`schachproblem.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	`docks02.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:2^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks02.rzone.de`
		A	217.160.80.129^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks02.rzone.de`
NS	`shades15.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:142^{🇺🇸 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	`shades15.rzone.de`
		A	185.132.34.142^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades15.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	`docks02.rzone.de`hostmaster@strato-rz.de 2020-05-05 #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=1774661655

Same first word

schachproblem.de

DNS History

8 records (5 active, 3 former)

●NSdocks02.rzone.de2015-07-24 → 2026-03-28 · 2 obs

● 2015-07-24 06:11:54
● 2026-03-28 01:40:04

●NSshades15.rzone.de2015-07-24 → 2026-03-28 · 2 obs

● 2015-07-24 06:11:54
● 2026-03-28 01:40:04

○MXsmtp.rzone.de2015-07-24 → 2019-02-25 · 4 obs

● 2015-07-24 06:11:54
● 2019-02-25 19:58:34
○ 2026-03-25 23:29:34
○ 2026-03-28 01:40:04

●MXsmtpin.rzone.de2026-03-25 → 2026-03-28 · 3 obs

○ 2019-02-25 19:58:34
● 2026-03-25 23:29:34
● 2026-03-28 01:40:04

●A2a01:238:20a:202:1064::2026-03-25 → 2026-03-28 · 3 obs

○ 2019-02-25 19:58:34
● 2026-03-25 23:29:34
● 2026-03-28 01:40:04

○A2a01:238:20a:202:1169::2015-07-24 → 2019-02-25 · 4 obs

● 2015-07-24 06:11:54
● 2019-02-25 19:58:34
○ 2026-03-25 23:29:34
○ 2026-03-28 01:40:04

○A81.169.145.1692015-07-24 → 2019-02-25 · 4 obs

● 2015-07-24 06:11:54
● 2019-02-25 19:58:34
○ 2026-03-25 23:29:34
○ 2026-03-28 01:40:04

●A81.169.145.642026-03-25 → 2026-03-28 · 3 obs

○ 2019-02-25 19:58:34
● 2026-03-25 23:29:34
● 2026-03-28 01:40:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
schachproblem.de	shades15.rzone.de, docks02.rzone.de	-

✅ Authoritative Response

Server:217.160.80.129

NS records: shades15.rzone.de, docks02.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schachproblem.de (unsigned zone)

⏱️ Timing

Total: 1300ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.64`
AAAA	1	`2a01:238:20a:202:1064::`
NS	2	`docks02.rzone.de, shades15.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`docks02.rzone.de hostmaster.strato-rz.de`

Analysis

IP Addresses

schachproblem.de points to two IP numbers: 2a01:238:20a:202:1064:: and 81.169.145.64.

Other host names, for instance haagsche-businessclub.nl, webkamera-mieten.de, cilic.de, gobxla.com and oronis.com share IP numbers with schachproblem.de.

Name Servers

schachproblem.de's delegation is to two name servers docks02.rzone.de and shades15.rzone.de.

schachproblem.de shares the same name server configuration as other domains, such as dech.de, rockwater.de, alfredmiller.de, monteyachts.com and nlp-hypnose.com.

schachproblem.de at least partially shares its name servers with other domains, for instance seg-unternehmensgruppe.de, momunity.net, nortec.de, xwolsok.de and sozkon.de.

These name servers are commonly used with shades13.rzone.de, docks12.rzone.de, docks17.rzone.de, docks18.rzone.de, shades03.rzone.de, shades04.rzone.de, shades20.rzone.de, shades12.rzone.de, shades19.rzone.de and shades06.rzone.de.

Host names with two IP numbers: docks02.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:2 and 217.160.80.129; shades15.rzone.de points to 2607:f1c0:fe:53:185:132:34:142 and 185.132.34.142

Mail Servers

schachproblem.de is served by a single mail server, smtpin.rzone.de.

schachproblem.de uses the same mail server setup as other domains such as ayre.de, lshs.de, kadenbach.de, race-manager.de and mx0.alpha-tex.com.

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

schachproblem.de - robtex.com