opgave-udbud.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
deb.ns.cloudflare.com	108.162.192.92 172.64.32.92 173.245.58.92 2606:4700:50::adf5:3a5c 2803:f800:50::6ca2:c05c 2a06:98c1:50::ac40:205c	deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
malcolm.ns.cloudflare.com	108.162.195.81 162.159.44.81 172.64.35.81 2606:4700:58::a29f:2c51 2803:f800:50::6ca2:c351 2a06:98c1:50::ac40:2351	malcolm.ns.cloudflare.com malcolm.ns.cloudflare.com malcolm.ns.cloudflare.com malcolm.ns.cloudflare.com malcolm.ns.cloudflare.com malcolm.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.4.52	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.229	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)2 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:99e5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:434	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 54ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.4.52,172.67.153.229 ech=AEX+DQBBVAAgACDTiq1znrf/0lu9wBSY4p3k/OC+0EQSmSKRuMAwEtvuIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:99e5,2606:4700:3037::6815:434

📝 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)

🔐 DNSSEC94ms

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	2412712331
Primary NS (MNAME)	deb.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

49ms

A

54ms

MX

54ms

AAAA

59ms

TXT

198ms

CAA

45ms

HTTPS

54ms

TLSA

57ms

SOA

0ms

MTA-STS

80ms

DNSSEC

94ms

SRV

77ms

Total

1220ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 14:36:44	1220ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 10:26:16	936ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-16 13:25:15	1655ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 23:34:51	856ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 18:00:15	2433ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 17:03:08	2874ms	2 NS 2 A 0 MX	🔓 Insecure	View