classicroom.dk - robtex.com

classicroom.dk

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:4a99🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:cbde🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.153Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.222🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbetty.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a4b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbetty.ns.cloudflare.com
A2803:f800:50::6ca2:c04b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbetty.ns.cloudflare.com
A2a06:98c1:50::ac40:204b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbetty.ns.cloudflare.com
A108.162.192.75🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbetty.ns.cloudflare.com
A172.64.32.75🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbetty.ns.cloudflare.com
A173.245.58.75🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbetty.ns.cloudflare.com
NSgordon.ns.cloudflare.com
A2606:4700:58::adf5:3baa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A2803:f800:50::6ca2:c1aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgordon.ns.cloudflare.com
A2a06:98c1:50::ac40:21aa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgordon.ns.cloudflare.com
A108.162.193.170🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A172.64.33.170🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A173.245.59.170🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.74.153, 172.67.203.222
IPv62606:4700:3030::6815:4a99, 2606:4700:3031::ac43:cbde
SOAbetty.ns.cloudflare.comdns@cloudflare.com serial=2396729590

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk ⭐
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1774173241localtime Sun Mar 22 10:54:01 2026gmtime Sun Ma...
SOAb.nic.dktech@punktum.dk serial=1774173241
WOT: SAFE (68/100)

Subdomains

www.classicroom.dk

Same first word

classicroom.dk

Similar names

solarcosmic.com

DNS History

11 records (6 active, 5 former)

200920112013201520172019202120232025NSbetty.ns.cloudflare.comgordon.ns.cloudflare.comns.talkactive.netns2.talkactive.netvennely.jth.netMXmail.classicroom.dkA104.21.74.153172.67.203.2222606:4700:3030::6815:4a992606:4700:3031::ac43:cbde195.128.175.2
●NSbetty.ns.cloudflare.com2026-03-12 → 2026-03-22 · 3 obs
○ 2015-10-29 04:07:52
● 2026-03-12 22:06:14
● 2026-03-22 14:34:14
●NSgordon.ns.cloudflare.com2026-03-12 → 2026-03-22 · 3 obs
○ 2015-10-29 04:07:52
● 2026-03-12 22:06:14
● 2026-03-22 14:34:14
○NSns.talkactive.net2008-09-10 → 2008-09-10 · 3 obs
● 2008-09-10 12:34:32
○ 2015-10-29 04:07:52
○ 2026-03-22 14:34:14
○NSns2.talkactive.net2008-09-10 → 2008-09-10 · 3 obs
● 2008-09-10 12:34:32
○ 2015-10-29 04:07:52
○ 2026-03-22 14:34:14
○NSvennely.jth.net2008-09-10 → 2008-09-10 · 3 obs
● 2008-09-10 12:34:32
○ 2015-10-29 04:07:52
○ 2026-03-22 14:34:14
○MXmail.classicroom.dk2008-09-10 → 2008-09-10 · 3 obs
● 2008-09-10 12:34:32
○ 2015-10-29 04:07:52
○ 2026-03-22 14:34:14
●A104.21.74.1532026-03-12 → 2026-03-22 · 3 obs
○ 2015-10-29 04:07:52
● 2026-03-12 22:06:14
● 2026-03-22 14:34:14
●A172.67.203.2222026-03-12 → 2026-03-22 · 3 obs
○ 2015-10-29 04:07:52
● 2026-03-12 22:06:14
● 2026-03-22 14:34:14
○A195.128.175.22008-09-10 → 2008-09-10 · 3 obs
● 2008-09-10 12:34:32
○ 2015-10-29 04:07:52
○ 2026-03-22 14:34:14
●A2606:4700:3030::6815:4a992026-03-12 → 2026-03-22 · 3 obs
○ 2015-10-29 04:07:52
● 2026-03-12 22:06:14
● 2026-03-22 14:34:14
●A2606:4700:3031::ac43:cbde2026-03-12 → 2026-03-22 · 3 obs
○ 2015-10-29 04:07:52
● 2026-03-12 22:06:14
● 2026-03-22 14:34:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...-
classicroom.dkbetty.ns.cloudflare.com, gordon.ns.cloudflare.com-

✅ Authoritative Response

Server: 108.162.193.170

NS records: betty.ns.cloudflare.com, gordon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classicroom.dk (unsigned zone)

⏱️ Timing

Total: 816ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.74.153, 172.67.203.222
AAAA22606:4700:3030::6815:4a99, 2606:4700:3031::ac43:cbde
NS2betty.ns.cloudflare.com, gordon.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1betty.ns.cloudflare.com dns.cloudflare.c

Analysis

Hierarchy

The parent of www.classicroom.dk is classicroom.dk.

IP Addresses

classicroom.dk maps to four IP numbers: 2606:4700:3030::6815:4a99, 2606:4700:3031::ac43:cbde, 104.21.74.153 and 172.67.203.222.

Other host names such as outdoorhunt.net, sony-center.com, belotecentral.com, ibecamethemalelead.com and panaderias.net share IPs with classicroom.dk.

Name Servers

Two name servers betty.ns.cloudflare.com and gordon.ns.cloudflare.com handle the delegation for classicroom.dk.

classicroom.dk shares the same name server setup as other domains, for example fastvideo.dk, birthinjurylawyer.com, sad.run, benspaend.dk and brettenny.com.

classicroom.dk at least partially shares name servers with other domains, for example 23win.webcam, smart-inc.ru, expressblackcard.com, rickfoleypi.com and phline.net.

These name servers are often used together with piotr.ns.cloudflare.com and aspen.ns.cloudflare.com.

Host names with six IP numbers:

betty.ns.cloudflare.com points to 2606:4700:50::adf5:3a4b, 2803:f800:50::6ca2:c04b, 2a06:98c1:50::ac40:204b, 108.162.192.75, 172.64.32.75 and 173.245.58.75.

gordon.ns.cloudflare.com points to 2606:4700:58::adf5:3baa, 2803:f800:50::6ca2:c1aa, 2a06:98c1:50::ac40:21aa, 108.162.193.170, 172.64.33.170 and 173.245.59.170.