`mail.hightower.ch`

DNSSEC	⚠️ Not signed
A	157.90.80.160^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}
		PTR	`lx56.hoststar.hosting`

`hightower.ch`

	DNSSEC	🔒 Signed (DS record present)
	A	157.90.80.160^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}
	NS	`ns1.hoststar.hosting` ⭐
	NS	`ns2.hoststar.hosting`
	MX	`mail.hightower.ch` ⭐
	TXT	`v=spf1 a:hightower.ch mx ~all`
	SOA	`ns1.hoststar.hosting`hostmaster@hightower.ch 2026-07-23 #1

MX for

hightower.ch

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DNS History

2 records (1 active, 1 former)

●A157.90.80.1602026-05-21 → 2026-07-28 · 3 obs

○ 2016-12-21 07:26:22
● 2026-05-21 12:08:30
● 2026-07-28 00:53:54

○A85.10.192.32015-08-10 → 2016-12-21 · 4 obs

● 2015-08-10 10:22:36
● 2016-12-21 07:26:22
○ 2026-05-21 12:08:30
○ 2026-07-28 00:53:54

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:185.48.228.80

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 965ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.90.80.160`

Analysis

Mail Server Role

Mail for hightower.ch is routed through the mail server mail.hightower.ch.

IP Addresses

mail.hightower.ch has exactly one IP address — 157.90.80.160.

mail.silberuni.com, ns1.webdiscounter.ch, mail.x13.ch plus two other host names have IP numbers in common with mail.hightower.ch.

mail.hightower.ch - robtex.com