ct4us.com - robtex.com

ct4us.com

DNSSEC⚠️ Not signed
A3.33.130.190🇺🇸 Amazon3.33.128.0/20
PTRa2aa9ff50de748dbe.awsglobalaccelerator.com
A15.197.148.33🇺🇸 Amazon15.197.144.0/20
NSns19.domaincontrol.com ⭐
A2603:5:21d0::a🇺🇸 GODADDY-DNS2603:5:21d0::/44
PTRns19.domaincontrol.com
A97.74.109.10🇺🇸 GODADDY-DNS97.74.108.0/23
PTRns19.domaincontrol.com
NSns20.domaincontrol.com
A2603:5:22d0::a🇺🇸 GODADDY-DNS2603:5:22d0::/44
PTRns20.domaincontrol.com
A173.201.77.10🇺🇸 GODADDY-DNS173.201.76.0/23
PTRns20.domaincontrol.com
MXct4us-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c902::7🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj0pr02cu00107.inbound.protection.outlook.com
A2a01:111:f403:c92c::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm6pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:c946::7🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-ch5pr02cu00307.inbound.protection.outlook.com
A2a01:111:f403:f913::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-cy1pr03cu00100.inbound.protection.outlook.com
A52.101.9.5🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-mn2pr04cu00205.inbound.protection.outlook.com
A52.101.9.21🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl2pr04cu00205.inbound.protection.outlook.com
A52.101.11.13🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sn1pr0501cu00205.inbound.protection.outlook.com
A52.101.11.15🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sa9pr02cu00207.inbound.protection.outlook.com
TXTwm=sometext
TXTv=spf1 include:spf.protection.outlook.com -all
TXTgoogle-site-verification=JQNckwmm4A723glpOQ65Y3xMnLvxYsovyBqOrqBSt-c
TXTMS=3CF77D6C7560B7B1687CB7902A6FA00D9E862F26
SOAns19.domaincontrol.comdns@jomax.net 2023-09-19 #0

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=1776853727

Same first word

ct4us.com

Similar names

cst4u.com
cts4u.com
tcs4u.org
4cust.net

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSns19.domaincontrol.comns20.domaincontrol.comns1.mydyndns.orgns1128.dns.dyn.comns2171.dns.dyn.comns3153.dns.dyn.comns4166.dns.dyn.comMXct4us-com.mail.protection.outlook.complsmtp1.hushmail.complsmtp2.hushmail.comA15.197.148.333.33.130.19024.149.92.85
○NSns1.mydyndns.org2015-06-25 → 2017-04-01 · 4 obs
● 2015-06-25 23:54:20
● 2017-04-01 22:14:36
○ 2026-03-17 05:13:00
○ 2026-04-22 10:57:02
○NSns1128.dns.dyn.com2015-06-25 → 2017-04-01 · 4 obs
● 2015-06-25 23:54:20
● 2017-04-01 22:14:36
○ 2026-03-17 05:13:00
○ 2026-04-22 10:57:02
●NSns19.domaincontrol.com2026-03-17 → 2026-04-22 · 3 obs
○ 2017-04-01 22:14:36
● 2026-03-17 05:13:00
● 2026-04-22 10:57:02
●NSns20.domaincontrol.com2026-03-17 → 2026-04-22 · 3 obs
○ 2017-04-01 22:14:36
● 2026-03-17 05:13:00
● 2026-04-22 10:57:02
○NSns2171.dns.dyn.com2015-06-25 → 2017-04-01 · 4 obs
● 2015-06-25 23:54:20
● 2017-04-01 22:14:36
○ 2026-03-17 05:13:00
○ 2026-04-22 10:57:02
○NSns3153.dns.dyn.com2015-06-25 → 2017-04-01 · 4 obs
● 2015-06-25 23:54:20
● 2017-04-01 22:14:36
○ 2026-03-17 05:13:00
○ 2026-04-22 10:57:02
○NSns4166.dns.dyn.com2015-06-25 → 2017-04-01 · 4 obs
● 2015-06-25 23:54:20
● 2017-04-01 22:14:36
○ 2026-03-17 05:13:00
○ 2026-04-22 10:57:02
●MXct4us-com.mail.protection.outlook.com2026-03-17 → 2026-04-22 · 3 obs
○ 2017-04-01 22:14:36
● 2026-03-17 05:13:00
● 2026-04-22 10:57:02
○MXplsmtp1.hushmail.com2015-06-25 → 2017-04-01 · 4 obs
● 2015-06-25 23:54:20
● 2017-04-01 22:14:36
○ 2026-03-17 05:13:00
○ 2026-04-22 10:57:02
○MXplsmtp2.hushmail.com2015-06-25 → 2017-04-01 · 4 obs
● 2015-06-25 23:54:20
● 2017-04-01 22:14:36
○ 2026-03-17 05:13:00
○ 2026-04-22 10:57:02
●A15.197.148.332026-03-17 → 2026-04-22 · 3 obs
○ 2017-04-01 22:14:36
● 2026-03-17 05:13:00
● 2026-04-22 10:57:02
○A24.149.92.852015-06-25 → 2017-04-01 · 4 obs
● 2015-06-25 23:54:20
● 2017-04-01 22:14:36
○ 2026-03-17 05:13:00
○ 2026-04-22 10:57:02
●A3.33.130.1902026-03-17 → 2026-04-22 · 3 obs
○ 2017-04-01 22:14:36
● 2026-03-17 05:13:00
● 2026-04-22 10:57:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net...-
ct4us.comns19.domaincontrol.com, ns20.domaincontrol.com4 records

✅ Authoritative Response

Server:97.74.109.10

NS records: ns19.domaincontrol.com, ns20.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ct4us.com (unsigned zone)

⏱️ Timing

Total: 237ms | Queries: -

📄 Records

TypeCountSample Data
A23.33.130.190, 15.197.148.33
NS2ns19.domaincontrol.com, ns20.domaincontrol.com
MX1ct4us-com.mail.protection.outlook.com (p
TXT4wm=sometext, v=spf1 include:spf.protection.outlook.co...
SOA1ns19.domaincontrol.com dns.jomax.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns19.domaincontrol.com, ns19.domaincontrol.com, ns20.domaincontrol.com...)

Analysis

IP Addresses

Two IP numbers are pointed to by ct4us.com: 3.33.130.190 and 15.197.148.33.

other host names include biax.org, virtoural.com, inventionstoyou.com, splitsvilla.co.in and blackandglobal.com; they share IP numbers with ct4us.com.

Name Servers

Two name servers ns19.domaincontrol.com and ns20.domaincontrol.com handle the delegation for ct4us.com.

ct4us.com shares the same name server setup as other domains, for instance optionsconcepts.com, consumermedicaladvocates.com, mushicrew.com, mpsm.net and serbantanase.name.

ct4us.com shares name servers with other domains at least partially, for example ibetohotels.com.

Host names with two IP numbers:

ns19.domaincontrol.com points to 2603:5:21d0::a and 97.74.109.10.

ns20.domaincontrol.com points to 2603:5:22d0::a and 173.201.77.10.

Mail Servers

ct4us.com is handled by a single mail server, ct4us-com.mail.protection.outlook.com.

Hostname ct4us-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c902::7, 2a01:111:f403:c92c::1, 2a01:111:f403:c946::7, 2a01:111:f403:f913::, 52.101.9.5, 52.101.9.21, 52.101.11.13 and 52.101.11.15.