citizen21.dk

📜 Historical scan 2026-10-20 12:50:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

citizen21.dk is a .dk domain served by 2 nameservers (clara.ns.cloudflare.com, todd.ns.cloudflare.com). It was registered on 15 November 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.45.92 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 117ms

Nameserver	IP addresses	PTR	ASN / ISP
clara.ns.cloudflare.com	108.162.194.219 162.159.38.219 172.64.34.219 2606:4700:50::a29f:26db 2803:f800:50::6ca2:c2db 2a06:98c1:50::ac40:22db	clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
todd.ns.cloudflare.com	108.162.193.146 172.64.33.146 173.245.59.146 2606:4700:58::adf5:3b92 2803:f800:50::6ca2:c192 2a06:98c1:50::ac40:2192	todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 106ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.45.92	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.212.171	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 120ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2d5c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:d4ab	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 92ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.45.92,172.67.212.171 ech=AEX+DQBBXAAgACBlZTWGoFpY/zVidAfLbUXorG9pbxOqSqzVUhRTw/TDXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2d5c,2606:4700:3031::ac43:d4ab

📝 TXT Records#

1 records 575ms

TXT Record
google-site-verification=2gN7H7Cb3u3RiqLj5VqgRKqC3mk-LkvU-W6DpQimRWA

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 13:19:40

www	104.21.45.92 172.67.212.171 2606:4700:3031::6815:2d5c 2606:4700:3031::ac43:d4ab (AS13335) (address records, no CNAME)
www vs bare domain	Same network citizen21.dk: 104.21.45.92 172.67.212.171 2606:4700:3031::6815:2d5c 2606:4700:3031::ac43:d4ab (AS13335) www.citizen21.dk: 104.21.45.92 172.67.212.171 2606:4700:3031::6815:2d5c 2606:4700:3031::ac43:d4ab (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.citizen21.dk	1S8KOJ5_TPnatSPe1P1gSCM-PZFtQOzo-P7n32QiCYw
TXT	_acme-challenge.citizen21.dk	5BCDRANeSP5NegTVDUpIS_yTIGuwK-CvEV2Q1cm48pk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

320ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

23ms

Field	Value
Serial	2417404113
Primary NS (MNAME)	clara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 09:28:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-11-15
Expires	2027-07-31 (282d)

🔗 Same registrant#

45 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
aarhusvest.dk	Simply.com A/S
aktieapp.dk	Punktum dk A/S (direct)
amerikanskeaktier.dk	Punktum dk A/S (direct)
anyman.dk	Simply.com A/S
backgammon-online.dk	Punktum dk A/S (direct)
bedreryg.dk	Simply.com A/S
biopejsguide.dk	Simply.com A/S
bmiberegner.dk	Punktum dk A/S (direct)
børneværelse.dk	Punktum dk A/S (direct)
cbd-guide.dk	Simply.com A/S
cbd-guiden.dk	Simply.com A/S
cfir.dk	Simply.com A/S
christmasjumper.dk	Simply.com A/S
copytrading.dk	Punktum dk A/S (direct)
crowdlendingdanmark.dk	Simply.com A/S
cryptoex.dk	Punktum dk A/S (direct)
detjul.dk	Simply.com A/S
finans-online.dk	Simply.com A/S
haveselskab.dk	Simply.com A/S
igrill.dk	Punktum dk A/S (direct)
investering-app.dk	Punktum dk A/S (direct)
kaffe-eksperten.dk	Simply.com A/S
kryptomaten.dk	Punktum dk A/S (direct)
langsom-pc-computer.dk	Punktum dk A/S (direct)
lånpengenuudensikkerhed.dk	Simply.com A/S
mahjong-gratis.dk	Punktum dk A/S (direct)
norskeaktier.dk	Punktum dk A/S (direct)
npi-news.dk	Simply.com A/S
oko-logiske.dk	Punktum dk A/S (direct)
pengeskole.dk	Punktum dk A/S (direct)
ratepanel.dk	Simply.com A/S
rentabilitet.dk	Simply.com A/S
roskilde-festival-guide.dk	Punktum dk A/S (direct)
sikkerflirt.dk	Punktum dk A/S (direct)
slankepiller-der-virker.dk	Punktum dk A/S (direct)
slankepiller-som-virker.dk	Simply.com A/S
spilbørn.dk	Simply.com A/S
srilankaguiden.dk	Simply.com A/S
stabiløkonomi.dk	Simply.com A/S
stream-tv.dk	Simply.com A/S
su-mad.dk	Simply.com A/S
tema-mad.dk	Punktum dk A/S (direct)
testfabrikken.dk	Punktum dk A/S (direct)
valoratrade.dk	Simply.com A/S
vinduerogdoere.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

117ms

106ms

92ms

AAAA

120ms

TXT

575ms

CAA

150ms

HTTPS

92ms

TLSA

937ms

SOA

23ms

MTA-STS

123ms

DNSSEC

320ms

SRV

158ms

Total

2702ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 13:19:40	419ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-20 12:50:47 shown	2702ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-17 09:32:07	1632ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-16 09:11:41	1778ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-14 04:37:37	1890ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 02:51:10	1228ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 08:52:26	2544ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 16:18:51	2624ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 22:05:11	517ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-18 20:29:04	3047ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-16 21:49:48	1001ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 06:12:37	1744ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 20:55:42	2421ms	2 NS 2 A 0 MX	🔓 Insecure