sudokuonline.dk

📜 Historical scan 2026-06-23 17:33:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sudokuonline.dk is a .dk domain served by 2 nameservers (beth.ns.cloudflare.com, jim.ns.cloudflare.com). It was registered on 11 April 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.2.37 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 71ms

Nameserver	IP addresses	PTR	ASN / ISP
beth.ns.cloudflare.com	108.162.192.103 172.64.32.103 173.245.58.103 2606:4700:50::adf5:3a67 2803:f800:50::6ca2:c067 2a06:98c1:50::ac40:2067	beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jim.ns.cloudflare.com	108.162.193.125 172.64.33.125 173.245.59.125 2606:4700:58::adf5:3b7d 2803:f800:50::6ca2:c17d 2a06:98c1:50::ac40:217d	jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.2.37	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.128.173	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	176.9.65.253
🔶 Autoconfig	176.9.65.253

🔷 AAAA Records (IPv6)#

2 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:225	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:80ad	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.37,172.67.128.173 ech=AEX+DQBBDgAgACDhfcmMyidRzJBU0gQuDoo193plJKAodT4vBBCun6wARQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:225,2606:4700:3036::ac43:80ad

📝 TXT Records#

1 records 241ms

TXT Record
google-site-verification=XgHqiz9T9UTmcGZi5Wv4-bQgzCWfmmgDCnQCqrpg-8k

✉️ 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 2026-10-24 23:15:15

www	176.9.65.253 (AS24940) (address records, no CNAME)
www vs bare domain	Different networks sudokuonline.dk: 104.21.2.37 172.67.128.173 2606:4700:3033::ac43:80ad 2606:4700:3036::6815:225 (AS13335) www.sudokuonline.dk: 176.9.65.253 (AS24940) (all like this)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

185ms

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

🏷️ SOA#

75ms

Field	Value
Serial	2404916928
Primary NS (MNAME)	beth.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-26 09:09:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-04-11
Expires	2027-04-30 (185d)

📋 WHOIS#

⏱️ Lookup Timing#

71ms

50ms

59ms

AAAA

60ms

TXT

241ms

CAA

68ms

HTTPS

52ms

TLSA

51ms

SOA

75ms

MTA-STS

82ms

DNSSEC

185ms

SRV

94ms

Total

797ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 23:15:15	497ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-08 06:08:02	2228ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-21 07:10:37	1664ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-08 14:19:23	1702ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-21 04:16:00	9795ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-03 05:48:53	900ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 01:14:34	1816ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 17:33:45 shown	797ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 04:57:21	1145ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 01:03:55	465ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 13:18:35	6398ms	2 NS 2 A 0 MX	🔓 Insecure