mail.cohost.nl - robtex.com

mail.cohost.nl

DNSSEC⚠️ Not signed
A2a01:7c8:e100:1::50a0🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRwebhosting.transip.nl
A86.105.244.1🇳🇱 TRANSIP-AS86.105.244.0/22 TransIP BV Amsterdam, The Netherlands

cohost.nl

DNSSEC⚠️ Not signed
A2a01:7c8:e100:1::50a0🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
A86.105.244.1🇳🇱 TRANSIP-AS86.105.244.0/22 TransIP BV Amsterdam, The Netherlands
NSns0.transip.net ⭐
NSns1.transip.nl
NSns2.transip.eu
MXmx.transip.email ⭐
TXTv=spf1 include:_spf.transip.email ~all
SOAns0.transip.nethostmaster@transip.nl 2026-04-18 #3

PTR for

121.57.247.213.in-addr.arpa

Previously MX for

cohost.nl

Same first word

mail.org.za
mail.mx
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mail.gov.ae
mail.com.ba
mail.co.zw
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mail.pixolino.com
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mail.blogspot.be

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DNS History

4 records (2 active, 2 former)

20162017201820192020202120222023202420252026A2a01:7c8:e100:1::50a086.105.244.1149.210.241.1683.98.136.240
○A149.210.241.162016-01-16 → 2016-04-09 · 4 obs
○ 2015-10-22 03:59:24
● 2016-01-16 12:40:02
● 2016-04-09 05:14:22
○ 2026-05-14 03:44:34
●A2a01:7c8:e100:1::50a02026-05-14 → 2026-05-14 · 2 obs
○ 2016-04-09 05:14:22
● 2026-05-14 03:44:34
○A83.98.136.2402015-05-31 → 2015-10-22 · 4 obs
● 2015-05-31 03:20:54
● 2015-10-22 03:59:24
○ 2016-01-16 12:40:02
○ 2026-05-14 03:44:34
●A86.105.244.12026-05-14 → 2026-05-14 · 2 obs
○ 2016-04-09 05:14:22
● 2026-05-14 03:44:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
cohost.nlns0.transip.net, ns1.transip.nl, ns2.transip.eu2 records

✅ Authoritative Response

Server:195.8.195.195

NS records: ns0.transip.net, ns1.transip.nl, ns2.transip.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 351ms | Queries: -

📄 Records

TypeCountSample Data
A186.105.244.1
AAAA12a01:7c8:e100:1::50a0

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.transip.nl, ns1.transip.nl)

Analysis

IP Addresses

mail.cohost.nl resolves to two IP numbers: 2a01:7c8:e100:1::50a0 and 86.105.244.1.

Other host names, for instance betaalwater.eu, heidiliebt.nl, dutchdahliafestival.com, varpo.nl and hagenau.nl share IP numbers with mail.cohost.nl.