-2034.awsdns-62.co.uk
A2600:9000:5307:f200::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-2034.awsdns-62.co.uk
A205.251.199.242🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-2034.awsdns-62.co.uk
NSns-424.awsdns-53.com
A2600:9000:5301:a800::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-424.awsdns-53.com
A205.251.193.168🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-424.awsdns-53.com
NSns-837.awsdns-40.net
A2600:9000:5303:4500::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-837.awsdns-40.net
A205.251.195.69🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-837.awsdns-40.net
TXT1ca9088ffc244434590258a53dfe198c
SOAns-1358.awsdns-41.orgawsdns-hostmaster@amazon.com serial=1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953

Same first word

cst1.ca
cst1.net
cst1.org

Similar names

tsc1.de
1stc.com
1tsc.com
sct1.cn
stc1.fr
stc1.co.zw
stc1.com
tcs1.com
c1st.de
1tcs.com
1tcs.no-ip.org
cts1.de
c1st.com
cts1.com

DNS History

13 records (8 active, 5 former)

20162017201820192020202120222023202420252026NSdns1.registrar-servers.comdns2.registrar-servers.comns1.livedns.co.ukns2.livedns.co.ukns3.livedns.co.ukMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.commailserver.cst1.orgA88.208.252.9CNAMEwww.cst1.org.s3-website.eu-west-2.amazonaws.com
●NSdns1.registrar-servers.com2026-03-05 → 2026-03-23 · 3 obs
○ 2020-01-04 22:10:02
● 2026-03-05 06:07:22
● 2026-03-23 04:15:46
●NSdns2.registrar-servers.com2026-03-05 → 2026-03-23 · 3 obs
○ 2020-01-04 22:10:02
● 2026-03-05 06:07:22
● 2026-03-23 04:15:46
○NSns1.livedns.co.uk2015-07-21 → 2017-02-05 · 4 obs
● 2015-07-21 14:36:18
● 2017-02-05 01:19:06
○ 2020-01-04 22:10:02
○ 2026-03-23 04:15:46
○NSns2.livedns.co.uk2015-07-21 → 2017-02-05 · 4 obs
● 2015-07-21 14:36:18
● 2017-02-05 01:19:06
○ 2020-01-04 22:10:02
○ 2026-03-23 04:15:46
○NSns3.livedns.co.uk2015-07-21 → 2017-02-05 · 4 obs
● 2015-07-21 14:36:18
● 2017-02-05 01:19:06
○ 2020-01-04 22:10:02
○ 2026-03-23 04:15:46
●MXeforward1.registrar-servers.com2026-03-05 → 2026-03-23 · 3 obs
○ 2020-01-04 22:10:02
● 2026-03-05 06:07:22
● 2026-03-23 04:15:46
●MXeforward2.registrar-servers.com2026-03-05 → 2026-03-23 · 3 obs
○ 2020-01-04 22:10:02
● 2026-03-05 06:07:22
● 2026-03-23 04:15:46
●MXeforward3.registrar-servers.com2026-03-05 → 2026-03-23 · 3 obs
○ 2020-01-04 22:10:02
● 2026-03-05 06:07:22
● 2026-03-23 04:15:46
●MXeforward4.registrar-servers.com2026-03-05 → 2026-03-23 · 3 obs
○ 2020-01-04 22:10:02
● 2026-03-05 06:07:22
● 2026-03-23 04:15:46
●MXeforward5.registrar-servers.com2026-03-05 → 2026-03-23 · 3 obs
○ 2020-01-04 22:10:02
● 2026-03-05 06:07:22
● 2026-03-23 04:15:46
○MXmailserver.cst1.org2015-07-21 → 2017-02-05 · 4 obs
● 2015-07-21 14:36:18
● 2017-02-05 01:19:06
○ 2020-01-04 22:10:02
○ 2026-03-23 04:15:46
○A88.208.252.92015-07-21 → 2017-02-05 · 4 obs
● 2015-07-21 14:36:18
● 2017-02-05 01:19:06
○ 2020-01-04 22:10:02
○ 2026-03-23 04:15:46
●CNAMEwww.cst1.org.s3-website.eu-west-2.amazonaws.com2026-03-05 → 2026-03-23 · 2 obs
● 2026-03-05 06:07:22
● 2026-03-23 04:15:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
cst1.orgdns1.registrar-servers.com, dns2.registrar-servers.com-

✅ Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cst1.org (unsigned zone)

⏱️ Timing

Total: 483ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
MX5eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...
TXT1v=spf1 include:spf.efwd.registrar-server
CNAME1www.cst1.org.s3-website.eu-west-2.amazon
SOA1dns1.registrar-servers.com hostmaster.re

Analysis

IP Addresses

cst1.org resolves to eight IP numbers: 3.5.244.40, 3.5.244.70, 3.5.244.100, 3.5.245.35, 3.5.245.57, 3.5.245.205, 3.5.245.240 and 3.5.246.57.

Other host names including adammarshall.click, enableinsurance.uk, uktrainingworldwide.com, deeblawfirm.com and digitalpunk.com share IP numbers with cst1.org.

Name Servers

cst1.org is delegated to four name servers: ns-424.awsdns-53.com, ns-837.awsdns-40.net, ns-1358.awsdns-41.org and ns-2034.awsdns-62.co.uk.

cst1.org at least partially shares name servers with other domains, including elasityapp.com, devleenasamanta.com, roninvoicegps.net, api.flexera.com and vimentis.ch.

these name servers are commonly used together with ns-300.awsdns-37.com, ns-1515.awsdns-61.org and ns-1589.awsdns-06.co.uk.

Hosts with two IP numbers:

Host ns-424.awsdns-53.com points to 2600:9000:5301:a800::1 and 205.251.193.168

Host ns-837.awsdns-40.net points to 2600:9000:5303:4500::1 and 205.251.195.69

Host ns-1358.awsdns-41.org points to 2600:9000:5305:4e00::1 and 205.251.197.78

Host ns-2034.awsdns-62.co.uk points to 2600:9000:5307:f200::1 and 205.251.199.242