`mail.impuls-c21.ch`

DNSSEC	⚠️ Not signed
A	157.90.84.146^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}
		PTR	`lx64.hoststar.hosting`

`impuls-c21.ch`

	DNSSEC	🔒 Signed (DS record present)
	A	157.90.84.146^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}
	NS	`ns1.hoststar.hosting` ⭐
	NS	`ns2.hoststar.hosting`
	MX	`mail.impuls-c21.ch` ⭐
	SOA	`ns1.hoststar.hosting`hostmaster@impuls-c21.ch 2026-08-06 #1

WOT: SAFE (70/100)
WOT: SAFE (90/100)

MX for

impuls-c21.ch

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DNS History

2 records (1 active, 1 former)

●A157.90.84.1462026-03-30 → 2026-08-12 · 3 obs

○ 2016-05-25 05:08:24
● 2026-03-30 21:50:46
● 2026-08-12 10:45:38

○A78.46.80.1952015-08-19 → 2016-05-25 · 4 obs

● 2015-08-19 21:28:34
● 2016-05-25 05:08:24
○ 2026-03-30 21:50:46
○ 2026-08-12 10:45:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
impuls-c21.ch	ns1.hoststar.hosting, ns2.hoststar.hosting	-

✅ Authoritative Response

Server:88.99.214.141

NS records: ns1.hoststar.hosting, ns2.hoststar.hosting

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 839ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.90.84.146`

Analysis

Mail Server Role

impuls-c21.ch uses mail.impuls-c21.ch as a mail server.

IP Addresses

mail.impuls-c21.ch resolves to one IP address: 157.90.84.146.

schumacher-elektro-ag.ch, tux89.hoststar.ch, mail.wasteoftime.ch and two other host names share IP numbers with mail.impuls-c21.ch.

mail.impuls-c21.ch - robtex.com