3krn.at - robtex.com

3krn.at

DNSSEC⚠️ Not signed
A2606:4700:3036::ac43:b538🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:284b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.40.75Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.56🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdean.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b99🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A2803:f800:50::6ca2:c199🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdean.ns.cloudflare.com
A2a06:98c1:50::ac40:2199🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdean.ns.cloudflare.com
A108.162.193.153🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A172.64.33.153🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A173.245.59.153🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
NSliz.ns.cloudflare.com
A2606:4700:50::adf5:3abd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
A2803:f800:50::6ca2:c0bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRliz.ns.cloudflare.com
A2a06:98c1:50::ac40:20bd🇺🇸 Cloudflare2a06:98c1:50::/45
PTRliz.ns.cloudflare.com
A108.162.192.189🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
A172.64.32.189🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
A173.245.58.189🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.40.75, 172.67.181.56
IPv6 hints2606:4700:3036::ac43:b538, 2606:4700:3037::6815:284b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=6, name=cloudflare-ech.com
SOAdean.ns.cloudflare.comdns@cloudflare.com serial=2407064751

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=1783299602

Same first word

3krn.com
3krn.at

Similar names

rnk3.com
nrk3.no
rkn3.net
k3rn.com
k3nr.com
kr3n.com
rnk3.net

DNS History

12 records (6 active, 6 former)

NSdean.ns.cloudflare.comliz.ns.cloudflare.comA104.21.40.75172.67.181.562606:4700:3036::ac43:b5382606:4700:3037::6815:284b188.114.96.0188.114.97.02606:4700:3033::ac43:b5382606:4700:3035::6815:284b2a06:98c1:3120::2a06:98c1:3121::
●NSdean.ns.cloudflare.com2026-02-27 → 2026-07-06 · 2 obs
● 2026-02-27 04:41:14
● 2026-07-06 01:35:02
●NSliz.ns.cloudflare.com2026-02-27 → 2026-07-06 · 2 obs
● 2026-02-27 04:41:14
● 2026-07-06 01:35:02
●A104.21.40.752026-02-27 → 2026-07-06 · 6 obs
● 2026-02-27 04:41:14
● 2026-03-07 09:11:50
○ 2026-03-28 08:25:00
● 2026-03-31 06:04:20
○ 2026-04-03 04:21:12
● 2026-07-06 01:35:02
●A172.67.181.562026-02-27 → 2026-07-06 · 6 obs
● 2026-02-27 04:41:14
● 2026-03-07 09:11:50
○ 2026-03-28 08:25:00
● 2026-03-31 06:04:20
○ 2026-04-03 04:21:12
● 2026-07-06 01:35:02
○A188.114.96.02026-03-28 → 2026-04-03 · 5 obs
○ 2026-03-07 09:11:50
● 2026-03-28 08:25:00
○ 2026-03-31 06:04:20
● 2026-04-03 04:21:12
○ 2026-07-06 01:35:02
○A188.114.97.02026-03-28 → 2026-04-03 · 5 obs
○ 2026-03-07 09:11:50
● 2026-03-28 08:25:00
○ 2026-03-31 06:04:20
● 2026-04-03 04:21:12
○ 2026-07-06 01:35:02
○A2606:4700:3033::ac43:b5382026-02-27 → 2026-03-31 · 6 obs
● 2026-02-27 04:41:14
● 2026-03-07 09:11:50
○ 2026-03-28 08:25:00
● 2026-03-31 06:04:20
○ 2026-04-03 04:21:12
○ 2026-07-06 01:35:02
○A2606:4700:3035::6815:284b2026-02-27 → 2026-03-31 · 6 obs
● 2026-02-27 04:41:14
● 2026-03-07 09:11:50
○ 2026-03-28 08:25:00
● 2026-03-31 06:04:20
○ 2026-04-03 04:21:12
○ 2026-07-06 01:35:02
●A2606:4700:3036::ac43:b5382026-07-06 → 2026-07-06 · 2 obs
○ 2026-04-03 04:21:12
● 2026-07-06 01:35:02
●A2606:4700:3037::6815:284b2026-07-06 → 2026-07-06 · 2 obs
○ 2026-04-03 04:21:12
● 2026-07-06 01:35:02
○A2a06:98c1:3120::2026-03-28 → 2026-04-03 · 5 obs
○ 2026-03-07 09:11:50
● 2026-03-28 08:25:00
○ 2026-03-31 06:04:20
● 2026-04-03 04:21:12
○ 2026-07-06 01:35:02
○A2a06:98c1:3121::2026-03-28 → 2026-04-03 · 5 obs
○ 2026-03-07 09:11:50
● 2026-03-28 08:25:00
○ 2026-03-31 06:04:20
● 2026-04-03 04:21:12
○ 2026-07-06 01:35:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
atj.ns.at, u.ns.at, n.ns.at, d.ns.at...-
3krn.atliz.ns.cloudflare.com, dean.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.189

NS records: liz.ns.cloudflare.com, dean.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3krn.at (unsigned zone)

⏱️ Timing

Total: 830ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.181.56, 104.21.40.75
AAAA22606:4700:3036::ac43:b538, 2606:4700:3037::6815:284b
NS2dean.ns.cloudflare.com, liz.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dean.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

3krn.at has four IP addresses: 104.21.40.75, 172.67.181.56, 2606:4700:3036::ac43:b538 and 2606:4700:3037::6815:284b.

Two other host names, along with jdzzstc.com, sahuphotographer.com and k1047.com, also share IP numbers with 3krn.at.

Name Servers

3krn.at is served by two delegated name servers, dean.ns.cloudflare.com and liz.ns.cloudflare.com.

3krn.at shares its NS records with other domains, for example esbgforum.de, kraken33.at, emja.net and two others.

3krn.at partially shares its NS delegation with several other domains, including aloapply.com, nanqimaoyi.com, brainydocuments.com and two others.

The name servers jason.ns.cloudflare.com, jessica.ns.cloudflare.com, diva.ns.cloudflare.com and zahir.ns.cloudflare.com are often found in use alongside these name servers.

DNS names with 6 IP addresses:

dean.ns.cloudflare.com carries IP addresses 108.162.193.153, 172.64.33.153 and 173.245.59.153, with 3 other addresses beyond those.

liz.ns.cloudflare.com carries IP addresses 108.162.192.189, 172.64.32.189 and 173.245.58.189, with 3 other addresses beyond those.