opdagnu.dk

📜 Historical scan 2026-10-03 08:47:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opdagnu.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 1 May 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.88.95.238 is hosted by Hetzner Online GmbH (AS24940) in Germany. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

3 records 189ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 207ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.88.95.238	600s	dedi9659.your-server.de	AS24940	Hetzner Online GmbH	23.88.0.0/17	🇩🇪 Germany	Nuremberg

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 646ms

TXT Record
v=spf1 a mx include:_spf.hetzner.com ~all

✉️ SPF#

Policy	Record (opdagnu.dk)
~all (soft fail)	v=spf1 a mx include:_spf.hetzner.com ~all

📨 DMARC#

Policy	Record (_dmarc.opdagnu.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=none; pct=50; adkim=r; aspf=r

📬 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 12:46:41

www	23.88.95.238 (AS24940) (address records, no CNAME)
www vs bare domain	Same network opdagnu.dk: 23.88.95.238 (AS24940) www.opdagnu.dk: 23.88.95.238 (AS24940)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.opdagnu.dk	88tQmJklgDVNknWDajFsm5lcvcKrTSfQ_80h97vKrfw
TXT	_acme-challenge.opdagnu.dk	BkY7PbkP7IwclZ42V4a0jlepoA2HmvaCkHsQej7aluM
TXT	_acme-challenge.opdagnu.dk	xMfG8jYh2s39xNEZIcBfd3sXahiamWxRrTyMRwp5DBM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

373ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

79ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 09:03:39

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-05-01
Expires	2027-04-30 (187d)

📋 WHOIS#

⏱️ Lookup Timing#

189ms

207ms

187ms

AAAA

160ms

TXT

646ms

CAA

158ms

HTTPS

194ms

TLSA

467ms

SOA

79ms

MTA-STS

260ms

DNSSEC

373ms

SRV

220ms

Total

1993ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:46:41	760ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-03 08:47:32 shown	1993ms	3 NS 1 A 0 MX	🔒 Secure
2026-09-28 07:59:31	665ms	3 NS 1 A 0 MX	🔒 Secure
2026-08-12 14:04:50	1886ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-24 16:20:00	517ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-17 19:14:43	601ms	3 NS 1 A 0 MX	🔒 Secure