`mail.3wd.ch`

DNSSEC	⚠️ Not signed
A	2a01:ab20:0:4::84^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s075.cyon.net`
A	149.126.4.84^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}

`3wd.ch`

	DNSSEC	🔒 Signed (DS record present)
	A	2a01:ab20:0:4::84^{🇨🇭 CYON2a01:ab20::/32}
	A	149.126.4.84^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
	NS	`ns1.cyon.ch` ⭐
	NS	`ns2.cyon.ch`
	MX	`mail.3wd.ch` ⭐
	TXT	`v=spf1 include:spf.protection.cyon.net -all`
	SOA	`ns1.cyon.ch`server@cyon.ch 2026-05-15 #1

MX for

3wd.ch

Same first word

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DNS History

3 records (2 active, 1 former)

●A149.126.4.842026-02-19 → 2026-08-11 · 8 obs

○ 2016-05-14 18:06:34
● 2026-02-19 09:40:30
● 2026-04-02 12:53:22
○ 2026-04-05 02:27:42
● 2026-04-05 04:14:24
○ 2026-04-05 22:13:08
● 2026-04-14 19:15:08
● 2026-08-11 03:03:52

●A2a01:ab20:0:4::842026-02-19 → 2026-08-11 · 8 obs

○ 2016-05-14 18:06:34
● 2026-02-19 09:40:30
● 2026-04-02 12:53:22
○ 2026-04-05 02:27:42
● 2026-04-05 04:14:24
○ 2026-04-05 22:13:08
● 2026-04-14 19:15:08
● 2026-08-11 03:03:52

○A91.250.113.702015-08-02 → 2016-05-14 · 4 obs

● 2015-08-02 07:08:30
● 2016-05-14 18:06:34
○ 2026-02-19 09:40:30
○ 2026-08-11 03:03:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
3wd.ch	ns2.cyon.ch, ns1.cyon.ch	4 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: 637ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.84`
AAAA	1	`2a01:ab20:0:4::84`

📌 Glue Records Collected

Total: 4

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

Analysis

Mail Server Role

mail.3wd.ch serves as a mail server for 3wd.ch.

IP Addresses

mail.3wd.ch directs to two IP numbers, 149.126.4.84 and 2a01:ab20:0:4::84

Additional host names — fidesco.de, waleed.ch, mail.ate-ge.ch and two others — share IP numbers with mail.3wd.ch.

mail.3wd.ch - robtex.com

mail.3wd.ch

3wd.ch