osstec.de - robtex.com

osstec.de

DNSSEC⚠️ Not signed
A83.138.93.15🇩🇪 HOSTNET-DE-AS83.138.64.0/18
PTRmimama.han-solo.net
NSdns.dns1.de ⭐
A2a02:2940:0:a0d1::246🇩🇪 INETWIRE-AS2a02:2940::/32 PartnerGate GmbH Wilhelm-Wagenfeld-Str. 20 80807 Muenchen Germany
PTRdns.dns1.de
A95.130.16.246🇩🇪 INETWIRE-AS95.130.16.0/21 Key-Systems GmbH / PartnerGate Liebherrstr. 22 80538 Muenchen, Germany
PTRdns.dns1.de
NSdns.dns2.de
A2a02:2940:0:a0d2::218🇩🇪 INETWIRE-AS2a02:2940::/32 PartnerGate GmbH Wilhelm-Wagenfeld-Str. 20 80807 Muenchen Germany
PTRdns.dns2.de
A95.130.17.218🇩🇪 INETWIRE-AS95.130.17.0/24 InterNetWire Communications GmbH Wilhelm-Wagenfeld-Str. 16 80807 Muenchen
PTRdns.dns2.de
NSdns.dns3.de
A2a00:11c0:e:766::2🇩🇪 ANEXIA2a00:11c0:e::/48 Internetdienstleistungs GmbH DE - Frankfurt
PTRdns.dns3.de
A217.146.22.194🇩🇪 ANEXIA217.146.22.0/24 Anexia DE - Frankfurt
PTRdns.dns3.de
NSdns.dns4.de
A2a01:4f8:192:2187::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRdns.dns4.de
A144.76.91.137🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1
PTRdns.dns4.de
MXosstec-de.mail.protection.outlook.com ⭐
A2a01:111:f403:ca27::🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-beup281cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca2d::🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca2d::1🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A2a01:111:f403:ca2d::2🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
A52.101.168.0🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-beup281cu00100.inbound.protection.outlook.com
A52.101.170.0🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A52.101.170.1🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A52.101.170.2🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
TXTv=spf1 include:_spf.mlsend.com ip4:83.138.83.247 include:spf.protection.outlo...
TXTmailerlite-domain-verification=37f936a6620023636d00a63468891a822db41eff
SOAdns.dns1.dehostmaster@domainbestellsystem.com 2026-08-07 #1

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=1786711296

Same first word

osstec.com
osstec.de

Similar names

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scoste.fr
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stecos.co.uk

DNS History

18 records (6 active, 12 former)

20162017201820192020202120222023202420252026NSdns.dns1.dedns.dns2.dedns.dns3.dedns.dns4.dens.namespace4you.dens1.wecotec.netns2.namespace4you.dens2.wecotec.netMXosstec-de.mail.protection.outlook.commail.osstec.demxlb.ispgateway.deA83.138.93.15134.119.225.230134.119.247.42217.31.82.1112a00:1158:400:407::2a2a00:1158:400:407::3e683.138.83.125
●NSdns.dns1.de2026-06-15 → 2026-08-14 · 3 obs
○ 2017-05-28 07:38:40
● 2026-06-15 13:55:12
● 2026-08-14 12:42:06
●NSdns.dns2.de2026-06-15 → 2026-08-14 · 3 obs
○ 2017-05-28 07:38:40
● 2026-06-15 13:55:12
● 2026-08-14 12:42:06
●NSdns.dns3.de2026-06-15 → 2026-08-14 · 3 obs
○ 2017-05-28 07:38:40
● 2026-06-15 13:55:12
● 2026-08-14 12:42:06
●NSdns.dns4.de2026-06-15 → 2026-08-14 · 3 obs
○ 2017-05-28 07:38:40
● 2026-06-15 13:55:12
● 2026-08-14 12:42:06
○NSns.namespace4you.de2016-07-27 → 2017-05-28 · 5 obs
○ 2016-03-21 11:26:20
● 2016-07-27 11:48:38
● 2017-05-28 07:38:40
○ 2026-06-15 13:55:12
○ 2026-08-14 12:42:06
○NSns1.wecotec.net2015-08-09 → 2016-03-21 · 4 obs
● 2015-08-09 04:31:18
● 2016-03-21 11:26:20
○ 2016-07-27 11:48:38
○ 2026-08-14 12:42:06
○NSns2.namespace4you.de2016-07-27 → 2017-05-28 · 5 obs
○ 2016-03-21 11:26:20
● 2016-07-27 11:48:38
● 2017-05-28 07:38:40
○ 2026-06-15 13:55:12
○ 2026-08-14 12:42:06
○NSns2.wecotec.net2015-08-09 → 2016-03-21 · 4 obs
● 2015-08-09 04:31:18
● 2016-03-21 11:26:20
○ 2016-07-27 11:48:38
○ 2026-08-14 12:42:06
○MXmail.osstec.de2015-08-09 → 2015-12-03 · 4 obs
● 2015-08-09 04:31:18
● 2015-12-03 18:12:14
○ 2016-03-21 11:26:20
○ 2026-08-14 12:42:06
○MXmxlb.ispgateway.de2015-08-09 → 2015-08-09 · 3 obs
● 2015-08-09 04:31:18
○ 2015-12-03 18:12:14
○ 2026-08-14 12:42:06
●MXosstec-de.mail.protection.outlook.com2016-03-21 → 2026-08-14 · 3 obs
○ 2015-12-03 18:12:14
● 2016-03-21 11:26:20
● 2026-08-14 12:42:06
○A134.119.225.2302017-05-28 → 2017-05-28 · 4 obs
○ 2016-07-27 11:48:38
● 2017-05-28 07:38:40
○ 2026-06-15 13:55:12
○ 2026-08-14 12:42:06
○A134.119.247.422016-07-27 → 2016-07-27 · 4 obs
○ 2016-03-21 11:26:20
● 2016-07-27 11:48:38
○ 2017-05-28 07:38:40
○ 2026-08-14 12:42:06
○A217.31.82.1112015-08-09 → 2016-03-21 · 4 obs
● 2015-08-09 04:31:18
● 2016-03-21 11:26:20
○ 2016-07-27 11:48:38
○ 2026-08-14 12:42:06
○A2a00:1158:400:407::2a2016-07-27 → 2016-07-27 · 4 obs
○ 2016-03-21 11:26:20
● 2016-07-27 11:48:38
○ 2017-05-28 07:38:40
○ 2026-08-14 12:42:06
○A2a00:1158:400:407::3e62017-05-28 → 2017-05-28 · 4 obs
○ 2016-07-27 11:48:38
● 2017-05-28 07:38:40
○ 2026-06-15 13:55:12
○ 2026-08-14 12:42:06
○A83.138.83.1252026-06-15 → 2026-06-15 · 3 obs
○ 2017-05-28 07:38:40
● 2026-06-15 13:55:12
○ 2026-08-14 12:42:06
●A83.138.93.152026-08-14 → 2026-08-14 · 2 obs
○ 2026-06-15 13:55:12
● 2026-08-14 12:42:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
osstec.dedns.dns1.de, dns.dns2.de, dns.dns3.de, dns.dns4.de-

✅ Authoritative Response

Server:144.76.91.137

NS records: dns.dns1.de, dns.dns2.de, dns.dns3.de, dns.dns4.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osstec.de (unsigned zone)

⏱️ Timing

Total: 3996ms | Queries: -

📄 Records

TypeCountSample Data
A183.138.93.15
NS4dns.dns2.de, dns.dns4.de...
MX1osstec-de.mail.protection.outlook.com (p
TXT2v=spf1 include:_spf.mlsend.com ip4:83.13, mailerlite-domain-verification=37f936a66
SOA1dns.dns1.de hostmaster.domainbestellsyst

Analysis

IP Addresses

osstec.de has exactly one IP address — 83.138.93.15.

Among the host names that share IP numbers with osstec.de is theyogaloft.de, as one example.

Name Servers

Four name servers handle the delegation for osstec.de: dns.dns1.de, dns.dns2.de, dns.dns3.de and dns.dns4.de.

osstec.de has at least partial name server overlap with other domains, such as x2-voice.info, zahnleiter.net, hba1c.me and two others.

dns.dns1.de, dns.dns2.de, dns.dns3.de and dns.dns4.de all point to exactly two IP numbers each: dns.dns1.de → 95.130.16.246 and 2a02:2940:0:a0d1::246; dns.dns2.de → 95.130.17.218 and 2a02:2940:0:a0d2::218; dns.dns3.de → 217.146.22.194 and 2a00:11c0:e:766::2; dns.dns4.de → 144.76.91.137 and 2a01:4f8:192:2187::2.

Mail Servers

osstec.de uses one mail server — osstec-de.mail.protection.outlook.com.

osstec-de.mail.protection.outlook.com has 8 IP addresses: 52.101.168.0, 52.101.170.0, 52.101.170.1 plus 5 more.