`norstone.ch`

DNSSEC	⚠️ Not signed
NS	`dns1.worldcom.ch` ⚠️ Not in zone NS records
		A	212.74.152.1^{🇨🇭 IPWORLDCOM212.74.128.0/18 IP worldcom SA Switzerland}
			PTR	`dns1.worldcom.ch`
NS	`dns2.worldcom.ch` ⚠️ Not in zone NS records
		A	212.74.161.1^{🇨🇭 IPWORLDCOM212.74.128.0/18 IP worldcom SA Switzerland}
			PTR	`dns2.worldcom.ch`

`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 2026-03-27 #33

Same first word

norstone.tech

norstone.net

norstone.ch

norstone.no

norstone.com

norstone.co.uk

Similar names

DNS History

6 records (2 active, 4 former)

●NSdns1.worldcom.ch2015-07-04 → 2026-03-27 · 2 obs

● 2015-07-04 16:03:50
● 2026-03-27 16:09:54

●NSdns2.worldcom.ch2015-07-04 → 2026-03-27 · 2 obs

● 2015-07-04 16:03:50
● 2026-03-27 16:09:54

○NSdns3.worldcom.ch2018-08-09 → 2026-03-11 · 5 obs

○ 2015-07-04 16:03:50
● 2018-08-09 04:47:18
● 2026-03-11 08:46:56
○ 2026-03-22 17:02:38
○ 2026-03-27 16:09:54

○MXmail.norstone.ch2015-07-04 → 2026-03-11 · 4 obs

● 2015-07-04 16:03:50
● 2026-03-11 08:46:56
○ 2026-03-22 17:02:38
○ 2026-03-27 16:09:54

○A212.74.176.1482015-07-04 → 2017-01-26 · 4 obs

● 2015-07-04 16:03:50
● 2017-01-26 23:00:44
○ 2018-08-09 04:47:18
○ 2026-03-27 16:09:54

○A83.172.255.82018-08-09 → 2026-03-11 · 5 obs

○ 2017-01-26 23:00:44
● 2018-08-09 04:47:18
● 2026-03-11 08:46:56
○ 2026-03-22 17:02:38
○ 2026-03-27 16:09:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
norstone.ch	dns1.worldcom.ch, dns2.worldcom.ch	2 records

✅ Authoritative Response

Server:212.74.152.1

NS records: dns1.worldcom.ch, dns2.worldcom.ch

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for norstone.ch (unsigned zone)

⏱️ Timing

Total: 508ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns2.worldcom.ch, dns1.worldcom.ch)

Analysis

Name Servers

Two name servers dns1.worldcom.ch and dns2.worldcom.ch handle the delegation for norstone.ch.

norstone.ch shares the same name server setup as other domains, for example 205.172.83.in-addr.arpa, 238.172.83.in-addr.arpa, nbmolecules.info, 152.74.212.in-addr.arpa and 132.74.212.in-addr.arpa.

norstone.ch at least partially shares name servers with other domains, for example 182.74.212.in-addr.arpa, 183.74.212.in-addr.arpa, sdi-net.ch, stoudmann.com and timenet.ch.

these name servers are commonly used alongside dns3.worldcom.ch name servers.

Host names with one IP number:

dns1.worldcom.ch points to 212.74.152.1; dns2.worldcom.ch points to 212.74.161.1.

norstone.ch - robtex.com

norstone.ch

ch