`mail.blockimmo.ch`

DNSSEC	⚠️ Not signed
A	2a01:ab20:0:4::66^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s057.cyon.net`
A	149.126.4.66^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}

`blockimmo.ch`

	DNSSEC	🔒 Signed (DS record present)
	A	2a01:ab20:0:4::66^{🇨🇭 CYON2a01:ab20::/32}
	A	149.126.4.66^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
	NS	`ns1.cyon.ch` ⭐
	NS	`ns2.cyon.ch`
	MX	`mail.blockimmo.ch` ⭐
	TXT	`v=spf1 include:spf.protection.cyon.net -all`
	SOA	`ns1.cyon.ch`server@cyon.ch 2025-12-16 #1

MX for

blockimmo.ch

Same first word

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DNS History

2 records (2 active, 0 former)

●A149.126.4.662026-03-28 → 2026-04-12 · 5 obs

● 2026-03-28 10:46:28
● 2026-03-30 14:11:48
○ 2026-04-05 02:27:42
● 2026-04-12 01:44:22
● 2026-04-12 11:06:44

●A2a01:ab20:0:4::662026-03-28 → 2026-04-12 · 5 obs

● 2026-03-28 10:46:28
● 2026-03-30 14:11:48
○ 2026-04-05 02:27:42
● 2026-04-12 01:44:22
● 2026-04-12 11:06:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch...	10 records
blockimmo.ch	ns2.cyon.ch, ns1.cyon.ch	4 records

✅ Authoritative Response

Server:185.174.216.2

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 824ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.66`
AAAA	1	`2a01:ab20:0:4::66`

📌 Glue Records Collected

Total: 14

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

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

Analysis

Mail Server Role

mail.blockimmo.ch serves as the mail server for blockimmo.ch.

IP Addresses

mail.blockimmo.ch resolves to two IP numbers: 2a01:ab20:0:4::66 and 149.126.4.66.

Other host names, for instance sodafilm.ch, kwando.ch, infoservice.email, scersigen.ch and timecom.ch share IP numbers with mail.blockimmo.ch.

mail.blockimmo.ch - robtex.com