sudokuonline.dk DNS records

🖥️ Nameservers2 records 128ms

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 Records2 records 114ms

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 90ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:80ad	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:225	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 113ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.37,172.67.128.173 ech=AEX+DQBBXAAgACBH5pfLr2dm5FubCRUNH5oF8OOVnC+r6Tg85GpjaavFDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:80ad,2606:4700:3036::6815:225

📝 TXT Records1 records 231ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC158ms

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

🏷️ SOA0ms

Field	Value
Serial	2411470025
Primary NS (MNAME)	beth.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

128ms

A

114ms

MX

128ms

AAAA

90ms

TXT

231ms

CAA

117ms

HTTPS

113ms

TLSA

888ms

SOA

0ms

MTA-STS

104ms

DNSSEC

158ms

SRV

146ms

Total

1702ms

🕐 Scan History

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