opo.dk DNS records

🖥️ Nameservers2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
archer.ns.cloudflare.com	108.162.195.136 162.159.44.136 172.64.35.136 2606:4700:58::a29f:2c88 2803:f800:50::6ca2:c388 2a06:98c1:50::ac40:2388	archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melina.ns.cloudflare.com	108.162.194.184 162.159.38.184 172.64.34.184 2606:4700:50::a29f:26b8 2803:f800:50::6ca2:c2b8 2a06:98c1:50::ac40:22b8	melina.ns.cloudflare.com melina.ns.cloudflare.com melina.ns.cloudflare.com melina.ns.cloudflare.com melina.ns.cloudflare.com melina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.46.114	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.168.119	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 39ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.46.114
🔶 Autoconfig	172.67.168.119

🔷 AAAA Records (IPv6)2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:2e72	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:a877	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 65ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.46.114,172.67.168.119 ech=AEX+DQBBqgAgACBToaOlI/XdWcaBs2n/e11+KUwoMzGMzoAzloPSQDMwAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2e72,2606:4700:3034::ac43:a877

📝 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)

🔐 DNSSEC82ms

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	2412690320
Primary NS (MNAME)	archer.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

57ms

A

37ms

MX

39ms

AAAA

37ms

TXT

226ms

CAA

40ms

HTTPS

65ms

TLSA

71ms

SOA

0ms

MTA-STS

77ms

DNSSEC

82ms

SRV

76ms

Total

1699ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 11:09:23	1699ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 22:32:07	1004ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 11:00:12	6551ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-16 03:04:16	5893ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-19 09:33:57	2749ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 02:46:09	1784ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 00:21:36	771ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 20:26:44	2633ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-06-21 11:37:40	1113ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 12:10:43	943ms	2 NS 2 A 0 MX	🔓 Insecure	View