sem-tec.com - dns.ninja

sem-tec.com

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1077::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.77🇩🇪 STRATO81.169.144.0/22 AG
NSdocks18.rzone.de ⭐
A2001:8d8:fe:53:5747:2a74:d:18🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks18.rzone.de
A217.160.80.145🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks18.rzone.de
NSshades06.rzone.de
A2607:f1c0:fe:53:185:132:34:133🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades06.rzone.de
A185.132.34.133🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades06.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
SOAdocks18.rzone.dehostmaster@strato-rz.de 2024-11-29 #15

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785923789

Previously MX for

sem-tec.com
mail.sem-tec.com

Subdomains

mail.sem-tec.com

Same first word

sem-tec.com

Similar names

mtec-es.com
mse-tec.de
tec-sem.com
mes-tec.com
e-smtec.com
mes-tec.co.jp
em-tecs.com
ems-tec.net

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSdocks18.rzone.deshades06.rzone.dens1.linevast.comns2.linevast.comns3.linevast.comMXsmtpin.rzone.desem-tec.comA2a01:238:20a:202:1077::81.169.145.77185.82.22.1935.135.104.134
●NSdocks18.rzone.de2026-02-21 → 2026-08-05 · 3 obs
○ 2017-05-28 00:46:58
● 2026-02-21 18:06:22
● 2026-08-05 10:07:00
○NSns1.linevast.com2015-08-01 → 2017-05-28 · 4 obs
● 2015-08-01 15:58:28
● 2017-05-28 00:46:58
○ 2026-02-21 18:06:22
○ 2026-08-05 10:07:00
○NSns2.linevast.com2015-08-01 → 2017-05-28 · 4 obs
● 2015-08-01 15:58:28
● 2017-05-28 00:46:58
○ 2026-02-21 18:06:22
○ 2026-08-05 10:07:00
○NSns3.linevast.com2015-08-01 → 2017-05-28 · 4 obs
● 2015-08-01 15:58:28
● 2017-05-28 00:46:58
○ 2026-02-21 18:06:22
○ 2026-08-05 10:07:00
●NSshades06.rzone.de2026-02-21 → 2026-08-05 · 3 obs
○ 2017-05-28 00:46:58
● 2026-02-21 18:06:22
● 2026-08-05 10:07:00
○MXsem-tec.com2015-08-01 → 2017-05-28 · 4 obs
● 2015-08-01 15:58:28
● 2017-05-28 00:46:58
○ 2026-02-21 18:06:22
○ 2026-08-05 10:07:00
●MXsmtpin.rzone.de2026-02-21 → 2026-08-05 · 3 obs
○ 2017-05-28 00:46:58
● 2026-02-21 18:06:22
● 2026-08-05 10:07:00
○A185.82.22.1932016-10-30 → 2017-05-28 · 5 obs
○ 2016-09-09 08:19:36
● 2016-10-30 11:36:28
● 2017-05-28 00:46:58
○ 2026-02-21 18:06:22
○ 2026-08-05 10:07:00
●A2a01:238:20a:202:1077::2026-02-21 → 2026-08-05 · 3 obs
○ 2017-05-28 00:46:58
● 2026-02-21 18:06:22
● 2026-08-05 10:07:00
○A5.135.104.1342015-08-01 → 2016-09-09 · 4 obs
● 2015-08-01 15:58:28
● 2016-09-09 08:19:36
○ 2016-10-30 11:36:28
○ 2026-08-05 10:07:00
●A81.169.145.772026-02-21 → 2026-08-05 · 3 obs
○ 2017-05-28 00:46:58
● 2026-02-21 18:06:22
● 2026-08-05 10:07:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
sem-tec.comshades06.rzone.de, docks18.rzone.de-

✅ Authoritative Response

Server:217.160.80.145

NS records: shades06.rzone.de, docks18.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sem-tec.com (unsigned zone)

⏱️ Timing

Total: 463ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.77
AAAA12a01:238:20a:202:1077::
NS2shades06.rzone.de, docks18.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1docks18.rzone.de hostmaster.strato-rz.de

Analysis

Hierarchy

mail.sem-tec.com is delegated beneath sem-tec.com.

IP Addresses

sem-tec.com points to the IP addresses 81.169.145.77 and 2a01:238:20a:202:1077::

Additional host names — dibeco.de, obraun.de, vavido.de and two others — share IP numbers with sem-tec.com.

Name Servers

sem-tec.com uses two name servers for its delegation: docks18.rzone.de and shades06.rzone.de.

sem-tec.com shares its name server setup with other domains, including reifen-matze.de, fluessigbodenconsult.com, schmitzteichmann.de and two others.

There is at least partial name server overlap between sem-tec.com and other domains — ceri-gr.de, bsimmo.de, dynaprog.net and two more among them.

These name servers regularly appear alongside shades04.rzone.de, docks15.rzone.de, shades11.rzone.de and 7 other name servers in NS record sets.

The two host names docks18.rzone.de and shades06.rzone.de each have a pair of IP addresses: docks18.rzone.de has 217.160.80.145 and 2001:8d8:fe:53:5747:2a74:d:18, and shades06.rzone.de has 185.132.34.133 and 2607:f1c0:fe:53:185:132:34:133.

Mail Servers

sem-tec.com has one mail server: smtpin.rzone.de.

sem-tec.com shares the same mail server setup as other domains, including schmuckwerkstatt-helmes.de, fliesenfinder.com, atrium-service.de and two others.

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