instructer.de - dns.ninja

`instructer.de`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1086::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
A	81.169.145.86^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`shades16.rzone.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:143^{🇺🇸 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	`shades16.rzone.de`
		A	185.132.34.143^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades16.rzone.de`
NS	`docks13.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:13^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks13.rzone.de`
		A	217.160.80.140^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks13.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	`shades16.rzone.de`hostmaster@strato-rz.de serial=2020055299

`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=1781424282

Same first word

instructer.com

instructer.de

Similar names

DNS History

7 records (5 active, 2 former)

●NSdocks13.rzone.de2015-06-27 → 2026-06-14 · 2 obs

● 2015-06-27 00:13:30
● 2026-06-14 08:24:40

●NSshades16.rzone.de2015-06-27 → 2026-06-14 · 2 obs

● 2015-06-27 00:13:30
● 2026-06-14 08:24:40

●MXsmtpin.rzone.de2015-06-27 → 2026-06-14 · 2 obs

● 2015-06-27 00:13:30
● 2026-06-14 08:24:40

○A2a01:238:20a:202:1080::2015-06-27 → 2020-02-13 · 4 obs

● 2015-06-27 00:13:30
● 2020-02-13 19:09:58
○ 2026-04-05 07:04:54
○ 2026-06-14 08:24:40

●A2a01:238:20a:202:1086::2026-04-05 → 2026-06-14 · 3 obs

○ 2020-02-13 19:09:58
● 2026-04-05 07:04:54
● 2026-06-14 08:24:40

○A81.169.145.802015-06-27 → 2020-02-13 · 4 obs

● 2015-06-27 00:13:30
● 2020-02-13 19:09:58
○ 2026-04-05 07:04:54
○ 2026-06-14 08:24:40

●A81.169.145.862026-04-05 → 2026-06-14 · 3 obs

○ 2020-02-13 19:09:58
● 2026-04-05 07:04:54
● 2026-06-14 08:24:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
instructer.de	docks13.rzone.de, shades16.rzone.de	-

✅ Authoritative Response

Server:217.160.80.140

NS records: docks13.rzone.de, shades16.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instructer.de (unsigned zone)

⏱️ Timing

Total: 947ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.86`
AAAA	1	`2a01:238:20a:202:1086::`
NS	2	`shades16.rzone.de, docks13.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`shades16.rzone.de hostmaster.strato-rz.d`

Analysis

IP Addresses

instructer.de points to two IP numbers: 81.169.145.86 and 2a01:238:20a:202:1086::.

myorga.eu, r00s.de, kliefi.de and two other host names share IP numbers with instructer.de.

Name Servers

The NS records for instructer.de delegate to docks13.rzone.de and shades16.rzone.de.

instructer.de uses the same name servers as several other domains — among them janczik.com, rac-l.com, piboot.com and two more.

instructer.de shares at least some of its name servers with other domains, including 4xm.eu, tomsielski.de, esarqos.es and two others.

These name servers are frequently seen alongside shades09.rzone.de, shades15.rzone.de, docks05.rzone.de and 7 other name servers.

docks13.rzone.de resolves to 217.160.80.140 and 2001:8d8:fe:53:5747:2a74:d:13. Likewise, shades16.rzone.de resolves to 185.132.34.143 and 2607:f1c0:fe:53:185:132:34:143 — two IP addresses apiece.

Mail Servers

Mail for instructer.de is handled by a single mail server, smtpin.rzone.de.

instructer.de uses an identical mail server configuration to several other domains — among them ich-teste.com, sysconf.info, anwaltindien.de and two more.

smtpin.rzone.de points to two IP addresses: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.