mail.sr3.ch - robtex.com

mail.sr3.ch

DNSSEC⚠️ Not signed
A2a01:ab20:0:4::20🇨🇭 CYON2a01:ab20::/32
PTRs011.cyon.net
A149.126.4.20🇨🇭 CYON149.126.0.0/21 cyon GmbH

sr3.ch

DNSSEC⚠️ Not signed
A2a01:ab20:0:4::20🇨🇭 CYON2a01:ab20::/32
A149.126.4.20🇨🇭 CYON149.126.0.0/21 cyon GmbH
NSns1.cyon.ch ⭐
NSns2.cyon.ch
MXmail.sr3.ch ⭐
TXTv=spf1 include:spf.protection.cyon.net -all
SOAns1.cyon.chserver@cyon.ch 2026-01-15 #2

MX for

sr3.ch

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DNS History

2 records (2 active, 0 former)

A149.126.4.202a01:ab20:0:4::20
●A149.126.4.202026-06-28 → 2026-07-25 · 2 obs
● 2026-06-28 15:29:22
● 2026-07-25 14:31:04
●A2a01:ab20:0:4::202026-06-28 → 2026-07-25 · 2 obs
● 2026-06-28 15:29:22
● 2026-07-25 14:31:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cha.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...10 records
sr3.chns1.cyon.ch, ns2.cyon.ch4 records

✅ Authoritative Response

Server:91.206.24.2

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sr3.ch (unsigned zone)

⏱️ Timing

Total: 499ms | Queries: -

📄 Records

TypeCountSample Data
A1149.126.4.20
AAAA12a01:ab20:0:4::20

📌 Glue Records Collected

Total: 14

In-bailiwick: 10 (a.nic.ch, a.nic.ch, b.nic.ch...)

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

Analysis

Mail Server Role

mail.sr3.ch is a mail server for sr3.ch.

IP Addresses

mail.sr3.ch points to the IP addresses 149.126.4.20 and 2a01:ab20:0:4::20

Among the host names that share IP numbers with mail.sr3.ch are mail.bardy.ch, fvdschweiz.ch, jugendsinfonieorchester.ch and two others.