`regionalschule.ch`

DNSSEC	🔒 Signed (DS record present)
A	193.135.58.29^{🇨🇭 hosttech-AS193.135.58.0/24}
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}
			PTR	`ch.pro.io`
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}
			PTR	`nl.pro.io`
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}
			PTR	`p.dnh.net`
MX	`mail.regionalschule.ch` ⭐
		A	80.74.155.20^{🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland}
			PTR	`falkenstein.sui-inter.net`
SOA	`ch.pro.io`hostmaster@metanet.ch 2018-02-09 #1

`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 2026-03-31 #36

Subdomains

mail.regionalschule.ch

Same first word

regionalschule.ch

DNS History

9 records (5 active, 4 former)

●NSch.pro.io2026-03-13 → 2026-03-31 · 3 obs

○ 2017-12-16 02:41:44
● 2026-03-13 04:27:56
● 2026-03-31 16:51:02

●NSnl.pro.io2026-03-13 → 2026-03-31 · 3 obs

○ 2017-12-16 02:41:44
● 2026-03-13 04:27:56
● 2026-03-31 16:51:02

○NSns.ch-inter.net2015-07-03 → 2017-12-16 · 4 obs

● 2015-07-03 10:54:44
● 2017-12-16 02:41:44
○ 2026-03-13 04:27:56
○ 2026-03-31 16:51:02

○NSns1.megma.com2015-07-03 → 2017-12-16 · 4 obs

● 2015-07-03 10:54:44
● 2017-12-16 02:41:44
○ 2026-03-13 04:27:56
○ 2026-03-31 16:51:02

○NSns2.megma.com2015-07-03 → 2017-12-16 · 4 obs

● 2015-07-03 10:54:44
● 2017-12-16 02:41:44
○ 2026-03-13 04:27:56
○ 2026-03-31 16:51:02

●NSp.dnh.net2026-03-13 → 2026-03-31 · 3 obs

○ 2017-12-16 02:41:44
● 2026-03-13 04:27:56
● 2026-03-31 16:51:02

●MXmail.regionalschule.ch2015-07-03 → 2026-03-31 · 2 obs

● 2015-07-03 10:54:44
● 2026-03-31 16:51:02

●A193.135.58.292026-03-13 → 2026-03-31 · 3 obs

○ 2017-12-16 02:41:44
● 2026-03-13 04:27:56
● 2026-03-31 16:51:02

○A80.74.155.202015-07-03 → 2017-12-16 · 4 obs

● 2015-07-03 10:54:44
● 2017-12-16 02:41:44
○ 2026-03-13 04:27:56
○ 2026-03-31 16:51:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
regionalschule.ch	p.dnh.net, ch.pro.io, nl.pro.io	-

✅ Authoritative Response

Server:176.9.166.219

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: 955ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.135.58.29`
NS	3	`ch.pro.io, nl.pro.io...`
MX	1	`mail.regionalschule.ch (pri: 10)`
SOA	1	`ch.pro.io hostmaster.metanet.ch`

Analysis

Hierarchy

The parent of mail.regionalschule.ch is regionalschule.ch.

IP Addresses

regionalschule.ch points to a single IP number: 193.135.58.29.

Other host names, for instance schulebuerglen.ch, aeugst-albis.ch, www.frauenfeld.ch, kulturzofingen.ch and ofcf.ch share IP numbers with regionalschule.ch.

Name Servers

The domain regionalschule.ch is delegated to three name servers: ch.pro.io, nl.pro.io and p.dnh.net.

regionalschule.ch shares name servers with other domains at least partially, for instance deumidificatore.ch, anstalt.ch, clementia.ch, courtier.ch and gremlin.ch.

Host names with two IP numbers:

ch.pro.io points to 2a01:64c0:0:5000::19 and 109.237.142.19

nl.pro.io points to 2a01:4f8:fff3:66::219 and 176.9.166.219

p.dnh.net points to 2a02:2b80:101:5000::19 and 109.237.143.19

Mail Servers

The mail server for regionalschule.ch is mail.regionalschule.ch.

Host name mail.regionalschule.ch resolves to IP 80.74.155.20.

regionalschule.ch - robtex.com