`hostmaster.webcoach.ch`

	DNSSEC	⚠️ Not signed
	A	2001:0:4137:9e76:349e:28af:abb6:817f^{HURRICANE2001::/32 Teredo-Nullroute}
	A	192.168.1.58

`webcoach.ch`

	DNSSEC	⚠️ Not signed
	A	2001:0:4137:9e76:349e:28af:abb6:817f^{HURRICANE2001::/32 Teredo-Nullroute}
	A	192.168.1.58
	NS	`ns1.dynu.com` ⭐
	NS	`ns2.dynu.com`
	NS	`ns3.dynu.com`
	NS	`ns4.dynu.com`
	NS	`ns5.dynu.com` ⚠️ Not in parent delegation
	NS	`ns6.dynu.com` ⚠️ Not in parent delegation
	SOA	`ns1.dynu.com`administrator@dynu.com serial=484

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DNS History

4 records (2 active, 2 former)

○A136.243.71.1572016-04-01 → 2016-09-18 · 5 obs

○ 2016-01-14 01:38:00
● 2016-04-01 17:27:48
● 2016-09-18 01:38:44
○ 2026-02-22 17:01:16
○ 2026-04-13 20:54:56

●A192.168.1.582026-02-22 → 2026-04-13 · 3 obs

○ 2016-09-18 01:38:44
● 2026-02-22 17:01:16
● 2026-04-13 20:54:56

●A2001:0:4137:9e76:349e:28af:abb6:817f2026-02-22 → 2026-04-13 · 3 obs

○ 2016-09-18 01:38:44
● 2026-02-22 17:01:16
● 2026-04-13 20:54:56

○A78.46.98.732015-06-10 → 2016-01-14 · 4 obs

● 2015-06-10 17:02:38
● 2016-01-14 01:38:00
○ 2016-04-01 17:27:48
○ 2026-04-13 20:54:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	b.nic.ch, f.nic.ch, e.nic.ch, a.nic.ch...	-
webcoach.ch	ns2.dynu.com, ns3.dynu.com, ns4.dynu.com, ns1.dynu.com	-

✅ Authoritative Response

Server:72.51.58.2

NS records: ns2.dynu.com, ns3.dynu.com, ns4.dynu.com, ns1.dynu.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for webcoach.ch (unsigned zone)

⏱️ Timing

Total: 594ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.168.1.58`
AAAA	1	`2001:0:4137:9e76:349e:28af:abb6:817f`

Analysis

IP Addresses

hostmaster.webcoach.ch points to two IP numbers: 2001:0:4137:9e76:349e:28af:abb6:817f and 192.168.1.58.

Other host names, for instance ns1.webcoach.ch, webcoach.ch and ns2.webcoach.ch share IP numbers with hostmaster.webcoach.ch.

hostmaster.webcoach.ch - robtex.com