cuda.dk DNS records

🖥️ Nameservers2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
aria.ns.cloudflare.com	108.162.192.68 172.64.32.68 173.245.58.68 2606:4700:50::adf5:3a44 2803:f800:50::6ca2:c044 2a06:98c1:50::ac40:2044	aria.ns.cloudflare.com aria.ns.cloudflare.com aria.ns.cloudflare.com aria.ns.cloudflare.com aria.ns.cloudflare.com aria.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sid.ns.cloudflare.com	108.162.193.143 172.64.33.143 173.245.59.143 2606:4700:58::adf5:3b8f 2803:f800:50::6ca2:c18f 2a06:98c1:50::ac40:218f	sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.238	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.174.114	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	cuda.dk → 94.130.106.211
🔶 Autoconfig	cuda.dk → 94.130.106.211

🔷 AAAA Records (IPv6)2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:37ee	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:ae72	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.238,172.67.174.114 ech=AEX+DQBBFgAgACAHLebld4IUA+gNDxH8mXA4AAKUnLTf/3QyY04Sn3LacAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:37ee,2606:4700:3037::ac43:ae72

📝 TXT Records

📝

No TXT records found

✉️ 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.cuda.dk	cuda.dk

🔗 TLSA / DANE

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

🔐 DNSSEC64ms

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

🏷️ SOA42ms

Field	Value
Serial	2407259427
Primary NS (MNAME)	aria.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

44ms

A

38ms

MX

40ms

AAAA

45ms

TXT

191ms

CAA

53ms

HTTPS

38ms

TLSA

45ms

SOA

42ms

MTA-STS

60ms

DNSSEC

64ms

SRV

168ms

Total

803ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 05:34:48	836ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-22 03:11:50	3303ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-19 00:58:16	7132ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-16 15:04:19	2374ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-15 13:43:42	3492ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-07 12:24:41	1893ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-27 22:57:07	803ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-19 23:43:55	1299ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 23:10:22	417ms	2 NS 2 A 0 MX	🔓 Insecure	View