`couchphone.de`

DNSSEC	⚠️ Not signed
A	212.91.252.18^{🇩🇪 DNSNET212.91.224.0/19 DE-1STCOM-200005}
NS	`ns1.w23.de` ⭐
		A	212.91.252.5^{🇩🇪 DNSNET212.91.224.0/19 DE-1STCOM-200005}
NS	`ns2.w23.de`
		A	46.101.186.141^{🇩🇪 DIGITALOCEAN46.101.128.0/17 DigitalOcean}
			PTR	`ns2.w23.de`
MX	`mail.couchphone.de` ⭐
		A	212.91.252.16^{🇩🇪 DNSNET212.91.224.0/19 DE-1STCOM-200005}
SOA	`ns1.w23.de`support@w23.de 2022-02-10 #3

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1777172159

Subdomains

mail.couchphone.de

Same first word

couchphone.de

DNS History

7 records (4 active, 3 former)

●NSns1.w23.de2015-11-13 → 2026-04-26 · 3 obs

○ 2015-06-16 23:09:42
● 2015-11-13 12:19:24
● 2026-04-26 03:01:40

●NSns2.w23.de2015-11-13 → 2026-04-26 · 3 obs

○ 2015-06-16 23:09:42
● 2015-11-13 12:19:24
● 2026-04-26 03:01:40

○NSns3.w23.de2015-06-16 → 2015-06-16 · 3 obs

● 2015-06-16 23:09:42
○ 2015-11-13 12:19:24
○ 2026-04-26 03:01:40

○NSns7.dns-net.de2015-06-16 → 2015-06-16 · 3 obs

● 2015-06-16 23:09:42
○ 2015-11-13 12:19:24
○ 2026-04-26 03:01:40

●MXmail.couchphone.de2015-06-16 → 2026-04-26 · 2 obs

● 2015-06-16 23:09:42
● 2026-04-26 03:01:40

○A212.91.252.162015-06-16 → 2016-12-22 · 4 obs

● 2015-06-16 23:09:42
● 2016-12-22 06:45:14
○ 2026-02-15 22:18:12
○ 2026-04-26 03:01:40

●A212.91.252.182026-02-15 → 2026-04-26 · 3 obs

○ 2016-12-22 06:45:14
● 2026-02-15 22:18:12
● 2026-04-26 03:01:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
couchphone.de	ns2.w23.de, ns1.w23.de	2 records

✅ Authoritative Response

Server:212.91.252.5

NS records: ns2.w23.de, ns1.w23.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for couchphone.de (unsigned zone)

⏱️ Timing

Total: 739ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.91.252.18`
NS	2	`ns1.w23.de, ns2.w23.de`
MX	1	`mail.couchphone.de (pri: 10)`
SOA	1	`ns1.w23.de support.w23.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.w23.de, ns2.w23.de)

Analysis

Hierarchy

The parent of mail.couchphone.de is couchphone.de.

IP Addresses

couchphone.de points to an IP address: 212.91.252.18.

other host names include kotti-berlin.de, sidex.eu, mogolombek.com, elektro-kohn-gmbh.de and deutscher-mobilitaetskongress.de; they share IP numbers with couchphone.de.

Name Servers

Two name servers ns1.w23.de and ns2.w23.de handle the delegation for couchphone.de.

couchphone.de shares the same name server setup as other domains, for instance deutscher-mobilitaetskongress.de, richerzhagen-grabmale.de, wiesenfunker.de, cheapyo.de and meebls.de.

couchphone.de shares name servers with other domains at least partially, for example w23.de.

These name servers are commonly used with ns0.dns-net.de and ns7.dns-net.de.

Host names with one IP:

ns1.w23.de points to: 212.91.252.5

ns2.w23.de points to: 46.101.186.141

Mail Servers

couchphone.de is handled by a single mail server, mail.couchphone.de.

The host name mail.couchphone.de points to IP 212.91.252.16.

couchphone.de - robtex.com

couchphone.de

de