onlinemester.dk

📜 Historical scan 2026-09-30 07:28:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onlinemester.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 July 2026 (WHOIS) and first appeared in the .dk zone on 25 July 2026. The zone is DNSSEC-signed and validates, has no 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#

2 records 413ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 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 534ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (onlinemester.dk)
-all (hard fail)	v=spf1 -all

📨 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 2026-10-08 03:06:13

www	NXDOMAIN
www vs bare domain	Neither resolves onlinemester.dk: no address www.onlinemester.dk: no address
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

508ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

82ms

Field	Value
Serial	2026093001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-26 00:48:10

Field	Value
Registrar	ONE.COM A/S
Registered	2026-07-24
Expires	2027-07-23 (269d)

🔗 Same registrant#

5 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
ans-digital.dk	Punktum dk A/S (direct)
beregn-gennemsnit.dk	ONE.COM A/S
emiliebinzer.dk	Punktum dk A/S (direct)
erhverv-forsikring.dk	ONE.COM A/S
kbrengoring.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

413ms

330ms

356ms

AAAA

402ms

TXT

534ms

CAA

294ms

HTTPS

381ms

TLSA

177ms

SOA

82ms

MTA-STS

425ms

DNSSEC

508ms

SRV

407ms

Total

1292ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:06:13	314ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-30 07:28:03 shown	1292ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-27 06:30:14	416ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-15 11:37:45	2745ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-03 22:23:24	503ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 16:51:41	9613ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-05 23:32:28	1113ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 08:36:49	1679ms	2 NS 1 A 1 MX	🔒 Secure