bookbyen.dk

📜 Historical scan 2026-09-06 13:26:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bookbyen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 February 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.137.129.153 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by bookbyen-dk.mail.protection.outlook.com. 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 107ms

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 104ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.137.129.153	600s	—	AS48854	team.blue Denmark A/S	94.137.128.0/20	🇩🇰 Denmark	Bagsværd

📧 MX Records#

1 records 142ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	bookbyen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::5 2a01:111:f403:ca09::7 2a01:111:f403:ca09::a 52.101.68.15 52.101.68.36 52.101.73.12 52.101.73.126	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.252.88

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 509ms

TXT Record
MS=ms25277923
v=spf1 include:spf.protection.outlook.com ip4:62.116.219.45 ip4:62.116.219.48 -all

✉️ SPF#

Policy	Record (bookbyen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:62.116.219.45 ip4:62.116.219.48 -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 2026-10-22 22:12:35

www	89.188.74.59 (AS48854) (address records, no CNAME)
www vs bare domain	Same network bookbyen.dk: 89.188.74.59 (AS48854) www.bookbyen.dk: 89.188.74.59 (AS48854)
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

169ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090210
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 2026-10-22 22:40:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-02-09
Expires	2029-02-28 (859d)

🔗 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
brugbyen.dk	ONE.COM A/S
cphvisitorguide.dk	ONE.COM A/S
foreningkbh.dk	Simply.com A/S
kkos2display.dk	ONE.COM A/S
skrivopgave.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

107ms

104ms

142ms

AAAA

100ms

TXT

509ms

CAA

103ms

HTTPS

61ms

TLSA

254ms

SOA

0ms

MTA-STS

113ms

DNSSEC

169ms

SRV

545ms

Total

1344ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 22:12:35	537ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-21 19:33:12	3139ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 20:06:15	756ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 03:57:24	1264ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 01:19:39	1594ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 07:09:50	1216ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 13:26:52 shown	1344ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 05:21:14	1111ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 13:27:45	1314ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 23:29:20	1456ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 16:07:52	3329ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:55:18	2796ms	2 NS 1 A 1 MX	🔒 Secure