tetzner.at - robtex.com

tetzner.at

DNSSEC⚠️ Not signed
A188.40.28.3🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1
PTRwww223.your-server.de
NSns1.your-server.de ⭐
A2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.your-server.de
A213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRns1.your-server.de
NSns.second-ns.com
A2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns.second-ns.com
A213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns.second-ns.com
NSns3.second-ns.de
A2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRns3.second-ns.de
A193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRns3.second-ns.de
MXwww223.your-server.de ⭐
A2a01:4f8:d0a:11f8::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww223.your-server.de
A188.40.28.3🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1
PTRwww223.your-server.de
TXTv=spf1 +a +mx ?all
SOAns1.your-server.depostmaster@your-server.de 2025-12-11 #0

at

DNSSEC🔒 Signed (DS record present)
NSdns.nic.at ⭐
NSd.ns.at
NSj.ns.at
NSn.ns.at
NSns1.univie.ac.at
NSns2.univie.ac.at
NSr.ns.at
NSu.ns.at
SOAdns.nic.atdomain-admin@univie.ac.at serial=1774922402

Same first word

tetzner.at
tetzner.com
tetzner.eu
tetzner.biz
tetzner.mobi

Similar names

netterz.net
trenzet.com
tretzen.com
zternet.com
zettner.photography
treznet.com
zettner.net
zettner.biz
tentzer.com
zettner.de

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSns.second-ns.comns1.your-server.dens3.second-ns.dens01.atns02.atns03.atns04.atMXwww223.your-server.demail.tetzner.atmx.tetzner.atA188.40.28.3136.243.160.23179.143.55.14
●NSns.second-ns.com2016-09-16 → 2026-03-31 · 3 obs
○ 2016-04-06 06:59:20
● 2016-09-16 17:22:46
● 2026-03-31 03:26:32
○NSns01.at2015-06-20 → 2016-04-06 · 4 obs
● 2015-06-20 21:20:46
● 2016-04-06 06:59:20
○ 2016-09-16 17:22:46
○ 2026-03-31 03:26:32
○NSns02.at2015-06-20 → 2016-04-06 · 4 obs
● 2015-06-20 21:20:46
● 2016-04-06 06:59:20
○ 2016-09-16 17:22:46
○ 2026-03-31 03:26:32
○NSns03.at2015-06-20 → 2016-04-06 · 4 obs
● 2015-06-20 21:20:46
● 2016-04-06 06:59:20
○ 2016-09-16 17:22:46
○ 2026-03-31 03:26:32
○NSns04.at2015-06-20 → 2016-04-06 · 4 obs
● 2015-06-20 21:20:46
● 2016-04-06 06:59:20
○ 2016-09-16 17:22:46
○ 2026-03-31 03:26:32
●NSns1.your-server.de2016-09-16 → 2026-03-31 · 3 obs
○ 2016-04-06 06:59:20
● 2016-09-16 17:22:46
● 2026-03-31 03:26:32
●NSns3.second-ns.de2016-09-16 → 2026-03-31 · 3 obs
○ 2016-04-06 06:59:20
● 2016-09-16 17:22:46
● 2026-03-31 03:26:32
○MXmail.tetzner.at2016-09-16 → 2017-05-27 · 5 obs
○ 2016-04-06 06:59:20
● 2016-09-16 17:22:46
● 2017-05-27 13:01:54
○ 2026-02-28 20:12:38
○ 2026-03-31 03:26:32
○MXmx.tetzner.at2015-06-20 → 2016-04-06 · 4 obs
● 2015-06-20 21:20:46
● 2016-04-06 06:59:20
○ 2016-09-16 17:22:46
○ 2026-03-31 03:26:32
●MXwww223.your-server.de2026-02-28 → 2026-03-31 · 3 obs
○ 2017-05-27 13:01:54
● 2026-02-28 20:12:38
● 2026-03-31 03:26:32
○A136.243.160.2312016-09-16 → 2017-05-27 · 5 obs
○ 2016-04-06 06:59:20
● 2016-09-16 17:22:46
● 2017-05-27 13:01:54
○ 2026-02-28 20:12:38
○ 2026-03-31 03:26:32
●A188.40.28.32026-02-28 → 2026-03-31 · 3 obs
○ 2017-05-27 13:01:54
● 2026-02-28 20:12:38
● 2026-03-31 03:26:32
○A79.143.55.142015-06-20 → 2016-04-06 · 4 obs
● 2015-06-20 21:20:46
● 2016-04-06 06:59:20
○ 2016-09-16 17:22:46
○ 2026-03-31 03:26:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
atns1.univie.ac.at, d.ns.at, j.ns.at, n.ns.at...-
tetzner.atns.second-ns.com, ns1.your-server.de, ns3.second-ns.de-

✅ Authoritative Response

Server:213.239.204.242

NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tetzner.at (unsigned zone)

⏱️ Timing

Total: 539ms | Queries: -

📄 Records

TypeCountSample Data
A1188.40.28.3
NS3ns3.second-ns.de, ns.second-ns.com...
MX1www223.your-server.de (pri: 10)
TXT1v=spf1 +a +mx ?all
SOA1ns1.your-server.de postmaster.your-serve

Analysis

IP Addresses

tetzner.at resolves to a single IP address: 188.40.28.3.

Other host names including mail.projekt90.de, ehe-kurs.de, trueffel.at, rmajer.de and mail.real-friends.de share IP numbers with tetzner.at.

Name Servers

tetzner.at is delegated to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

tetzner.at at least partially shares name servers with other domains, including balimo.org, applecenter.at, safe-lounge.com, inno.sk and familienrecht-mietrecht.de.

these name servers are commonly used together with hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

Host names with two IP numbers:

ns.second-ns.com points to: 2a01:4f8:0:a101::b:1 and 213.239.204.242

ns3.second-ns.de points to: 2001:67c:192c::add:b3 and 193.47.99.4

ns1.your-server.de points to: 2a01:4f8:0:1::5ddc:1 and 213.133.100.102

Mail Servers

tetzner.at is handled by a single mail server, www223.your-server.de.

tetzner.at shares its mail server setup with other domains, including gpgrant.com, onlidis.de, mirrorme.de, reginacarmeli.nl and ikupi.net.

www223.your-server.de points to two IPs: 2a01:4f8:d0a:11f8::2 and 188.40.28.3.