opentech.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
eve.ns.cloudflare.com	108.162.194.204 162.159.38.204 172.64.34.204 2606:4700:50::a29f:26cc 2803:f800:50::6ca2:c2cc 2a06:98c1:50::ac40:22cc	eve.ns.cloudflare.com eve.ns.cloudflare.com eve.ns.cloudflare.com eve.ns.cloudflare.com eve.ns.cloudflare.com eve.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nicolas.ns.cloudflare.com	108.162.195.84 162.159.44.84 172.64.35.84 2606:4700:58::a29f:2c54 2803:f800:50::6ca2:c354 2a06:98c1:50::ac40:2354	nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.35.241	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.181.122	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:23f1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:b57a	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=104.21.35.241,172.67.181.122 ech=AEX+DQBBEgAgACDNP/eVyhjoHmwlixXTLZMcS8gbR2MJgq8BTFGf4ZYnBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:23f1,2606:4700:3033::ac43:b57a

📝 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)

🔐 DNSSEC92ms

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	2411994562
Primary NS (MNAME)	eve.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

51ms

A

56ms

MX

46ms

AAAA

42ms

TXT

319ms

CAA

63ms

HTTPS

54ms

TLSA

127ms

SOA

0ms

MTA-STS

73ms

DNSSEC

92ms

SRV

90ms

Total

1125ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-14 23:19:19	1125ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-16 00:59:08	893ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 15:58:00	2083ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 01:59:36	1043ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 03:27:30	1107ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 01:20:57	813ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 14:37:18	1776ms	2 NS 2 A 0 MX	🔓 Insecure	View