booksys.dk

📜 Historical scan 2026-06-16 16:06:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

booksys.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.2.100.168 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by mail.booksys.dk, mail.kiehn.dk. The zone is DNSSEC-signed but currently fails validation, 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 79ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 108ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.2.100.168	—	vmi3249716.contaboserver.net	AS51167	Contabo GmbH	185.2.100.0/22	🇫🇷 France	Lauterbourg

📧 MX Records#

2 records 109ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.booksys.dk	57.129.84.98	rs6-fra.serverhostgroup.com	AS16276 OVH SAS
20	—	mail.kiehn.dk	94.231.108.66	director1.mf.wannafind.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 158ms

TXT Record
google-site-verification=cONFnMQ0yZ9k-v7IoPQL6Gx3VEYoukFSSZe-bqNOJ4s
v=spf1 mx a include:relay.mailchannels.net include:_spf.tem.scaleway.com ~all

✉️ SPF#

Policy	Record (booksys.dk)
~all (soft fail)	v=spf1 mx a include:relay.mailchannels.net include:_spf.tem.scaleway.com ~all

📨 DMARC#

Policy	Record (_dmarc.booksys.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 2026-10-11 21:38:43

www	94.237.97.13 (AS202053) (address records, no CNAME)
www vs bare domain	Different networks booksys.dk: 185.2.100.168 (AS51167) www.booksys.dk: 94.237.97.13 (AS202053) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'booksys.dk/DNSKEY/IN': 127.0.0.1#53

🏷️ SOA#

38ms

Field	Value
Serial	2026052401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

79ms

108ms

109ms

AAAA

39ms

TXT

158ms

CAA

33ms

HTTPS

108ms

TLSA

108ms

SOA

38ms

MTA-STS

55ms

DNSSEC

80ms

SRV

0ms

Total

527ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 15:49:36	632ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-25 07:50:28	887ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-07 23:01:02	1127ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 12:57:22	761ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-25 21:36:28	8681ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-28 19:42:34	714ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 01:10:52	746ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 09:33:58	980ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 16:08:29	1710ms	2 NS 1 A 2 MX	⚠️ Bogus
2026-06-16 16:06:39 shown	527ms	2 NS 1 A 2 MX	⚠️ Bogus
2026-06-16 16:04:23	3563ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 16:00:33	552ms	2 NS 1 A 2 MX	🔒 Secure