smtp.3dc.ch - robtex.com

smtp.3dc.ch

DNSSEC⚠️ Not signed
A2a0f:ac85:1048:b0b7:89:34:125:1771🇨🇭 AS_VADIAN22a0f:ac85::/32
A89.34.125.177🇩🇪 AS_VADIAN289.34.125.0/24

3dc.ch

DNSSEC🔒 Signed (DS record present)
A2a0f:ac85:1048:b0b7:89:34:125:1771🇨🇭 AS_VADIAN22a0f:ac85::/32
A89.34.125.177🇩🇪 AS_VADIAN289.34.125.0/24
NSns1.domains.ch ⭐
NSns2.domains.ch
MXspf.domains.ch ⭐
TXTv=spf1 mx a -all
SOAns1.domains.chhostmaster@vadian.net 2026-06-20 #29

Same first word

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DNS History

2 records (2 active, 0 former)

A2a0f:ac85:1048:b0b7:89:34:125:177189.34.125.177
●A2a0f:ac85:1048:b0b7:89:34:125:17712026-03-27 → 2026-08-01 · 2 obs
● 2026-03-27 12:39:24
● 2026-08-01 19:49:18
●A89.34.125.1772026-03-27 → 2026-08-01 · 2 obs
● 2026-03-27 12:39:24
● 2026-08-01 19:49:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cha.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...-
3dc.chns1.domains.ch, ns2.domains.ch4 records

✅ Authoritative Response

Server:89.34.125.187

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 531ms | Queries: -

📄 Records

TypeCountSample Data
A189.34.125.177
AAAA12a0f:ac85:1048:b0b7:89:34:125:1771

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

smtp.3dc.ch points to the IP addresses 89.34.125.177 and 2a0f:ac85:1048:b0b7:89:34:125:1771

Two other host names, along with bigmac.ch, smtp.sanbera.ch and socialcare.ch, also share IP numbers with smtp.3dc.ch.