`c4dtools.de`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1064::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`w00.rzone.de`
A	81.169.145.64^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`docks07.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:7^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks07.rzone.de`
		A	217.160.80.134^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks07.rzone.de`
NS	`shades10.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:137^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`shades10.rzone.de`
		A	185.132.34.137^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades10.rzone.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtpin.rzone.de`
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
SOA	`docks07.rzone.de`hostmaster@strato-rz.de 2020-05-26 #5

`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=1774786346

Same first word

c4dtools.net

c4dtools.de

c4dtools.com

DNS History

8 records (5 active, 3 former)

●NSdocks07.rzone.de2015-08-03 → 2026-03-29 · 2 obs

● 2015-08-03 18:37:48
● 2026-03-29 12:21:10

●NSshades10.rzone.de2015-08-03 → 2026-03-29 · 2 obs

● 2015-08-03 18:37:48
● 2026-03-29 12:21:10

○MXsmtp.rzone.de2015-08-03 → 2016-10-18 · 4 obs

● 2015-08-03 18:37:48
● 2016-10-18 20:12:14
○ 2018-05-24 13:09:30
○ 2026-03-29 12:21:10

●MXsmtpin.rzone.de2018-05-24 → 2026-03-29 · 3 obs

○ 2016-10-18 20:12:14
● 2018-05-24 13:09:30
● 2026-03-29 12:21:10

●A2a01:238:20a:202:1064::2026-03-29 → 2026-03-29 · 2 obs

○ 2018-05-24 13:09:30
● 2026-03-29 12:21:10

○A2a01:238:20a:202:1091::2015-08-03 → 2018-05-24 · 3 obs

● 2015-08-03 18:37:48
● 2018-05-24 13:09:30
○ 2026-03-29 12:21:10

●A81.169.145.642026-03-29 → 2026-03-29 · 2 obs

○ 2018-05-24 13:09:30
● 2026-03-29 12:21:10

○A81.169.145.912015-08-03 → 2018-05-24 · 3 obs

● 2015-08-03 18:37:48
● 2018-05-24 13:09:30
○ 2026-03-29 12:21:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
c4dtools.de	docks07.rzone.de, shades10.rzone.de	-

✅ Authoritative Response

Server:217.160.80.134

NS records: docks07.rzone.de, shades10.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c4dtools.de (unsigned zone)

⏱️ Timing

Total: 997ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.64`
AAAA	1	`2a01:238:20a:202:1064::`
NS	2	`shades10.rzone.de, docks07.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`docks07.rzone.de hostmaster.strato-rz.de`

Analysis

IP Addresses

Two IP numbers are pointed to by c4dtools.de: 2a01:238:20a:202:1064:: and 81.169.145.64.

other host names include cyberinterface.eu, reber.de, rechtsreporte.de, gerion.de and hogas.ch; they share IP numbers with c4dtools.de.

Name Servers

Two name servers docks07.rzone.de and shades10.rzone.de handle the delegation for c4dtools.de.

c4dtools.de shares the same name server setup as other domains, for instance kueller.net, zaps.de, kthf.de, 28i.de and street-art.photography.

c4dtools.de at least partially shares name servers with other domains, for instance eg-online.de, bn-mail.de, mteboul.fr, mtk-systemhaus.de and mcsteinweg.com.

these name servers are commonly used with docks06.rzone.de, docks02.rzone.de, shades05.rzone.de, shades19.rzone.de, docks01.rzone.de, shades03.rzone.de, shades01.rzone.de, docks15.rzone.de, docks16.rzone.de and docks18.rzone.de.

Host names with two IP numbers:

docks07.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:7 and 217.160.80.134.

shades10.rzone.de points to 2607:f1c0:fe:53:185:132:34:137 and 185.132.34.137.

Mail Servers

c4dtools.de is handled by a single mail server, smtpin.rzone.de.

c4dtools.de uses the same mail server setup as other domains, for instance *.bda-akg.de, sokrates.com, mail.ratgeber-ofen.com, axis-media.de and weihnostern.eu.

c4dtools.de shares at least some mail servers with other domains, for instance kulturlese.com.

smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

c4dtools.de - robtex.com

c4dtools.de

de