herningdykkerskole.dk

📜 Historical scan 2026-06-17 11:10:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

herningdykkerskole.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 January 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). 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#

2 records 125ms

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#

1 records 127ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	—	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 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 240ms

TXT Record
v=spf1 include:_custspf.one.com -all

✉️ SPF#

Policy	Record (herningdykkerskole.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com -all

📨 DMARC#

Policy	Record (_dmarc.herningdykkerskole.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email

📬 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 2026-10-17 06:51:15

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network herningdykkerskole.dk: 195.47.247.18 (AS51468) www.herningdykkerskole.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

243ms

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

🏷️ SOA#

113ms

Field	Value
Serial	2026061501
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 2026-10-17 07:05:20

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-01-20
Expires	2027-01-31 (96d)

🔗 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
perlen-dyk.dk	Punktum dk A/S (direct)
perlen.dk	Punktum dk A/S (direct)
rudedyk.dk	Punktum dk A/S (direct)
sjjk.dk	Punktum dk A/S (direct)
sundssø.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

125ms

127ms

115ms

AAAA

123ms

TXT

240ms

CAA

115ms

HTTPS

118ms

TLSA

159ms

SOA

113ms

MTA-STS

48ms

DNSSEC

243ms

SRV

0ms

Total

749ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 06:51:15	539ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 18:22:24	403ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 13:23:50	569ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 11:48:09	574ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 00:38:04	1322ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 03:13:37	572ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 22:42:26	2310ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 18:56:25	564ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 19:31:24	1276ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 02:20:52	772ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 00:08:42	1808ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:17:43	577ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 11:10:11 shown	749ms	2 NS 1 A 0 MX	🔒 Secure