opnet.dk

📜 Historical scan 2026-06-26 13:45:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opnet.dk is a .dk domain served by 2 nameservers (sterling.ns.cloudflare.com, vivienne.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.34.234 is hosted by Cloudflare, Inc. (AS13335). 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 150ms

Nameserver	IP addresses	PTR	ASN / ISP
sterling.ns.cloudflare.com	108.162.195.143 162.159.44.143 172.64.35.143 2606:4700:58::a29f:2c8f 2803:f800:50::6ca2:c38f 2a06:98c1:50::ac40:238f	sterling.ns.cloudflare.com sterling.ns.cloudflare.com sterling.ns.cloudflare.com sterling.ns.cloudflare.com sterling.ns.cloudflare.com sterling.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vivienne.ns.cloudflare.com	108.162.194.50 162.159.38.50 172.64.34.50 2606:4700:50::a29f:2632 2803:f800:50::6ca2:c232 2a06:98c1:50::ac40:2232	vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.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 169ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.34.234	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.166.81	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 275ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:22ea	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a651	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 243ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.34.234,172.67.166.81 ech=AEX+DQBB+gAgACAsXf9D47eVAyQlFQRZGTLbiq3hjK2ixMlp5qllFb2sDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:22ea,2606:4700:3035::ac43:a651

📝 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 2026-10-22 09:06:03

www	104.21.34.234 172.67.166.81 2606:4700:3034::6815:22ea 2606:4700:3035::ac43:a651 (AS13335) (address records, no CNAME)
www vs bare domain	Same network opnet.dk: 104.21.34.234 172.67.166.81 2606:4700:3034::6815:22ea 2606:4700:3035::ac43:a651 (AS13335) www.opnet.dk: 104.21.34.234 172.67.166.81 2606:4700:3034::6815:22ea 2606:4700:3035::ac43:a651 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

406ms

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

🏷️ SOA#

350ms

Field	Value
Serial	2407707450
Primary NS (MNAME)	sterling.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

150ms

169ms

294ms

AAAA

275ms

TXT

651ms

CAA

300ms

HTTPS

243ms

TLSA

207ms

SOA

350ms

MTA-STS

295ms

DNSSEC

406ms

SRV

367ms

Total

4760ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 09:06:03	930ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-03 23:17:33	450ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 12:18:29	668ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 08:43:08	483ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-31 22:59:55	1162ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-05 01:09:10	1505ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-30 10:01:54	870ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-29 09:46:08	1531ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-29 05:04:02	1279ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-28 09:50:09	1162ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-26 13:45:22 shown	4760ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 04:11:17	1109ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 12:56:46	1932ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-21 06:42:31	1473ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 19:33:53	3228ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 11:43:26	723ms	4 NS 1 A 1 MX	🔓 Insecure