kostner.dev - dns.ninja

kostner.dev

DNSSEC⚠️ Not signed
A2a01:4f8:c2c:1f54::🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail.kostner.dev
A116.203.54.58🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC
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
MXmail.kostner.dev ⭐
A2a01:4f8:c2c:1f54::🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail.kostner.dev
A116.203.54.58🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC
PTRmail.kostner.dev
TXTv=spf1 +a +mx ?all
SOAns1.your-server.depostmaster@your-server.de 2026-01-16 #0

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Subdomains

matomo.kostner.dev
mail.kostner.dev

Same first word

kostner.name
kostner.cl
kostner.net
kostner.us
kostner.de
kostner.it
kostner.info
kostner.at
kostner.dev
kostner.biz

Similar names

kortsen.net
netskor.com
norteks.lv
kreston.lt
kertson.com
korsten.eu
senktor.de
kreston.ee
kreston.de
kronest.de
renkost.dk
korsten.ru
kreston.bg
kreston.co.il
kreston.es
kornets.com
netsrok.de
kosrent.com
kertons.com
orsknet.ru
kostern.com
rekston.cz
skotner.de
skroten.com
kreston.co.id
krnotes.com
nkstore.com.br
renkost.no
rteknos.eu
storenk.com
kortens.de
rstoken.com
konsert.dk
storken.dk
kreston.cz
konster.de
ketrons.com
kortsen.dk
rteknos.com
korsten.info
kreston.biz
torsken.dk
rteknos.it
kreston.lk
kreston.fr
korsnet.dk
skroten.nu
kontres.com
storken.net
korsten.org
kortens.info
kreston.vn
enstork.uk
rekonst.ru
netskor.net
rekonst.com
trosken.com
kreston.cl
skroten.ax
torsken.com
konters.com
skroten.net
kreston.ru
skornet.fr
skroten.se
korsten.com
kreston.co.uk
storken.info
notserk.com
konsert.info
kreston.ge
kreston.dk
storken.se
ontreks.com
skotner.no
kreston.net
kreston.ae
korsten.ee
storken.com
kreston.it
kreston.com.mx
kreston.ro
okrents.com
kreston.com
konster.com
kreston.org
ktensor.com
trekson.net
trosken.se
torsken.net
korsten.biz
korsten.nl
stroken.com
kreston.online
stroken.nl
rksteno.com
roksnet.com
kreston.eu
kronest.com
norteks.ru
nkstore.nl
skotner.net
stonker.com.cn
kreston.com.my
kreston.com.co
treskon.net
kreston.nl

DNS History

6 records (6 active, 0 former)

NSns.second-ns.comns1.your-server.dens3.second-ns.deMXmail.kostner.devA116.203.54.582a01:4f8:c2c:1f54::
●NSns.second-ns.com2026-06-09 → 2026-08-03 · 2 obs
● 2026-06-09 20:59:34
● 2026-08-03 15:38:42
●NSns1.your-server.de2026-06-09 → 2026-08-03 · 2 obs
● 2026-06-09 20:59:34
● 2026-08-03 15:38:42
●NSns3.second-ns.de2026-06-09 → 2026-08-03 · 2 obs
● 2026-06-09 20:59:34
● 2026-08-03 15:38:42
●MXmail.kostner.dev2026-06-09 → 2026-08-03 · 2 obs
● 2026-06-09 20:59:34
● 2026-08-03 15:38:42
●A116.203.54.582026-06-09 → 2026-08-03 · 2 obs
● 2026-06-09 20:59:34
● 2026-08-03 15:38:42
●A2a01:4f8:c2c:1f54::2026-06-09 → 2026-08-03 · 2 obs
● 2026-06-09 20:59:34
● 2026-08-03 15:38:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...-
kostner.devns3.second-ns.de, ns.second-ns.com, ns1.your-server.de-

✅ Authoritative Response

Server:213.133.100.102

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kostner.dev (unsigned zone)

⏱️ Timing

Total: 1065ms | Queries: -

📄 Records

TypeCountSample Data
A1116.203.54.58
AAAA12a01:4f8:c2c:1f54::
NS3ns.second-ns.com, ns1.your-server.de...
MX1mail.kostner.dev (pri: 10)
TXT1v=spf1 +a +mx ?all
SOA1ns1.your-server.de postmaster.your-serve

Analysis

Hierarchy

kostner.dev serves as the parent of matomo.kostner.dev and mail.kostner.dev.

IP Addresses

kostner.dev resolves to the IP addresses 116.203.54.58 and 2a01:4f8:c2c:1f54::

Host names such as matomo.kostner.dev and mail.kostner.dev share IP numbers with kostner.dev.

Name Servers

kostner.dev is served by three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

kostner.dev shares at least some of its name servers with other domains, including essen-borbeck.de, 9.8.9.8.0.f.0.0.f.f.4.0.1.0.a.2.ip6.arpa, waffenladen24.de and two others.

The hostnames ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de each direct to two IP addresses — ns.second-ns.com to 213.239.204.242 and 2a01:4f8:0:a101::b:1, ns3.second-ns.de to 193.47.99.4 and 2001:67c:192c::add:b3, and ns1.your-server.de to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.

Mail Servers

kostner.dev uses one mail server — mail.kostner.dev.

mail.kostner.dev points to two IP addresses: 116.203.54.58 and 2a01:4f8:c2c:1f54::.