`wrk.ch`

DNSSEC	⚠️ Not signed
A	212.40.5.41^{🇨🇭 VTX-NETWORK212.40.0.0/19 CH.VTX LIR Range}
		PTR	`mydomainplus1.datacomm.ch`
NS	`ns01.vtx.ch` ⭐
		A	212.147.10.15^{🇨🇭 VTX-NETWORK212.147.0.0/17 CH.VTX LIR Range}
			PTR	`ns01.vtx.ch`
NS	`ns02.vtx.ch`
		A	212.147.10.161^{🇨🇭 VTX-NETWORK212.147.0.0/17 CH.VTX LIR Range}
			PTR	`ns02.vtx.ch`
MX	`mx2.vtx.ch` ⭐
		A	194.38.175.33
SOA	`ns01.vtx.ch`dnsmaster@vtx.ch 2007-11-01 #2

`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 2026-03-28 #44

Same first word

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krw.io

DNS History

4 records (4 active, 0 former)

●NSns01.vtx.ch2015-06-28 → 2026-03-28 · 2 obs

● 2015-06-28 10:14:28
● 2026-03-28 21:18:48

●NSns02.vtx.ch2015-06-28 → 2026-03-28 · 2 obs

● 2015-06-28 10:14:28
● 2026-03-28 21:18:48

●MXmx2.vtx.ch2015-06-28 → 2026-03-28 · 5 obs

● 2015-06-28 10:14:28
● 2026-03-26 13:01:28
○ 2026-03-28 07:53:50
● 2026-03-28 21:18:46
● 2026-03-28 21:18:48

●A212.40.5.412015-06-28 → 2026-03-28 · 5 obs

● 2015-06-28 10:14:28
● 2026-03-26 13:01:28
○ 2026-03-28 07:53:50
● 2026-03-28 21:18:46
● 2026-03-28 21:18:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	e.nic.ch, f.nic.ch, b.nic.ch, d.nic.ch...	-
wrk.ch	ns02.vtx.ch, ns01.vtx.ch	2 records

✅ Authoritative Response

Server:212.147.10.15

NS records: ns02.vtx.ch, ns01.vtx.ch

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for wrk.ch (unsigned zone)

⏱️ Timing

Total: 427ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.40.5.41`
NS	2	`ns02.vtx.ch, ns01.vtx.ch`
MX	1	`mx2.vtx.ch (pri: 10)`
SOA	1	`ns01.vtx.ch dnsmaster.vtx.ch`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns02.vtx.ch, ns01.vtx.ch)

Analysis

IP Addresses

wrk.ch points to a single IP number: 212.40.5.41.

other host names for instance solfram.com, bernasconilaw.com, bluhm.ch, schule-stallikon.ch and lienard.ch share IP numbers with wrk.ch.

Name Servers

wrk.ch is delegated to two name servers: ns01.vtx.ch and ns02.vtx.ch.

wrk.ch shares the same name server setup as other domains, for example bagutti.ch, praemech.ch, acau.ch, citadel.ch and bydal.ch.

wrk.ch partially shares name servers with other domains, for instance ppge.ch, syzbank.com, cardu.ch and anograto.ch.

Host names with one IP number:

The host ns01.vtx.ch points to 212.147.10.15 and the host ns02.vtx.ch points to 212.147.10.161.

Mail Servers

wrk.ch is handled by a single mail server, mx2.vtx.ch.

wrk.ch shares the same mail server setup as other domains, for instance orgues-et-vitraux.ch, artplace.ch, biolex.ch, grid-it.ch and buchzentrum.com.

wrk.ch shares at least partially some mail servers with other domains, for instance ikids.ch, ehc-uster.ch and bronv.ch.

Host name mx2.vtx.ch resolves to IP 194.38.175.33.

wrk.ch - robtex.com

wrk.ch

ch