`mail.studio4.ch`

DNSSEC	⚠️ Not signed
A	80.74.156.191^{🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland}
		PTR	`diamant.metanet.ch`

`studio4.ch`

	DNSSEC	⚠️ Not signed
	A	80.74.156.191^{🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland}
	NS	`ns1.diamant.metanet.ch` ⭐
	NS	`ns2.diamant.metanet.ch`
	MX	`mail.studio4.ch` ⭐
	TXT	`v=spf1 include:_spf.sui-inter.net +mx +a ~all`
	TXT	`google-site-verification=Cy7J56qLVV94XQ83d7BHU330Ro1Mjrks0f1Ld02FKdY`
	SOA	`ns1.diamant.metanet.ch`thierry@leyva.ch 2026-08-06 #7

MX for

studio4.ch

Same first word

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DNS History

3 records (1 active, 2 former)

○A217.150.250.932015-08-02 → 2015-12-21 · 4 obs

● 2015-08-02 10:03:38
● 2015-12-21 05:23:00
○ 2016-03-24 04:14:36
○ 2026-08-10 12:17:22

○A5.148.183.792016-03-24 → 2016-03-24 · 4 obs

○ 2015-12-21 05:23:00
● 2016-03-24 04:14:36
○ 2026-02-23 03:10:50
○ 2026-08-10 12:17:22

●A80.74.156.1912026-02-23 → 2026-08-10 · 3 obs

○ 2016-03-24 04:14:36
● 2026-02-23 03:10:50
● 2026-08-10 12:17:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
studio4.ch	ns1.diamant.metanet.ch, ns2.diamant.metanet.ch	-

✅ Authoritative Response

Server:80.74.156.191

NS records: ns1.diamant.metanet.ch, ns2.diamant.metanet.ch

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studio4.ch (unsigned zone)

⏱️ Timing

Total: 1247ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.74.156.191`

Analysis

Mail Server Role

mail.studio4.ch serves as a mail server for studio4.ch.

IP Addresses

mail.studio4.ch points to a single IP number: 80.74.156.191.

Additional host names — mail.alpmedica.com, www.vua.ch, hev-winterthur.ch and two others — share IP numbers with mail.studio4.ch.

mail.studio4.ch - robtex.com

mail.studio4.ch

studio4.ch