opnseek.dk

📜 Historical scan 2026-08-07 08:21:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opnseek.dk is a .dk domain served by 2 nameservers (ben.ns.cloudflare.com, fay.ns.cloudflare.com). It was registered on 5 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.82.74 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.opnseek.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 162ms

Nameserver	IP addresses	PTR	ASN / ISP
ben.ns.cloudflare.com	108.162.193.103 172.64.33.103 173.245.59.103 2606:4700:58::adf5:3b67 2803:f800:50::6ca2:c167 2a06:98c1:50::ac40:2167	ben.ns.cloudflare.com ben.ns.cloudflare.com ben.ns.cloudflare.com ben.ns.cloudflare.com ben.ns.cloudflare.com ben.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
fay.ns.cloudflare.com	108.162.192.115 172.64.32.115 173.245.58.115 2606:4700:50::adf5:3a73 2803:f800:50::6ca2:c073 2a06:98c1:50::ac40:2073	fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 168ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.82.74	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.154.131	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 191ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.opnseek.com	104.21.45.154 172.67.216.101 2606:4700:3035::6815:2d9a 2606:4700:3036::ac43:d865	— — — —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.82.74
🔶 Autoconfig	172.67.154.131

🔷 AAAA Records (IPv6)#

2 records 154ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:524a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:9a83	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 175ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.82.74,172.67.154.131 ech=AEX+DQBB3AAgACBF5PF5IOUjvWKd6XE4oc750WGKgt1ncwcdQuCgBzd8WQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:524a,2606:4700:3033::ac43:9a83

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 02:17:09

www	104.21.82.74 172.67.154.131 2606:4700:3033::6815:524a 2606:4700:3033::ac43:9a83 (AS13335) (address records, no CNAME)
www vs bare domain	Same network opnseek.dk: 104.21.82.74 172.67.154.131 2606:4700:3033::6815:524a 2606:4700:3033::ac43:9a83 (AS13335) www.opnseek.dk: 104.21.82.74 172.67.154.131 2606:4700:3033::6815:524a 2606:4700:3033::ac43:9a83 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

273ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411099455
Primary NS (MNAME)	ben.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 02:19:12

Field	Value
Registrar	dns.services ApS
Registered	2026-04-05
Expires	2027-04-04 (166d)

📋 WHOIS#

⏱️ Lookup Timing#

162ms

168ms

191ms

AAAA

154ms

TXT

360ms

CAA

148ms

HTTPS

175ms

TLSA

219ms

SOA

0ms

MTA-STS

208ms

DNSSEC

273ms

SRV

221ms

Total

1666ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 01:53:08	2852ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 00:04:08	1203ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 03:21:16	689ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 13:19:54	946ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 18:40:15	9994ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-07 08:21:19 shown	1666ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 11:49:31	1428ms	2 NS 2 A 1 MX	🔓 Insecure