skolebooking.dk

📜 Historical scan 2026-06-18 10:25:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skolebooking.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 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 173ms

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 166ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.19.208.28	—	—	AS13335	—	—	—	—

📧 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#

📝

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 2026-10-13 04:34:47

www CNAME	dns.umbraco.io (all on umbraco.io) → 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
www vs bare domain	Same network skolebooking.dk: 104.19.208.28 (AS13335) www.skolebooking.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

238ms

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

🏷️ SOA#

159ms

Field	Value
Serial	2026061201
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 2026-10-14 20:05:08

Field	Value
Registrar	ONE.COM A/S
Registered	2009-09-07
Expires	2028-09-30 (705d)

🔗 Same registrant#

1 domain

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
fjernvarme-fyn.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

173ms

166ms

175ms

AAAA

174ms

TXT

281ms

CAA

166ms

HTTPS

173ms

TLSA

61ms

SOA

159ms

MTA-STS

168ms

DNSSEC

238ms

SRV

173ms

Total

606ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 04:34:47	421ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 08:02:59	578ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:14:14	2423ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 17:46:48	8529ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 07:11:15	2544ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 02:57:22	716ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 13:54:45	553ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 10:25:29 shown	606ms	2 NS 1 A 0 MX	🔒 Secure