mail.tcso.ch - robtex.com

mail.tcso.ch

DNSSEC⚠️ Not signed
A149.126.4.39🇨🇭 CYON149.126.0.0/21 cyon GmbH
PTRs030.cyon.net

tcso.ch

DNSSEC🔒 Signed (DS record present)
A2a01:ab20:0:4::39🇨🇭 CYON2a01:ab20::/32
A149.126.4.39🇨🇭 CYON149.126.0.0/21 cyon GmbH
NSns1.cyon.ch ⭐
NSns2.cyon.ch
MXmail.tcso.ch ⭐
TXTv=spf1 include:spf.protection.cyon.net +ip4:5.148.183.20 -all
TXTv=spf1 +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 +ip4:5.148.183.20 -all
SOAns1.cyon.chserver@cyon.ch 2024-02-18 #1

MX for

tcso.ch

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A149.126.4.3985.10.192.7
●A149.126.4.392026-02-22 → 2026-04-14 · 6 obs
○ 2016-07-03 17:08:06
● 2026-02-22 23:06:44
● 2026-04-04 06:26:18
○ 2026-04-05 02:27:36
● 2026-04-06 16:24:14
● 2026-04-14 08:59:04
○A85.10.192.72015-08-08 → 2016-07-03 · 4 obs
● 2015-08-08 00:14:36
● 2016-07-03 17:08:06
○ 2026-02-22 23:06:44
○ 2026-04-14 08:59:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
chb.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch...-
tcso.chns2.cyon.ch, ns1.cyon.ch4 records

✅ Authoritative Response

Server:91.206.24.2

NS records: ns2.cyon.ch, ns1.cyon.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 704ms | Queries: -

📄 Records

TypeCountSample Data
A1149.126.4.39

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.cyon.ch, ns1.cyon.ch, ns2.cyon.ch...)

Analysis

Mail Server Role

The mail server for tcso.ch is mail.tcso.ch.

IP Addresses

mail.tcso.ch points to a single IP number: 149.126.4.39.

Other host names, for instance schulesta.ch, kamper.ch, starwish.ch, mail.tgcm.ch and mail.flamur.com share IP numbers with mail.tcso.ch.