kontronn.com - robtex.com

kontronn.com

DNSSEC⚠️ Not signed
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
TXTv=spf1 -all
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-02-17 #3

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=1774618777

Same first word

kontronn.com

DNS History

13 records (3 active, 10 former)

2017201820192020202120222023202420252026NShelium.ns.hetzner.dehydrogen.ns.hetzner.comoxygen.ns.hetzner.comns.second-ns.comns1.your-server.dens3.second-ns.dens8515.hostgator.comns8516.hostgator.comMXmail.kontronn.comwww4.your-server.deA108.167.173.412a01:4f8:d0a:27bd::288.198.219.246
●NShelium.ns.hetzner.de2026-03-27 → 2026-03-27 · 2 obs
○ 2017-08-31 13:19:02
● 2026-03-27 14:03:20
●NShydrogen.ns.hetzner.com2026-03-27 → 2026-03-27 · 2 obs
○ 2017-08-31 13:19:02
● 2026-03-27 14:03:20
○NSns.second-ns.com2026-03-27 → 2026-03-27 · 1 obs
○ 2026-03-27 14:03:20
○NSns1.your-server.de2026-03-27 → 2026-03-27 · 1 obs
○ 2026-03-27 14:03:20
○NSns3.second-ns.de2026-03-27 → 2026-03-27 · 1 obs
○ 2026-03-27 14:03:20
○NSns8515.hostgator.com2016-12-18 → 2017-08-31 · 3 obs
● 2016-12-18 20:40:40
● 2017-08-31 13:19:02
○ 2026-03-27 14:03:20
○NSns8516.hostgator.com2016-12-18 → 2017-08-31 · 3 obs
● 2016-12-18 20:40:40
● 2017-08-31 13:19:02
○ 2026-03-27 14:03:20
●NSoxygen.ns.hetzner.com2026-03-27 → 2026-03-27 · 2 obs
○ 2017-08-31 13:19:02
● 2026-03-27 14:03:20
○MXmail.kontronn.com2016-12-18 → 2017-08-31 · 3 obs
● 2016-12-18 20:40:40
● 2017-08-31 13:19:02
○ 2026-03-27 14:03:20
○MXwww4.your-server.de2026-03-27 → 2026-03-27 · 1 obs
○ 2026-03-27 14:03:20
○A108.167.173.412016-12-18 → 2017-08-31 · 3 obs
● 2016-12-18 20:40:40
● 2017-08-31 13:19:02
○ 2026-03-27 14:03:20
○A2a01:4f8:d0a:27bd::22026-03-27 → 2026-03-27 · 1 obs
○ 2026-03-27 14:03:20
○A88.198.219.2462026-03-27 → 2026-03-27 · 1 obs
○ 2026-03-27 14:03:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...-
kontronn.comhelium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com2 records

✅ Authoritative Response

Server:193.47.99.5

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

No DNSKEY for kontronn.com

⏱️ Timing

Total: 1394ms | Queries: -

📄 Records

TypeCountSample Data
NS3helium.ns.hetzner.de, hydrogen.ns.hetzner.com...
TXT1v=spf1 -all
SOA1hydrogen.ns.hetzner.com dns.hetzner.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com)

Analysis

Name Servers

kontronn.com is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

At least part of the name servers for kontronn.com are shared with other domains, for instance youmoto.com, morebook.de, quickhandys.de, studioritz.fi and ntpgmbh.de.

These name servers are commonly used alongside the name servers ns1.first-ns.de.

Host names with two IP numbers:

hydrogen.ns.hetzner.com points to 2a01:4f8:0:1::add:1098 and 213.133.100.98

oxygen.ns.hetzner.com points to 2a01:4f8:0:1::add:2992 and 88.198.229.192

helium.ns.hetzner.de points to 2001:67c:192c::add:5 and 193.47.99.5