bookonline.dk

Records from scan: 2026-07-01 23:36:43 · 560ms total · last checked 2026-10-18 22:27 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bookonline.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 6 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.36.212.88 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 68ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.36.212.88	3600s	—	AS48854	team.blue Denmark A/S	46.36.208.0/21	🇩🇰 Denmark	—

📧 MX Records#

2 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 120ms

TXT Record
v=spf1 include:spf.onlinemail.io -all

✉️ SPF#

Policy	Record (bookonline.dk)
-all (hard fail)	v=spf1 include:spf.onlinemail.io -all

📨 DMARC#

Policy	Record (_dmarc.bookonline.dk)
p=reject	v=DMARC1; p=reject

📬 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#

checked 2026-10-10 13:57:27

www CNAME	bookonline.dk (all on bookonline.dk) → 46.36.212.88 (AS48854)
www vs bare domain	Same network bookonline.dk: 46.36.212.88 (AS48854) www.bookonline.dk: 46.36.212.88 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

133ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2026051701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-12 21:28:15

Field	Value
Registrar	CURANET A/S
Registered	2025-02-06
Expires	2027-02-05 (109d)

🔗 Same registrant#

45 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
artbyschonning.dk	Punktum dk A/S (direct)
autocamperfano.dk	Punktum dk A/S (direct)
autocamperparkering.dk	Punktum dk A/S (direct)
autostay.dk	CURANET A/S
b2b-kaffe.dk	Punktum dk A/S (direct)
bechsgaard-hansen.dk	Punktum dk A/S (direct)
bossit.dk	Punktum dk A/S (direct)
bryllupsophold.dk	Punktum dk A/S (direct)
btobkaffe.dk	Punktum dk A/S (direct)
camping-jylland.dk	Punktum dk A/S (direct)
campinghjemmeside.dk	Punktum dk A/S (direct)
campingsogning.dk	Punktum dk A/S (direct)
equator.dk	Punktum dk A/S (direct)
familieophold.dk	Punktum dk A/S (direct)
fanoautocamper.dk	Punktum dk A/S (direct)
fanopadel.dk	Punktum dk A/S (direct)
fanopadelclub.dk	Punktum dk A/S (direct)
fanopadeltennis.dk	Punktum dk A/S (direct)
fanøpadelclub.dk	Punktum dk A/S (direct)
feriecenter-i-danmark.dk	Punktum dk A/S (direct)
firmahosting.dk	Punktum dk A/S (direct)
fiskesocamping.dk	Punktum dk A/S (direct)
fiskesoensautocamper.dk	Punktum dk A/S (direct)
goadmin.dk	Punktum dk A/S (direct)
gocamping.dk	Punktum dk A/S (direct)
godns.dk	Punktum dk A/S (direct)
hotelsøgning.dk	Punktum dk A/S (direct)
iværksætterit.dk	Punktum dk A/S (direct)
julefrokostfest.dk	Punktum dk A/S (direct)
kanocamping.dk	Punktum dk A/S (direct)
konferencehotel-i-danmark.dk	Punktum dk A/S (direct)
miniferiedanmark.dk	Punktum dk A/S (direct)
mitlivsrejse.dk	Punktum dk A/S (direct)
nytaarsfest.dk	Punktum dk A/S (direct)
ohb.dk	Punktum dk A/S (direct)
okb.dk	Punktum dk A/S (direct)
onesolution.dk	CURANET A/S
online-kalender.dk	Punktum dk A/S (direct)
onlinehotelbooking.dk	Punktum dk A/S (direct)
quickcamp.dk	Punktum dk A/S (direct)
ristetkaffe.dk	Punktum dk A/S (direct)
strømstander.dk	CURANET A/S
vandrehjem-danmark.dk	Punktum dk A/S (direct)
visit-denmark-camping.dk	Punktum dk A/S (direct)
wellnessophold.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

68ms

26ms

51ms

AAAA

46ms

TXT

120ms

CAA

65ms

HTTPS

41ms

TLSA

73ms

SOA

49ms

MTA-STS

72ms

DNSSEC

133ms

SRV

73ms

Total

560ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-07-01 23:36:43 shown	560ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 16:18:56	3932ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 16:18:17	1494ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 16:04:10	378ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 16:01:03	780ms	2 NS 1 A 2 MX	🔒 Secure