ztk-comp.sk - robtex.com

ztk-comp.sk

DNSSEC⚠️ Not signed
A2a01:4f8:1c1b:699c::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail.ztk-comp.sk
A5.75.148.0🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC
NShydrogen.ns.hetzner.com ⭐
A2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRhydrogen.ns.hetzner.com
A213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRhydrogen.ns.hetzner.com
NShelium.ns.hetzner.de
A2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRhelium.ns.hetzner.de
A193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRhelium.ns.hetzner.de
NSoxygen.ns.hetzner.com
A2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRoxygen.ns.hetzner.com
A88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRoxygen.ns.hetzner.com
MXmail.ztk-comp.sk ⭐
TXTv=spf1 mx ip4:5.75.148.0 ip6:2a01:4f8:1c1b:699c::1 -all
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-07-07 #0

sk

DNSSEC🔒 Signed (DS record present)
NSm.tld.sk ⭐
NSe.tld.sk
NSf.tld.sk
NSg.tld.sk
NSh.tld.sk
SOAm.tld.skhostmaster@sk-nic.sk serial=2018594678

Subdomains

www.ztk-comp.sk
ns.ztk-comp.sk
mail.ztk-comp.sk

Same first word

ztk-comp.sk

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NShelium.ns.hetzner.dehydrogen.ns.hetzner.comoxygen.ns.hetzner.comns.forpsi.czns.forpsi.itns.forpsi.netns.ztk-comp.skMXmail.ztk-comp.skA2a01:4f8:1c1b:699c::15.75.148.088.212.11.11392.63.57.125
●NShelium.ns.hetzner.de2026-04-09 → 2026-08-05 · 3 obs
○ 2020-03-03 09:03:46
● 2026-04-09 10:19:42
● 2026-08-05 03:32:16
●NShydrogen.ns.hetzner.com2026-04-09 → 2026-08-05 · 3 obs
○ 2020-03-03 09:03:46
● 2026-04-09 10:19:42
● 2026-08-05 03:32:16
○NSns.forpsi.cz2020-03-03 → 2020-03-03 · 4 obs
○ 2017-03-25 21:07:42
● 2020-03-03 09:03:46
○ 2026-04-09 10:19:42
○ 2026-08-05 03:32:16
○NSns.forpsi.it2020-03-03 → 2020-03-03 · 4 obs
○ 2017-03-25 21:07:42
● 2020-03-03 09:03:46
○ 2026-04-09 10:19:42
○ 2026-08-05 03:32:16
○NSns.forpsi.net2020-03-03 → 2020-03-03 · 4 obs
○ 2017-03-25 21:07:42
● 2020-03-03 09:03:46
○ 2026-04-09 10:19:42
○ 2026-08-05 03:32:16
○NSns.ztk-comp.sk2015-07-07 → 2017-03-25 · 4 obs
● 2015-07-07 05:16:18
● 2017-03-25 21:07:42
○ 2020-03-03 09:03:46
○ 2026-08-05 03:32:16
●NSoxygen.ns.hetzner.com2026-04-09 → 2026-08-05 · 3 obs
○ 2020-03-03 09:03:46
● 2026-04-09 10:19:42
● 2026-08-05 03:32:16
●MXmail.ztk-comp.sk2015-07-07 → 2026-08-05 · 2 obs
● 2015-07-07 05:16:18
● 2026-08-05 03:32:16
●A2a01:4f8:1c1b:699c::12026-04-09 → 2026-08-05 · 3 obs
○ 2020-03-03 09:03:46
● 2026-04-09 10:19:42
● 2026-08-05 03:32:16
●A5.75.148.02026-04-09 → 2026-08-05 · 3 obs
○ 2020-03-03 09:03:46
● 2026-04-09 10:19:42
● 2026-08-05 03:32:16
○A88.212.11.1132015-07-07 → 2017-03-25 · 4 obs
● 2015-07-07 05:16:18
● 2017-03-25 21:07:42
○ 2020-03-03 09:03:46
○ 2026-08-05 03:32:16
○A92.63.57.1252020-03-03 → 2020-03-03 · 4 obs
○ 2017-03-25 21:07:42
● 2020-03-03 09:03:46
○ 2026-04-09 10:19:42
○ 2026-08-05 03:32:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ske.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk8 records
ztk-comp.skhydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de-

✅ Authoritative Response

Server:193.47.99.5

NS records: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ztk-comp.sk (unsigned zone)

⏱️ Timing

Total: 578ms | Queries: -

📄 Records

TypeCountSample Data
A15.75.148.0
AAAA12a01:4f8:1c1b:699c::1
NS3oxygen.ns.hetzner.com, helium.ns.hetzner.de...
MX1mail.ztk-comp.sk (pri: 10)
TXT1v=spf1 mx ip4:5.75.148.0 ip6:2a01:4f8:1c
SOA1hydrogen.ns.hetzner.com dns.hetzner.com

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (e.tld.sk, f.tld.sk, g.tld.sk...)

Analysis

Hierarchy

www.ztk-comp.sk, ns.ztk-comp.sk and mail.ztk-comp.sk are all subdomains of ztk-comp.sk.

IP Addresses

ztk-comp.sk has two IP addresses: 5.75.148.0 and 2a01:4f8:1c1b:699c::1

Name Servers

ztk-comp.sk has three name servers — hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

The name servers of ztk-comp.sk overlap at least partially with those of other domains — among them metazoa.de, initiativgruppe.de, spinetango.org and two more.

The name servers ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de are commonly seen alongside these name servers.

Each of hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de points to two IP numbers. hydrogen.ns.hetzner.com points to 213.133.100.98 and 2a01:4f8:0:1::add:1098. oxygen.ns.hetzner.com points to 88.198.229.192 and 2a01:4f8:0:1::add:2992. helium.ns.hetzner.de points to 193.47.99.5 and 2001:67c:192c::add:5.

Mail Servers

Mail for ztk-comp.sk is handled by a single mail server, mail.ztk-comp.sk.