`straehl-engineering.ch`

DNSSEC	🔒 Signed (DS record present)
A	80.74.138.101^{🇨🇭 ASN-METANET80.74.128.0/20 METANET AG, part of group.one}
		PTR	`rom80-74-138-101.ch-meta.net`
NS	`ch.pro.io` ⭐
		A	2a01:64c0:0:5000::19^{🇩🇪 CLOUDPIT2a01:64c0::/32}
			PTR	`ch.pro.io`
		A	109.237.142.19^{🇩🇪 CLOUDPIT109.237.128.0/20}
NS	`nl.pro.io`
		A	2a01:4f8:fff3:66::219^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`nl.pro.io`
		A	176.9.166.219^{🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4}
NS	`p.dnh.net`
		A	2a02:2b80:101:5000::19^{🇩🇪 CLOUDPIT2a02:2b80:101::/48}
			PTR	`p.dnh.net`
		A	109.237.143.19^{🇩🇪 CLOUDPIT109.237.128.0/20}
MX	`mail.straehl-engineering.ch` ⭐
		A	80.74.138.101^{🇨🇭 ASN-METANET80.74.128.0/20 METANET AG, part of group.one}
			PTR	`rom80-74-138-101.ch-meta.net`
TXT	`v=spf1 include:_spf.sui-inter.net +mx +a -all`
SOA	`ch.pro.io`hostmaster@metanet.ch 2025-09-01 #0

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-08-08 #24

Subdomains

mail.straehl-engineering.ch

Same first word

straehl-engineering.ch

DNS History

8 records (5 active, 3 former)

●NSch.pro.io2026-07-05 → 2026-08-08 · 3 obs

○ 2017-08-08 14:29:18
● 2026-07-05 02:06:02
● 2026-08-08 10:56:02

●NSnl.pro.io2026-07-05 → 2026-08-08 · 3 obs

○ 2017-08-08 14:29:18
● 2026-07-05 02:06:02
● 2026-08-08 10:56:02

○NSns.ch-meta.net2015-06-05 → 2017-08-08 · 4 obs

● 2015-06-05 14:36:22
● 2017-08-08 14:29:18
○ 2026-07-05 02:06:02
○ 2026-08-08 10:56:02

○NSns2.ch-meta.net2015-06-05 → 2017-08-08 · 4 obs

● 2015-06-05 14:36:22
● 2017-08-08 14:29:18
○ 2026-07-05 02:06:02
○ 2026-08-08 10:56:02

○NSns3.ch-meta.net2015-06-05 → 2017-08-08 · 4 obs

● 2015-06-05 14:36:22
● 2017-08-08 14:29:18
○ 2026-07-05 02:06:02
○ 2026-08-08 10:56:02

●NSp.dnh.net2026-07-05 → 2026-08-08 · 3 obs

○ 2017-08-08 14:29:18
● 2026-07-05 02:06:02
● 2026-08-08 10:56:02

●MXmail.straehl-engineering.ch2015-06-05 → 2026-08-08 · 2 obs

● 2015-06-05 14:36:22
● 2026-08-08 10:56:02

●A80.74.138.1012015-06-05 → 2026-08-08 · 2 obs

● 2015-06-05 14:36:22
● 2026-08-08 10:56:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	f.nic.ch, d.nic.ch, e.nic.ch, a.nic.ch...	-
straehl-engineering.ch	p.dnh.net, ch.pro.io, nl.pro.io	-

✅ Authoritative Response

Server:109.237.143.19

NS records: p.dnh.net, ch.pro.io, nl.pro.io

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1108ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.74.138.101`
NS	3	`nl.pro.io, ch.pro.io...`
MX	1	`mail.straehl-engineering.ch (pri: 10)`
TXT	1	`v=spf1 include:_spf.sui-inter.net +mx +a`
SOA	1	`ch.pro.io hostmaster.metanet.ch`

Analysis

Hierarchy

straehl-engineering.ch serves as the parent of mail.straehl-engineering.ch.

IP Addresses

straehl-engineering.ch resolves to just one IP address, 80.74.138.101.

Additional host names — including rom80-74-138-101.ch-meta.net and mail.straehl-engineering.ch — share IP numbers with straehl-engineering.ch.

Name Servers

DNS for straehl-engineering.ch is handled by three authoritative name servers: ch.pro.io, nl.pro.io and p.dnh.net.

straehl-engineering.ch has at least partial name server overlap with other domains, such as seiout.ch, azfittings-shop.com, haecksel.ch and two others.

Three hostnames — ch.pro.io, nl.pro.io and p.dnh.net — each have two IP addresses: ch.pro.io has 109.237.142.19 and 2a01:64c0:0:5000::19, nl.pro.io has 176.9.166.219 and 2a01:4f8:fff3:66::219, and p.dnh.net has 109.237.143.19 and 2a02:2b80:101:5000::19.

Mail Servers

The sole mail server for straehl-engineering.ch is mail.straehl-engineering.ch.

mail.straehl-engineering.ch has exactly one IP number: 80.74.138.101.

straehl-engineering.ch - robtex.com