ct-av.nl - robtex.com

ct-av.nl

DNSSEC🔒 Signed (DS record present)
A2a01:7c8:aab1:f4:5054:ff:febe:8db🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRweb03.trans.comphaan.nl
A149.210.131.30🇳🇱 TRANSIP-AS149.210.128.0/17 TransIP BV Amsterdam, The Netherlands
NSns1.openprovider.nl ⭐
A2400:cb00:2049:1::a29f:1a0a🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.10Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.openprovider.be
A2400:cb00:2049:1::a29f:1b60🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.27.96Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.openprovider.eu
A2400:cb00:2049:1::a29f:3059🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.48.89Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmail.comphaan.nl ⭐
A2a01:7c8:d001:2b1:5054:ff:fe32:95db🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRmail.comphaan.nl
A136.144.206.227🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRmail.comphaan.nl
TXTv=spf1 a:mail.comphaan.nl a include:mailgun.org ~all
SOAns1.openprovider.nldns@openprovider.eu 2026-02-20 #1

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-04-14 12:30:01 +0000 (EPOCH 1776169801)
SOAns1.dns.nldns@sidn.nl 2026-04-14 #25

Same first word

ct-av.nl

Similar names

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cat-v.org
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v-tac.es
c-avt.com
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act-v.jp
tv-ca.com
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v-tac.org
v-tac.ro

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns1.openprovider.nlns2.openprovider.bens3.openprovider.euns1.ascio.comns2.ascio.comns3.ascio.comns4.ascio.comMXmail.comphaan.nlA149.210.131.302a01:7c8:aab1:f4:5054:ff:febe:8db149.210.220.40
○NSns1.ascio.com2015-08-31 → 2018-12-28 · 4 obs
● 2015-08-31 11:13:20
● 2018-12-28 02:12:50
○ 2019-10-13 14:07:16
○ 2026-04-14 13:09:20
●NSns1.openprovider.nl2019-10-13 → 2026-04-14 · 3 obs
○ 2018-12-28 02:12:50
● 2019-10-13 14:07:16
● 2026-04-14 13:09:20
○NSns2.ascio.com2015-08-31 → 2018-12-28 · 4 obs
● 2015-08-31 11:13:20
● 2018-12-28 02:12:50
○ 2019-10-13 14:07:16
○ 2026-04-14 13:09:20
●NSns2.openprovider.be2019-10-13 → 2026-04-14 · 3 obs
○ 2018-12-28 02:12:50
● 2019-10-13 14:07:16
● 2026-04-14 13:09:20
○NSns3.ascio.com2015-08-31 → 2018-12-28 · 4 obs
● 2015-08-31 11:13:20
● 2018-12-28 02:12:50
○ 2019-10-13 14:07:16
○ 2026-04-14 13:09:20
●NSns3.openprovider.eu2019-10-13 → 2026-04-14 · 3 obs
○ 2018-12-28 02:12:50
● 2019-10-13 14:07:16
● 2026-04-14 13:09:20
○NSns4.ascio.com2015-08-31 → 2018-12-28 · 4 obs
● 2015-08-31 11:13:20
● 2018-12-28 02:12:50
○ 2019-10-13 14:07:16
○ 2026-04-14 13:09:20
●MXmail.comphaan.nl2015-08-31 → 2026-04-14 · 2 obs
● 2015-08-31 11:13:20
● 2026-04-14 13:09:20
●A149.210.131.302018-02-09 → 2026-04-14 · 3 obs
○ 2017-09-05 11:19:42
● 2018-02-09 05:49:38
● 2026-04-14 13:09:20
○A149.210.220.402015-08-31 → 2017-09-05 · 4 obs
● 2015-08-31 11:13:20
● 2017-09-05 11:19:42
○ 2018-02-09 05:49:38
○ 2026-04-14 13:09:20
●A2a01:7c8:aab1:f4:5054:ff:febe:8db2019-10-13 → 2026-04-14 · 3 obs
○ 2018-02-09 05:49:38
● 2019-10-13 14:07:16
● 2026-04-14 13:09:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns4.dns.nl, ns1.dns.nl-
ct-av.nlns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu-

✅ Authoritative Response

Server:162.159.48.89

NS records: ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1202ms | Queries: -

📄 Records

TypeCountSample Data
A1149.210.131.30
AAAA12a01:7c8:aab1:f4:5054:ff:febe:8db
NS3ns3.openprovider.eu, ns2.openprovider.be...
MX1mail.comphaan.nl (pri: 10)
TXT1v=spf1 a:mail.comphaan.nl a include:mail
SOA1ns1.openprovider.nl dns.openprovider.eu

Analysis

IP Addresses

Two IP numbers are pointed to by ct-av.nl: 2a01:7c8:aab1:f4:5054:ff:febe:8db and 149.210.131.30.

other host names include comst.nl, ideeplus.nl, ctav.nl, web03.trans.comphaan.nl and focus-op.nl; they share IP numbers with ct-av.nl.

Name Servers

ct-av.nl is delegated to three name servers ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl.

ct-av.nl at least partially shares name servers with other domains, for instance drmartensitalia.it, dabla.be, wbmc.nl, pepperbyte.com and bio-hacking.com.

Host names with two IP numbers:

ns2.openprovider.be points to 2400:cb00:2049:1::a29f:1b60 and 162.159.27.96; ns3.openprovider.eu points to 2400:cb00:2049:1::a29f:3059 and 162.159.48.89; ns1.openprovider.nl points to 2400:cb00:2049:1::a29f:1a0a and 162.159.26.10.

Mail Servers

ct-av.nl is handled by a single mail server, mail.comphaan.nl.

ct-av.nl uses the same mail server setup as other domains, for instance bandenmilieu.nl, comst.nl, ctav.nl, mosmans.net and americaworks.nl.

mail.comphaan.nl resolves to two IPs: 2a01:7c8:d001:2b1:5054:ff:fe32:95db and 136.144.206.227.