`fit4school.de`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1064::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
A	81.169.145.64^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`docks12.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:12^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks12.rzone.de`
		A	217.160.80.139^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks12.rzone.de`
NS	`shades08.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:135^{🇺🇸 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	`shades08.rzone.de`
		A	185.132.34.135^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades08.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	`docks12.rzone.de`hostmaster@strato-rz.de 2020-05-24 #6

`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=1777042057

Same first word

fit4school.eu

fit4school.net

fit4school.com

fit4school.at

fit4school.org

fit4school.ch

fit4school.de

fit4school.info

DNS History

8 records (5 active, 3 former)

●NSdocks12.rzone.de2015-07-24 → 2026-04-24 · 2 obs

● 2015-07-24 03:30:24
● 2026-04-24 14:56:48

●NSshades08.rzone.de2015-07-24 → 2026-04-24 · 2 obs

● 2015-07-24 03:30:24
● 2026-04-24 14:56:48

○MXsmtp.rzone.de2015-07-24 → 2016-03-18 · 4 obs

● 2015-07-24 03:30:24
● 2016-03-18 02:50:46
○ 2016-09-16 07:00:40
○ 2026-04-24 14:56:48

●MXsmtpin.rzone.de2016-09-16 → 2026-04-24 · 3 obs

○ 2016-03-18 02:50:46
● 2016-09-16 07:00:40
● 2026-04-24 14:56:48

●A2a01:238:20a:202:1064::2026-03-01 → 2026-04-24 · 3 obs

○ 2016-09-16 07:00:40
● 2026-03-01 12:57:10
● 2026-04-24 14:56:48

○A2a01:238:20a:202:1169::2015-07-24 → 2016-09-16 · 4 obs

● 2015-07-24 03:30:24
● 2016-09-16 07:00:40
○ 2026-03-01 12:57:10
○ 2026-04-24 14:56:48

○A81.169.145.1692015-07-24 → 2016-09-16 · 4 obs

● 2015-07-24 03:30:24
● 2016-09-16 07:00:40
○ 2026-03-01 12:57:10
○ 2026-04-24 14:56:48

●A81.169.145.642026-03-01 → 2026-04-24 · 3 obs

○ 2016-09-16 07:00:40
● 2026-03-01 12:57:10
● 2026-04-24 14:56:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
fit4school.de	shades08.rzone.de, docks12.rzone.de	-

✅ Authoritative Response

Server:185.132.34.135

NS records: shades08.rzone.de, docks12.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fit4school.de (unsigned zone)

⏱️ Timing

Total: 1018ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.64`
AAAA	1	`2a01:238:20a:202:1064::`
NS	2	`shades08.rzone.de, docks12.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`docks12.rzone.de hostmaster.strato-rz.de`

Analysis

IP Addresses

fit4school.de points to two IP numbers: 2a01:238:20a:202:1064:: and 81.169.145.64.

Other host names such as dayprice.eu, berlin-taxiboot.de, verfolgt.de, softproc.net and ou-kurs.de share IP numbers with fit4school.de.

Name Servers

fit4school.de is delegated to two name servers: docks12.rzone.de and shades08.rzone.de.

fit4school.de uses the same name server setup as other domains, including askbon.com, erdstamm.de, depressionex.com, zilverwijs.net and ofenkoehler.de.

At least part of the name servers for fit4school.de are shared with other domains, for instance bla-bonn.de, fugel.net, crays.org, urgift.de and agu-art.de.

these name servers are commonly used with the name servers docks06.rzone.de, docks03.rzone.de, shades19.rzone.de, shades07.rzone.de, shades11.rzone.de, shades17.rzone.de, docks07.rzone.de, docks11.rzone.de, docks15.rzone.de and shades09.rzone.de.

Host names with two IP numbers:

docks12.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:12 and 217.160.80.139.

shades08.rzone.de points to 2607:f1c0:fe:53:185:132:34:135 and 185.132.34.135.

Mail Servers

The mail server for fit4school.de is smtpin.rzone.de.

fit4school.de uses the same mail server setup as other domains, for instance klosterberg.de, app.retain.cards, fr-mail.de, durit.com and brokerteam.de.

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

fit4school.de - robtex.com

fit4school.de

de