csu-ffb.de - robtex.com

csu-ffb.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1072::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw08.rzone.de
A81.169.145.72🇩🇪 STRATO81.169.144.0/22 AG
NSshades18.rzone.de ⭐
A2607:f1c0:fe:53:185:132:34:145🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades18.rzone.de
A185.132.34.145🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades18.rzone.de
NSdocks02.rzone.de
A2001:8d8:fe:53:5747:2a74:d:2🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks02.rzone.de
A217.160.80.129🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks02.rzone.de
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de
SOAshades18.rzone.dehostmaster@strato-rz.de 2020-05-06 #19

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1774576627

Previously MX for

csu-ffb.de

Subdomains

www.csu-ffb.de
mail.csu-ffb.de

Same first word

csu-ffb.de

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSdocks02.rzone.deshades18.rzone.dens.stratoserver.netns2.stratoserver.netMXsmtpin.rzone.decsu-ffb.demail.csu-ffb.deA2a01:238:20a:202:1072::81.169.145.7281.169.166.19885.214.116.240
●NSdocks02.rzone.de2026-02-17 → 2026-03-27 · 3 obs
○ 2016-11-30 01:49:30
● 2026-02-17 23:10:24
● 2026-03-27 02:09:08
○NSns.stratoserver.net2015-08-08 → 2016-11-30 · 4 obs
● 2015-08-08 11:05:58
● 2016-11-30 01:49:30
○ 2026-02-17 23:10:24
○ 2026-03-27 02:09:08
○NSns2.stratoserver.net2015-08-08 → 2016-11-30 · 4 obs
● 2015-08-08 11:05:58
● 2016-11-30 01:49:30
○ 2026-02-17 23:10:24
○ 2026-03-27 02:09:08
●NSshades18.rzone.de2026-02-17 → 2026-03-27 · 3 obs
○ 2016-11-30 01:49:30
● 2026-02-17 23:10:24
● 2026-03-27 02:09:08
○MXcsu-ffb.de2015-08-08 → 2016-07-30 · 4 obs
● 2015-08-08 11:05:58
● 2016-07-30 08:42:20
○ 2016-11-30 01:49:30
○ 2026-03-27 02:09:08
○MXmail.csu-ffb.de2016-11-30 → 2016-11-30 · 4 obs
○ 2016-07-30 08:42:20
● 2016-11-30 01:49:30
○ 2026-02-17 23:10:24
○ 2026-03-27 02:09:08
●MXsmtpin.rzone.de2026-02-17 → 2026-03-27 · 3 obs
○ 2016-11-30 01:49:30
● 2026-02-17 23:10:24
● 2026-03-27 02:09:08
●A2a01:238:20a:202:1072::2026-02-17 → 2026-03-27 · 3 obs
○ 2016-11-30 01:49:30
● 2026-02-17 23:10:24
● 2026-03-27 02:09:08
●A81.169.145.722026-02-17 → 2026-03-27 · 3 obs
○ 2016-11-30 01:49:30
● 2026-02-17 23:10:24
● 2026-03-27 02:09:08
○A81.169.166.1982016-11-30 → 2016-11-30 · 4 obs
○ 2016-07-30 08:42:20
● 2016-11-30 01:49:30
○ 2026-02-17 23:10:24
○ 2026-03-27 02:09:08
○A85.214.116.2402015-08-08 → 2016-07-30 · 4 obs
● 2015-08-08 11:05:58
● 2016-07-30 08:42:20
○ 2016-11-30 01:49:30
○ 2026-03-27 02:09:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
csu-ffb.deshades18.rzone.de, docks02.rzone.de-

✅ Authoritative Response

Server:217.160.80.129

NS records: shades18.rzone.de, docks02.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csu-ffb.de (unsigned zone)

⏱️ Timing

Total: 1379ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.72
AAAA12a01:238:20a:202:1072::
NS2docks02.rzone.de, shades18.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1shades18.rzone.de hostmaster.strato-rz.d

Analysis

Hierarchy

csu-ffb.de is a parent of www.csu-ffb.de and mail.csu-ffb.de.

IP Addresses

csu-ffb.de points to two IP numbers: 2a01:238:20a:202:1072:: and 81.169.145.72.

Other host names such as roland-weber.com, degrin.de, trading-brief.net, pferde-auf-dem-kiebitzhof.de and tamexpo.de share IPs with csu-ffb.de.

Name Servers

Two name servers docks02.rzone.de and shades18.rzone.de handle the delegation for csu-ffb.de.

csu-ffb.de shares the same name server setup as other domains, for example cat-care.de, zt-maldaner.com, pi5.de, theodorius.de and htmr.eu.

csu-ffb.de at least partially shares name servers with other domains, for example klage.tips, peterort.de, defverse.net, reitmann.de and horisan.de.

these name servers are commonly used with the following name servers: shades06.rzone.de, docks16.rzone.de, shades10.rzone.de, docks13.rzone.de, shades14.rzone.de, shades15.rzone.de, docks15.rzone.de, docks05.rzone.de, shades20.rzone.de and shades09.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.

shades18.rzone.de points to 2607:f1c0:fe:53:185:132:34:145 and 185.132.34.145.

Mail Servers

The smtpin.rzone.de mail server handles csu-ffb.de.

csu-ffb.de shares the same mail server setup as other domains, including mailext.childwood.de, nouhi-faridani.com, mx2.red, a-gh.de and xn--bootsfhrerschein24-r6b.com.

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