optimizely.dk - dns.ninja

optimizely.dk

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:b4de🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:53c0🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.83.192Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.180.222🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnorah.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2646🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
A2803:f800:50::6ca2:c246🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnorah.ns.cloudflare.com
A2a06:98c1:50::ac40:2246🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnorah.ns.cloudflare.com
A108.162.194.70🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
A162.159.38.70Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
A172.64.34.70🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
NSrex.ns.cloudflare.com
A2606:4700:58::a29f:2c0d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrex.ns.cloudflare.com
A2803:f800:50::6ca2:c30d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrex.ns.cloudflare.com
A2a06:98c1:50::ac40:230d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrex.ns.cloudflare.com
A108.162.195.13🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrex.ns.cloudflare.com
A162.159.44.13Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrex.ns.cloudflare.com
A172.64.35.13🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrex.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.83.192, 172.67.180.222
IPv6 hints2606:4700:3032::ac43:b4de, 2606:4700:3037::6815:53c0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=146, name=cloudflare-ech.com
SOAnorah.ns.cloudflare.comdns@cloudflare.com serial=2408565582

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 1785598021localtime Sat Aug 1 17:27:01 2026gmtime Sat Au...
SOAb.nic.dktech@punktum.dk serial=1785597847

Same first word

optimizely.club
optimizely.org
optimizely.co.uk
optimizely.dev
optimizely.com.au
optimizely.mobi
optimizely.net
optimizely.fr
optimizely.blog
optimizely.how
optimizely.dk
optimizely.appspot.com
optimizely.s3.amazonaws.com
optimizely.com
optimizely.online
optimizely.de
optimizely.ie
optimizely.io
optimizely.workers.dev
optimizely.jp

Similar names

optimizley.com

DNS History

39 records (6 active, 33 former)

20162017201820192020202120222023202420252026NSnorah.ns.cloudflare.comrex.ns.cloudflare.comns1.nordicway.dkns1.p24.dynect.netns1.unoeuro.comns2.nordicway.dkns2.p24.dynect.netns2.unoeuro.comns3.nordicway.dkns3.p24.dynect.netns3.unoeuro.comns4.nordicway.dkns4.p24.dynect.netns4.unoeuro.comscott.ns.cloudflare.comwalk.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.commail.optimizely.dkA104.21.83.192172.67.180.2222606:4700:3032::ac43:b4de2606:4700:3037::6815:53c0104.21.36.252172.67.201.159178.63.26.153188.114.96.0188.114.97.0216.146.46.10216.146.46.112606:4700:3032::6815:24fc2606:4700:3037::ac43:c99f2a01:4f8:141:4284::22a06:98c1:3120::2a06:98c1:3121::94.231.103.26
●NSnorah.ns.cloudflare.com2026-07-05 → 2026-08-01 · 3 obs
○ 2026-07-01 08:52:12
● 2026-07-05 08:19:42
● 2026-08-01 15:35:24
○NSns1.nordicway.dk2026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-08 20:42:10
● 2026-07-01 08:52:12
○ 2026-07-05 08:19:42
○ 2026-08-01 15:35:24
○NSns1.p24.dynect.net2015-05-30 → 2016-04-01 · 4 obs
● 2015-05-30 22:34:56
● 2016-04-01 21:22:26
○ 2016-12-08 06:14:46
○ 2026-08-01 15:35:24
○NSns1.unoeuro.com2016-12-08 → 2017-04-09 · 5 obs
○ 2016-04-01 21:22:26
● 2016-12-08 06:14:46
● 2017-04-09 22:12:02
○ 2026-03-24 15:52:32
○ 2026-08-01 15:35:24
○NSns2.nordicway.dk2026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-08 20:42:10
● 2026-07-01 08:52:12
○ 2026-07-05 08:19:42
○ 2026-08-01 15:35:24
○NSns2.p24.dynect.net2015-05-30 → 2016-04-01 · 4 obs
● 2015-05-30 22:34:56
● 2016-04-01 21:22:26
○ 2016-12-08 06:14:46
○ 2026-08-01 15:35:24
○NSns2.unoeuro.com2016-12-08 → 2017-04-09 · 5 obs
○ 2016-04-01 21:22:26
● 2016-12-08 06:14:46
● 2017-04-09 22:12:02
○ 2026-03-24 15:52:32
○ 2026-08-01 15:35:24
○NSns3.nordicway.dk2026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-08 20:42:10
● 2026-07-01 08:52:12
○ 2026-07-05 08:19:42
○ 2026-08-01 15:35:24
○NSns3.p24.dynect.net2015-05-30 → 2016-04-01 · 4 obs
● 2015-05-30 22:34:56
● 2016-04-01 21:22:26
○ 2016-12-08 06:14:46
○ 2026-08-01 15:35:24
○NSns3.unoeuro.com2016-12-08 → 2017-04-09 · 5 obs
○ 2016-04-01 21:22:26
● 2016-12-08 06:14:46
● 2017-04-09 22:12:02
○ 2026-03-24 15:52:32
○ 2026-08-01 15:35:24
○NSns4.nordicway.dk2026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-08 20:42:10
● 2026-07-01 08:52:12
○ 2026-07-05 08:19:42
○ 2026-08-01 15:35:24
○NSns4.p24.dynect.net2015-05-30 → 2016-04-01 · 4 obs
● 2015-05-30 22:34:56
● 2016-04-01 21:22:26
○ 2016-12-08 06:14:46
○ 2026-08-01 15:35:24
○NSns4.unoeuro.com2016-12-08 → 2017-04-09 · 5 obs
○ 2016-04-01 21:22:26
● 2016-12-08 06:14:46
● 2017-04-09 22:12:02
○ 2026-03-24 15:52:32
○ 2026-08-01 15:35:24
●NSrex.ns.cloudflare.com2026-07-05 → 2026-08-01 · 3 obs
○ 2026-07-01 08:52:12
● 2026-07-05 08:19:42
● 2026-08-01 15:35:24
○NSscott.ns.cloudflare.com2026-03-24 → 2026-06-08 · 5 obs
○ 2017-04-09 22:12:02
● 2026-03-24 15:52:32
● 2026-06-08 20:42:10
○ 2026-07-01 08:52:12
○ 2026-08-01 15:35:24
○NSwalk.ns.cloudflare.com2026-03-24 → 2026-06-08 · 5 obs
○ 2017-04-09 22:12:02
● 2026-03-24 15:52:32
● 2026-06-08 20:42:10
○ 2026-07-01 08:52:12
○ 2026-08-01 15:35:24
○MXalt1.aspmx.l.google.com2015-05-30 → 2016-04-01 · 4 obs
● 2015-05-30 22:34:56
● 2016-04-01 21:22:26
○ 2016-12-08 06:14:46
○ 2026-08-01 15:35:24
○MXalt2.aspmx.l.google.com2015-05-30 → 2016-04-01 · 4 obs
● 2015-05-30 22:34:56
● 2016-04-01 21:22:26
○ 2016-12-08 06:14:46
○ 2026-08-01 15:35:24
○MXaspmx.l.google.com2015-05-30 → 2016-04-01 · 4 obs
● 2015-05-30 22:34:56
● 2016-04-01 21:22:26
○ 2016-12-08 06:14:46
○ 2026-08-01 15:35:24
○MXaspmx2.googlemail.com2015-05-30 → 2016-04-01 · 4 obs
● 2015-05-30 22:34:56
● 2016-04-01 21:22:26
○ 2016-12-08 06:14:46
○ 2026-08-01 15:35:24
○MXaspmx3.googlemail.com2015-05-30 → 2016-04-01 · 4 obs
● 2015-05-30 22:34:56
● 2016-04-01 21:22:26
○ 2016-12-08 06:14:46
○ 2026-08-01 15:35:24
○MXmail.optimizely.dk2026-07-01 → 2026-07-01 · 4 obs
○ 2016-12-08 06:14:46
● 2026-07-01 08:52:12
○ 2026-07-05 08:19:42
○ 2026-08-01 15:35:24
○A104.21.36.2522026-03-24 → 2026-06-08 · 8 obs
○ 2017-04-09 22:12:02
● 2026-03-24 15:52:32
● 2026-05-11 10:00:34
○ 2026-05-20 14:50:38
○ 2026-05-29 21:43:40
● 2026-06-08 20:42:10
○ 2026-07-01 08:52:12
○ 2026-08-01 15:35:24
●A104.21.83.1922026-07-16 → 2026-08-01 · 5 obs
○ 2026-07-05 08:19:42
● 2026-07-16 22:57:42
○ 2026-07-24 17:28:42
● 2026-07-26 17:09:54
● 2026-08-01 15:35:24
●A172.67.180.2222026-07-16 → 2026-08-01 · 5 obs
○ 2026-07-05 08:19:42
● 2026-07-16 22:57:42
○ 2026-07-24 17:28:42
● 2026-07-26 17:09:54
● 2026-08-01 15:35:24
○A172.67.201.1592026-03-24 → 2026-06-08 · 8 obs
○ 2017-04-09 22:12:02
● 2026-03-24 15:52:32
● 2026-05-11 10:00:34
○ 2026-05-20 14:50:38
○ 2026-05-29 21:43:40
● 2026-06-08 20:42:10
○ 2026-07-01 08:52:12
○ 2026-08-01 15:35:24
○A178.63.26.1532026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-08 20:42:10
● 2026-07-01 08:52:12
○ 2026-07-05 08:19:42
○ 2026-08-01 15:35:24
○A188.114.96.02026-05-20 → 2026-07-24 · 9 obs
○ 2026-05-11 10:00:34
● 2026-05-20 14:50:38
● 2026-05-29 21:43:40
○ 2026-06-08 20:42:10
● 2026-07-05 08:19:42
○ 2026-07-16 22:57:42
● 2026-07-24 17:28:42
○ 2026-07-26 17:09:54
○ 2026-08-01 15:35:24
○A188.114.97.02026-05-20 → 2026-07-24 · 9 obs
○ 2026-05-11 10:00:34
● 2026-05-20 14:50:38
● 2026-05-29 21:43:40
○ 2026-06-08 20:42:10
● 2026-07-05 08:19:42
○ 2026-07-16 22:57:42
● 2026-07-24 17:28:42
○ 2026-07-26 17:09:54
○ 2026-08-01 15:35:24
○A216.146.46.102015-05-30 → 2016-04-01 · 4 obs
● 2015-05-30 22:34:56
● 2016-04-01 21:22:26
○ 2016-12-08 06:14:46
○ 2026-08-01 15:35:24
○A216.146.46.112015-05-30 → 2016-04-01 · 4 obs
● 2015-05-30 22:34:56
● 2016-04-01 21:22:26
○ 2016-12-08 06:14:46
○ 2026-08-01 15:35:24
○A2606:4700:3032::6815:24fc2026-03-24 → 2026-06-08 · 8 obs
○ 2017-04-09 22:12:02
● 2026-03-24 15:52:32
● 2026-05-11 10:00:34
○ 2026-05-20 14:50:38
○ 2026-05-29 21:43:40
● 2026-06-08 20:42:10
○ 2026-07-01 08:52:12
○ 2026-08-01 15:35:24
●A2606:4700:3032::ac43:b4de2026-07-16 → 2026-08-01 · 5 obs
○ 2026-07-05 08:19:42
● 2026-07-16 22:57:42
○ 2026-07-24 17:28:42
● 2026-07-26 17:09:54
● 2026-08-01 15:35:24
●A2606:4700:3037::6815:53c02026-07-16 → 2026-08-01 · 5 obs
○ 2026-07-05 08:19:42
● 2026-07-16 22:57:42
○ 2026-07-24 17:28:42
● 2026-07-26 17:09:54
● 2026-08-01 15:35:24
○A2606:4700:3037::ac43:c99f2026-03-24 → 2026-06-08 · 8 obs
○ 2017-04-09 22:12:02
● 2026-03-24 15:52:32
● 2026-05-11 10:00:34
○ 2026-05-20 14:50:38
○ 2026-05-29 21:43:40
● 2026-06-08 20:42:10
○ 2026-07-01 08:52:12
○ 2026-08-01 15:35:24
○A2a01:4f8:141:4284::22026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-08 20:42:10
● 2026-07-01 08:52:12
○ 2026-07-05 08:19:42
○ 2026-08-01 15:35:24
○A2a06:98c1:3120::2026-05-20 → 2026-07-24 · 9 obs
○ 2026-05-11 10:00:34
● 2026-05-20 14:50:38
● 2026-05-29 21:43:40
○ 2026-06-08 20:42:10
● 2026-07-05 08:19:42
○ 2026-07-16 22:57:42
● 2026-07-24 17:28:42
○ 2026-07-26 17:09:54
○ 2026-08-01 15:35:24
○A2a06:98c1:3121::2026-05-20 → 2026-07-24 · 9 obs
○ 2026-05-11 10:00:34
● 2026-05-20 14:50:38
● 2026-05-29 21:43:40
○ 2026-06-08 20:42:10
● 2026-07-05 08:19:42
○ 2026-07-16 22:57:42
● 2026-07-24 17:28:42
○ 2026-07-26 17:09:54
○ 2026-08-01 15:35:24
○A94.231.103.262016-12-08 → 2017-04-09 · 5 obs
○ 2016-04-01 21:22:26
● 2016-12-08 06:14:46
● 2017-04-09 22:12:02
○ 2026-03-24 15:52:32
○ 2026-08-01 15:35:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...12 records
optimizely.dkrex.ns.cloudflare.com, norah.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.70

NS records: rex.ns.cloudflare.com, norah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimizely.dk (unsigned zone)

⏱️ Timing

Total: 453ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.83.192, 172.67.180.222
AAAA22606:4700:3032::ac43:b4de, 2606:4700:3037::6815:53c0
NS2norah.ns.cloudflare.com, rex.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1norah.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (b.nic.dk, b.nic.dk, h.nic.dk...)

Analysis

IP Addresses

optimizely.dk directs to four IP numbers, which are 104.21.83.192, 172.67.180.222, 2606:4700:3032::ac43:b4de and 2606:4700:3037::6815:53c0.

Among the host names that share IP numbers with optimizely.dk are matclass.ru, playzone.in.ua, pierredominique.com and two others.

Name Servers

optimizely.dk has two authoritative name servers — norah.ns.cloudflare.com and rex.ns.cloudflare.com.

optimizely.dk has the same name server delegation as a number of other domains, such as resonova.com, h8rt3rmin8r.com, technoid.biz and two more.

The name servers of optimizely.dk overlap at least partially with those of other domains — among them footwaylabs.click, stylesafari.xyz, daciaclub.ro and two more.

These name servers are routinely co-deployed with the name servers heather.ns.cloudflare.com, austin.ns.cloudflare.com, damian.ns.cloudflare.com and two others.

Host names resolving to 6 IP numbers:

norah.ns.cloudflare.com points to 108.162.194.70, 162.159.38.70, 172.64.34.70 and 3 other IP addresses.

rex.ns.cloudflare.com points to 108.162.195.13, 162.159.44.13, 172.64.35.13 and 3 other IP addresses.