simteach.de - dns.ninja

simteach.de

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
A217.160.0.71🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
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
NSdocks14.rzone.de
A2001:8d8:fe:53:5747:2a74:d:14🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks14.rzone.de
A217.160.80.141🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks14.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 2026-06-04 #26

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=1786279162
WOT: SAFE (60/100)

Same first word

simteach.de
simteach.xyz
simteach.com

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DNS History

19 records (5 active, 14 former)

20162017201820192020202120222023202420252026NSdocks14.rzone.deshades18.rzone.dens01.one.comns02.one.comns03.one.comMXsmtpin.rzone.demx1.pub.mailpod9-cph3.one.commx2.pub.mailpod9-cph3.one.commx3.pub.mailpod9-cph3.one.commx4.pub.mailpod9-cph3.one.commxcluster1.one.commxcluster2.one.comA2001:8d8:100f:f000::200217.160.0.712a02:2350:5:10b:804f:f247:9d32:22972a02:2350:5:10b:b8:6b07:2e55:883646.30.212.16546.30.213.10546.30.213.87
●NSdocks14.rzone.de2026-06-19 → 2026-08-09 · 3 obs
○ 2026-05-01 13:59:24
● 2026-06-19 16:46:26
● 2026-08-09 12:53:56
○NSns01.one.com2015-07-15 → 2026-05-01 · 4 obs
● 2015-07-15 23:48:58
● 2026-05-01 13:59:24
○ 2026-06-19 16:46:26
○ 2026-08-09 12:53:56
○NSns02.one.com2015-07-15 → 2026-05-01 · 4 obs
● 2015-07-15 23:48:58
● 2026-05-01 13:59:24
○ 2026-06-19 16:46:26
○ 2026-08-09 12:53:56
○NSns03.one.com2015-07-15 → 2017-01-18 · 4 obs
● 2015-07-15 23:48:58
● 2017-01-18 13:49:32
○ 2026-03-01 00:10:02
○ 2026-08-09 12:53:56
●NSshades18.rzone.de2026-06-19 → 2026-08-09 · 3 obs
○ 2026-05-01 13:59:24
● 2026-06-19 16:46:26
● 2026-08-09 12:53:56
○MXmx1.pub.mailpod9-cph3.one.com2026-03-01 → 2026-05-01 · 5 obs
○ 2017-01-18 13:49:32
● 2026-03-01 00:10:02
● 2026-05-01 13:59:24
○ 2026-06-19 16:46:26
○ 2026-08-09 12:53:56
○MXmx2.pub.mailpod9-cph3.one.com2026-03-01 → 2026-05-01 · 5 obs
○ 2017-01-18 13:49:32
● 2026-03-01 00:10:02
● 2026-05-01 13:59:24
○ 2026-06-19 16:46:26
○ 2026-08-09 12:53:56
○MXmx3.pub.mailpod9-cph3.one.com2026-03-01 → 2026-05-01 · 5 obs
○ 2017-01-18 13:49:32
● 2026-03-01 00:10:02
● 2026-05-01 13:59:24
○ 2026-06-19 16:46:26
○ 2026-08-09 12:53:56
○MXmx4.pub.mailpod9-cph3.one.com2026-03-01 → 2026-05-01 · 5 obs
○ 2017-01-18 13:49:32
● 2026-03-01 00:10:02
● 2026-05-01 13:59:24
○ 2026-06-19 16:46:26
○ 2026-08-09 12:53:56
○MXmxcluster1.one.com2015-07-15 → 2017-01-18 · 4 obs
● 2015-07-15 23:48:58
● 2017-01-18 13:49:32
○ 2026-03-01 00:10:02
○ 2026-08-09 12:53:56
○MXmxcluster2.one.com2015-07-15 → 2017-01-18 · 4 obs
● 2015-07-15 23:48:58
● 2017-01-18 13:49:32
○ 2026-03-01 00:10:02
○ 2026-08-09 12:53:56
●MXsmtpin.rzone.de2026-06-19 → 2026-08-09 · 3 obs
○ 2026-05-01 13:59:24
● 2026-06-19 16:46:26
● 2026-08-09 12:53:56
●A2001:8d8:100f:f000::2002026-06-19 → 2026-08-09 · 3 obs
○ 2026-05-01 13:59:24
● 2026-06-19 16:46:26
● 2026-08-09 12:53:56
●A217.160.0.712026-06-19 → 2026-08-09 · 3 obs
○ 2026-05-01 13:59:24
● 2026-06-19 16:46:26
● 2026-08-09 12:53:56
○A2a02:2350:5:10b:804f:f247:9d32:22972026-03-24 → 2026-05-01 · 5 obs
○ 2026-03-11 19:51:12
● 2026-03-24 04:12:38
● 2026-05-01 13:59:24
○ 2026-06-19 16:46:26
○ 2026-08-09 12:53:56
○A2a02:2350:5:10b:b8:6b07:2e55:88362026-03-01 → 2026-03-11 · 5 obs
○ 2017-01-18 13:49:32
● 2026-03-01 00:10:02
● 2026-03-11 19:51:12
○ 2026-03-24 04:12:38
○ 2026-08-09 12:53:56
○A46.30.212.1652015-07-15 → 2016-05-09 · 4 obs
● 2015-07-15 23:48:58
● 2016-05-09 10:02:08
○ 2017-01-18 13:49:32
○ 2026-08-09 12:53:56
○A46.30.213.1052017-01-18 → 2026-05-01 · 8 obs
○ 2016-05-09 10:02:08
● 2017-01-18 13:49:32
○ 2026-03-01 00:10:02
○ 2026-03-11 19:51:12
● 2026-03-24 04:12:38
● 2026-05-01 13:59:24
○ 2026-06-19 16:46:26
○ 2026-08-09 12:53:56
○A46.30.213.872026-03-01 → 2026-03-11 · 5 obs
○ 2017-01-18 13:49:32
● 2026-03-01 00:10:02
● 2026-03-11 19:51:12
○ 2026-03-24 04:12:38
○ 2026-08-09 12:53:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
simteach.dedocks14.rzone.de, shades18.rzone.de-

✅ Authoritative Response

Server:185.132.34.145

NS records: docks14.rzone.de, shades18.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simteach.de (unsigned zone)

⏱️ Timing

Total: 784ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.71
AAAA12001:8d8:100f:f000::200
NS2shades18.rzone.de, docks14.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1shades18.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

simteach.de resolves to the IP addresses 217.160.0.71 and 2001:8d8:100f:f000::200

confunktion-records.com, skantis.com, scandihaus.com and two other host names share IP numbers with simteach.de.

Name Servers

Two name servers handle the delegation for simteach.de: docks14.rzone.de and shades18.rzone.de.

simteach.de uses the same name servers as several other domains — among them robina.de, hmi-muc.de, xn--trainerbcher-klb.de and two more.

simteach.de partially shares its NS delegation with several other domains, including iwcm.de, code-solutions.de, www.wewannado.com and two others.

In DNS configurations, these name servers often share authority with docks01.rzone.de, docks15.rzone.de, docks04.rzone.de and 7 other name servers.

docks14.rzone.de and shades18.rzone.de both carry two IP addresses. The A records for docks14.rzone.de are 217.160.80.141 and 2001:8d8:fe:53:5747:2a74:d:14; the A records for shades18.rzone.de are 185.132.34.145 and 2607:f1c0:fe:53:185:132:34:145.

Mail Servers

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

simteach.de uses an identical mail server configuration to several other domains — among them ivm-dost.de, forestnet.de, remus-online.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.