collab.tech - dns.ninja

collab.tech

DNSSEC🔒 Signed (DS record present)
A37.251.49.236🇳🇱 KPN37.251.0.0/17 Network
PTRcollab.tech
NSns11.kpn.net ⭐
A2a02:a47f:ac:1::1153🇳🇱 KPN2a02:a400::/25 B.V.
PTRns11.kpn.net
PTRns1.widexs.net
PTRns01.is.nl
PTRns1.widexs.nl
A213.75.63.33🇳🇱 PT213.75.0.0/17 PIADDR
PTRns11.kpn.net
PTRns1.widexs.net
PTRns01.is.nl
PTRns1.widexs.nl
NSns1.kpn.net
A2a02:a47f:ac:1::153🇳🇱 KPN2a02:a400::/25 B.V.
PTRns1.kpn.net
A194.151.228.10🇩🇪 KPN194.151.224.0/19 B.V.
PTRns1.kpn.net
SOAns1.kpn.netzonemaster@kpn.com 2026-07-02 #1

tech

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1783300137

PTR for

236.49.251.37.in-addr.arpa

Same first word

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Similar names

ballco.ca
bocall.fr
blocal.ca
blocal.net
abcoll.com
obcall.com
bolcal.com.tr
coball.fr
clolab.com
ballco.eu
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abollc.com

DNS History

5 records (3 active, 2 former)

20192020202120222023202420252026NSns1.kpn.netns11.kpn.netns2.kpn.netA37.251.49.23683.161.133.105
●NSns1.kpn.net2018-07-22 → 2026-07-06 · 2 obs
● 2018-07-22 03:18:48
● 2026-07-06 01:12:22
●NSns11.kpn.net2026-03-13 → 2026-07-06 · 3 obs
○ 2018-07-22 03:18:48
● 2026-03-13 01:41:50
● 2026-07-06 01:12:22
○NSns2.kpn.net2018-07-22 → 2018-07-22 · 3 obs
● 2018-07-22 03:18:48
○ 2026-03-13 01:41:50
○ 2026-07-06 01:12:22
●A37.251.49.2362026-03-13 → 2026-07-06 · 6 obs
○ 2018-07-22 03:18:48
● 2026-03-13 01:41:50
● 2026-06-12 17:09:22
○ 2026-06-13 07:51:40
● 2026-06-17 11:25:08
● 2026-07-06 01:12:22
○A83.161.133.1052018-07-22 → 2018-07-22 · 3 obs
● 2018-07-22 03:18:48
○ 2026-03-13 01:41:50
○ 2026-07-06 01:12:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info8 records
collab.techns1.kpn.net, ns11.kpn.net-

✅ Authoritative Response

Server:213.75.63.33

NS records: ns1.kpn.net, ns11.kpn.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 862ms | Queries: -

📄 Records

TypeCountSample Data
A137.251.49.236
NS2ns11.kpn.net, ns1.kpn.net
SOA1ns1.kpn.net zonemaster.kpn.com

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns01.trs-dns.net...)

Analysis

IP Addresses

collab.tech points to a single IP number: 37.251.49.236.

Other host names, among them mail.busk.nl and busk.nl, have IP numbers in common with collab.tech.

Name Servers

The NS records for collab.tech delegate to ns11.kpn.net and ns1.kpn.net.

collab.tech shares its name server setup with other domains, including neocat.demon.nl, gsmshark.nl, stuurman.demon.nl and two others.

ns11.kpn.net resolves to 213.75.63.33 and 2a02:a47f:ac:1::1153. Likewise, ns1.kpn.net resolves to 194.151.228.10 and 2a02:a47f:ac:1::153 — two IP addresses apiece.