mail1.colijn.com - robtex.com

mail1.colijn.com

DNSSEC⚠️ Not signed
A2a01:448:2001::21🇳🇱 METAREGISTRAR2a01:448::/34
PTRserver011.mijndomeinhosting.nl
A213.249.67.21🇳🇱 METAREGISTRAR213.249.64.0/21

colijn.com

DNSSEC⚠️ Not signed
A2a01:448:2001::21🇳🇱 METAREGISTRAR2a01:448::/34
A213.249.67.21🇳🇱 METAREGISTRAR213.249.64.0/21
NSnsn1.mijndomein.nl ⭐
NSnsn2.mijndomein.nl
MXcolijn-com.mail.protection.outlook.com ⭐
TXTv=spf1 a include:spf.protection.outlook.com -all
SOAnsn1.mijndomein.nlhostmaster@colijn.com 2026-04-09 #1

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DNS History

4 records (2 active, 2 former)

20162017201820192020202120222023202420252026A213.249.67.212a01:448:2001::21185.27.142.20162.75.175.115
○A185.27.142.2012016-02-09 → 2016-04-30 · 5 obs
○ 2015-11-11 18:31:50
● 2016-02-09 11:13:26
● 2016-04-30 05:13:08
○ 2026-03-17 10:02:02
○ 2026-04-14 05:27:08
●A213.249.67.212026-03-17 → 2026-04-14 · 3 obs
○ 2016-04-30 05:13:08
● 2026-03-17 10:02:02
● 2026-04-14 05:27:08
●A2a01:448:2001::212026-03-17 → 2026-04-14 · 3 obs
○ 2016-04-30 05:13:08
● 2026-03-17 10:02:02
● 2026-04-14 05:27:08
○A62.75.175.1152015-07-09 → 2015-11-11 · 4 obs
● 2015-07-09 02:44:46
● 2015-11-11 18:31:50
○ 2016-02-09 11:13:26
○ 2026-04-14 05:27:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net...-
colijn.comnsn1.mijndomein.nl, nsn2.mijndomein.nl-

✅ Authoritative Response

Server:192.174.68.15

NS records: nsn1.mijndomein.nl, nsn2.mijndomein.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for colijn.com (unsigned zone)

⏱️ Timing

Total: 182ms | Queries: -

📄 Records

TypeCountSample Data
A1213.249.67.21
AAAA12a01:448:2001::21

Analysis

IP Addresses

mail1.colijn.com points to two IP numbers: 2a01:448:2001::21 and 213.249.67.21.

Other host names such as karpermeer.nl, jkservice.nl, mailhost.karenvandooren.nl, vagt.nl and mail.teebin.nl share IPs with mail1.colijn.com.