classo.de - dns.ninja

classo.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1143::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.143🇩🇪 STRATO81.169.144.0/22 AG
NSdocks19.rzone.de ⭐
A2001:8d8:fe:53:5747:2a74:d:19🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks19.rzone.de
A217.160.80.146🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks19.rzone.de
NSshades01.rzone.de
A2607:f1c0:fe:53:185:132:34:128🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades01.rzone.de
A185.132.34.128🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades01.rzone.de
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de
SOAdocks19.rzone.dehostmaster@strato-rz.de 2020-08-02 #16

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=1783857134

Same first word

classo.com
classo.be
classo.me
classo.de
classo.net
classo.ai
classo.ru
classo.pe

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soscal.com
clossa.com
cassol.org
slacos.com
scalos.de
oclass.net
loscas.com
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colass.com
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salcos.it
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oclass.app
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lascos.com.ua

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSdocks19.rzone.deshades01.rzone.dens.stratoserver.netns2.stratoserver.netMXsmtpin.rzone.declasso.deA2a01:238:20a:202:1143::81.169.145.14385.214.193.24385.214.40.234
●NSdocks19.rzone.de2026-07-12 → 2026-07-12 · 3 obs
○ 2016-12-19 14:47:28
● 2026-07-12 12:08:14
● 2026-07-12 12:08:16
○NSns.stratoserver.net2015-07-16 → 2016-12-19 · 4 obs
● 2015-07-16 10:12:50
● 2016-12-19 14:47:28
○ 2026-07-12 12:08:14
○ 2026-07-12 12:08:16
○NSns2.stratoserver.net2015-07-16 → 2016-12-19 · 4 obs
● 2015-07-16 10:12:50
● 2016-12-19 14:47:28
○ 2026-07-12 12:08:14
○ 2026-07-12 12:08:16
●NSshades01.rzone.de2026-07-12 → 2026-07-12 · 3 obs
○ 2016-12-19 14:47:28
● 2026-07-12 12:08:14
● 2026-07-12 12:08:16
○MXclasso.de2015-07-16 → 2016-12-19 · 4 obs
● 2015-07-16 10:12:50
● 2016-12-19 14:47:28
○ 2026-07-12 12:08:14
○ 2026-07-12 12:08:16
●MXsmtpin.rzone.de2026-07-12 → 2026-07-12 · 3 obs
○ 2016-12-19 14:47:28
● 2026-07-12 12:08:14
● 2026-07-12 12:08:16
●A2a01:238:20a:202:1143::2026-07-12 → 2026-07-12 · 3 obs
○ 2016-12-19 14:47:28
● 2026-07-12 12:08:14
● 2026-07-12 12:08:16
●A81.169.145.1432026-07-12 → 2026-07-12 · 3 obs
○ 2016-12-19 14:47:28
● 2026-07-12 12:08:14
● 2026-07-12 12:08:16
○A85.214.193.2432015-07-16 → 2015-07-16 · 3 obs
● 2015-07-16 10:12:50
○ 2015-11-17 16:22:36
○ 2026-07-12 12:08:16
○A85.214.40.2342015-11-17 → 2016-12-19 · 5 obs
○ 2015-07-16 10:12:50
● 2015-11-17 16:22:36
● 2016-12-19 14:47:28
○ 2026-07-12 12:08:14
○ 2026-07-12 12:08:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
classo.dedocks19.rzone.de, shades01.rzone.de-

✅ Authoritative Response

Server:217.160.80.146

NS records: docks19.rzone.de, shades01.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classo.de (unsigned zone)

⏱️ Timing

Total: 1801ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.143
AAAA12a01:238:20a:202:1143::
NS2docks19.rzone.de, shades01.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1docks19.rzone.de hostmaster.strato-rz.de

Analysis

IP Addresses

classo.de directs to two IP numbers, 81.169.145.143 and 2a01:238:20a:202:1143::

Among the host names that share IP numbers with classo.de are ff-thalheim.com, vioplan.com, pizzeria-media.de and two others.

Name Servers

The NS records for classo.de delegate to docks19.rzone.de and shades01.rzone.de.

classo.de has the same name server delegation as a number of other domains, such as hopfenmail.de, mpfeifer.de, talija.de and two more.

classo.de partially shares its NS delegation with several other domains, including rechtsanwalt-helser.de, regeo.de, dehmer.de and two others.

In DNS configurations, these name servers often share authority with shades14.rzone.de, shades13.rzone.de, docks03.rzone.de and 7 other name servers.

docks19.rzone.de resolves to 217.160.80.146 and 2001:8d8:fe:53:5747:2a74:d:19. Likewise, shades01.rzone.de resolves to 185.132.34.128 and 2607:f1c0:fe:53:185:132:34:128 — two IP addresses apiece.

Mail Servers

classo.de routes its mail through a single mail server, smtpin.rzone.de.

classo.de has the same mail server arrangement as a number of other domains, for example zitas.eu, mbevo.com, bedachungen-pyka.de and two more.

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