færdighedsprøven.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.44.51	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.195.98	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2c33	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:c362	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.44.51,172.67.195.98 ech=AEX+DQBBKgAgACAvQqH0GYmbu3KvoVqKt+Ei4tgB0R7OrKySEEIuEA2POgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2c33,2606:4700:3033::ac43:c362

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC159ms

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	2411961734
Primary NS (MNAME)	cortney.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

43ms

A

48ms

MX

47ms

AAAA

50ms

TXT

219ms

CAA

53ms

HTTPS

58ms

TLSA

108ms

SOA

0ms

MTA-STS

83ms

DNSSEC

159ms

SRV

78ms

Total

713ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 18:26:13	713ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-12 11:27:14	890ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-25 07:07:12	2017ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-22 04:46:07	9767ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-29 13:42:08	801ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 04:46:09	298ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 23:13:48	346ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 22:39:01	1616ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-20 21:28:53	1109ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 20:39:22	1051ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-19 12:01:21	339ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-17 10:04:05	1841ms	2 NS 2 A 0 MX	🔒 Secure	View