mail.cotan.nl - robtex.com

mail.cotan.nl

DNSSEC⚠️ Not signed
A2a02:cc8::99:52🇳🇱 LEASEWEB-NL-AMS-012a02:cc8::/32 NL-TODAYISP-20090407
PTRmail2.satserver.nl
A87.236.99.52🇳🇱 LEASEWEB-NL-AMS-0187.236.96.0/21 TODAYISP

cotan.nl

DNSSEC⚠️ Not signed
A2a02:cc8::100:60🇳🇱 LEASEWEB-NL-AMS-012a02:cc8::/32 NL-TODAYISP-20090407
A87.236.100.60🇳🇱 LEASEWEB-NL-AMS-0187.236.96.0/21 TODAYISP
NSns1.satserver.nl ⭐
NSns2.satserver.nl
NSns3.satserver.nl
MXmail.cotan.nl ⭐
SOAns1.satserver.nlhostmaster@satserver.nl 2026-04-22 #1

MX for

cotan.nl

Same first word

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mail.bio
mail.dk
mail.main.jp
mail.graphics
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mail.yt
mail.watch
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DNS History

4 records (2 active, 2 former)

20162017201820192020202120222023202420252026A2a02:cc8::99:5287.236.99.522a02:cc8::98:13187.236.98.131
○A2a02:cc8::98:1312016-04-14 → 2016-10-10 · 5 obs
○ 2015-06-24 01:33:10
● 2016-04-14 10:30:40
● 2016-10-10 17:54:40
○ 2026-02-18 14:57:08
○ 2026-04-25 22:15:50
●A2a02:cc8::99:522026-02-18 → 2026-04-25 · 3 obs
○ 2016-10-10 17:54:40
● 2026-02-18 14:57:08
● 2026-04-25 22:15:50
○A87.236.98.1312015-06-24 → 2016-10-10 · 4 obs
● 2015-06-24 01:33:10
● 2016-10-10 17:54:40
○ 2026-02-18 14:57:08
○ 2026-04-25 22:15:50
●A87.236.99.522026-02-18 → 2026-04-25 · 3 obs
○ 2016-10-10 17:54:40
● 2026-02-18 14:57:08
● 2026-04-25 22:15:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns4.dns.nl, ns3.dns.nl-
cotan.nlns1.satserver.nl, ns2.satserver.nl, ns3.satserver.nl10 records

✅ Authoritative Response

Server:87.236.96.11

NS records: ns1.satserver.nl, ns2.satserver.nl, ns3.satserver.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 367ms | Queries: -

📄 Records

TypeCountSample Data
A187.236.99.52
AAAA12a02:cc8::99:52

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns1.satserver.nl, ns1.satserver.nl, ns2.satserver.nl...)

Analysis

Mail Server Role

mail.cotan.nl is the mail server for cotan.nl.

IP Addresses

mail.cotan.nl resolves to two IPs: 2a02:cc8::99:52 and 87.236.99.52.

other host names for instance mail.cif-operator.com, mail.aangesloten.net, mail.cjm.nu, mail.blablawebshop.com and mail.showenzo.nl share IP numbers with mail.cotan.nl.