k.sper.dk - robtex.com

k.sper.dk

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:7a4🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:88f6🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.7.164Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.136.246🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.7.164, 172.67.136.246
IPv6 hints2606:4700:3032::6815:7a4, 2606:4700:3037::ac43:88f6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com

sper.dk

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:7a4🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:88f6🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.7.164Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.136.246🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdana.ns.cloudflare.com ⭐
NSpeyton.ns.cloudflare.com
MXmx.simply.com ⭐
TXTv=spf1 include:spf.simply.com ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.7.164, 172.67.136.246
IPv6 hints2606:4700:3032::6815:7a4, 2606:4700:3037::ac43:88f6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com
SOAdana.ns.cloudflare.comdns@cloudflare.com serial=2398509495

Same first word

k.cc
k.vu
k.or.at
k.com.cn
k.sd.cn
k.sk
k.com.mx
k.af
k.de
k.club
k.cymru
k.vg
k.ventures
k.cash
k.ht
k.ai
k.ee
k.akamaiedge.net
k.tk
k.tw.cn
k.to
k.dn.ua
k.fo
k.ua
k.bio
k.co.nz
k.sh
k.mo.cn
k.hk.cn
k.me
k.fr
k.systems
k.gg
k.net.mk
k.cx
k.cn
k.sv
k.gp
k.gs.cn
k.box
k.uy
k.co.uk
k.dyndns.org
k.gd
k.fail
k.directory
k.googleapis.com
k.ke
k.st
k.ls
k.ly
k.je
k.cool
k.tl
k.hn
k.bz
k.company
k.cafe
k.nu
k.page
k.hm
k.shoes
k.fi
k.com.pl
k.is
k.ms
k.kz
k.mk
k.cm
k.gd.cn
k.io
k.com.pk
k.uk
k.gs
k.tv
k.net.ph
k.ac
k.gt
k.mr
k.ro
k.dk
k.info.pl
k.biz
k.com.vn
k.cg
k.nyc
k.im
k.cz
k.cl
k.gov.pl
k.hr
k.co.il
k.akamai.net
k.hb.cn
k.at
k.pl
k.group
k.exchange

DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026NSns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXmail17.surftown.dkA104.21.7.164172.67.136.2462606:4700:3032::6815:7a42606:4700:3037::ac43:88f6195.211.176.108CNAMEsper.dk
○NSns1.gratisdns.dk2015-11-14 → 2016-05-07 · 4 obs
● 2015-11-14 12:27:20
● 2016-05-07 06:09:44
○ 2026-02-28 07:11:08
○ 2026-04-13 01:19:48
○NSns2.gratisdns.dk2015-11-14 → 2016-05-07 · 4 obs
● 2015-11-14 12:27:20
● 2016-05-07 06:09:44
○ 2026-02-28 07:11:08
○ 2026-04-13 01:19:48
○NSns3.gratisdns.dk2015-11-14 → 2016-05-07 · 4 obs
● 2015-11-14 12:27:20
● 2016-05-07 06:09:44
○ 2026-02-28 07:11:08
○ 2026-04-13 01:19:48
○NSns4.gratisdns.dk2015-11-14 → 2016-05-07 · 4 obs
● 2015-11-14 12:27:20
● 2016-05-07 06:09:44
○ 2026-02-28 07:11:08
○ 2026-04-13 01:19:48
○NSns5.gratisdns.dk2015-11-14 → 2016-05-07 · 4 obs
● 2015-11-14 12:27:20
● 2016-05-07 06:09:44
○ 2026-02-28 07:11:08
○ 2026-04-13 01:19:48
○MXmail17.surftown.dk2015-11-14 → 2016-05-07 · 4 obs
● 2015-11-14 12:27:20
● 2016-05-07 06:09:44
○ 2026-02-28 07:11:08
○ 2026-04-13 01:19:48
●A104.21.7.1642026-02-28 → 2026-04-13 · 3 obs
○ 2016-05-07 06:09:44
● 2026-02-28 07:11:08
● 2026-04-13 01:19:48
●A172.67.136.2462026-02-28 → 2026-04-13 · 3 obs
○ 2016-05-07 06:09:44
● 2026-02-28 07:11:08
● 2026-04-13 01:19:48
○A195.211.176.1082015-07-08 → 2016-05-07 · 4 obs
● 2015-07-08 01:40:04
● 2016-05-07 06:09:44
○ 2026-02-28 07:11:08
○ 2026-04-13 01:19:48
●A2606:4700:3032::6815:7a42026-02-28 → 2026-04-13 · 3 obs
○ 2016-05-07 06:09:44
● 2026-02-28 07:11:08
● 2026-04-13 01:19:48
●A2606:4700:3037::ac43:88f62026-02-28 → 2026-04-13 · 3 obs
○ 2016-05-07 06:09:44
● 2026-02-28 07:11:08
● 2026-04-13 01:19:48
○CNAMEsper.dk2015-07-08 → 2016-05-07 · 4 obs
● 2015-07-08 01:40:04
● 2016-05-07 06:09:44
○ 2026-02-28 07:11:08
○ 2026-04-13 01:19:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
sper.dkdana.ns.cloudflare.com, peyton.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.105

NS records: dana.ns.cloudflare.com, peyton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sper.dk (unsigned zone)

⏱️ Timing

Total: 454ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.7.164, 172.67.136.246
AAAA22606:4700:3032::6815:7a4, 2606:4700:3037::ac43:88f6
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

k.sper.dk points to four IP numbers: 2606:4700:3032::6815:7a4, 2606:4700:3037::ac43:88f6, 104.21.7.164 and 172.67.136.246.

Other host names including 143.91.222.152.rdns.comvps.com, 142.91.222.13.rdns.comvps.com, 91.222.101.rdns.comvps.com, 222.203.rdns.comvps.com and 142.91.222.20.rdns.comvps.com share IP numbers with k.sper.dk.