book1.dk

📜 Historical scan 2026-06-20 07:40:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

book1.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 29 May 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 137.117.175.14 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by book1-dk.mail.protection.outlook.com. 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
137.117.175.14	3600s	—	AS8075	Microsoft Corporation	137.116.0.0/15	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	book1-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::8 52.101.68.15 52.101.68.16 52.101.68.36 52.101.73.19	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.231.136
🔶 Autoconfig	137.117.175.14

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 126ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 157ms

TXT Record
brochner.azurewebsites.net
MS=ms45241973
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (book1.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.book1.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:news@book1.dk;

📬 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 2026-10-09 00:21:31

www	137.117.175.14 (AS8075) (address records, no CNAME)
www vs bare domain	Same network book1.dk: 137.117.175.14 (AS8075) www.book1.dk: 137.117.175.14 (AS8075)
Wildcard	Yes: any name under the zone resolves
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2024022301
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-13 21:46:03

Field	Value
Registrar	DANDOMAIN A/S
Registered	2019-05-29
Expires	2027-07-31 (284d)

🔗 Same registrant#

7 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
avenuehotel.dk	DANDOMAIN A/S
b-h.dk	DANDOMAIN A/S
book1hostel.dk	DANDOMAIN A/S
brochner-hotels.dk	DANDOMAIN A/S
hotelfox.dk	DANDOMAIN A/S
libraryhostel.dk	Punktum dk A/S (direct)
sp34apartments.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

40ms

34ms

79ms

AAAA

39ms

TXT

157ms

CAA

71ms

HTTPS

39ms

TLSA

401ms

SOA

45ms

MTA-STS

75ms

DNSSEC

63ms

SRV

126ms

Total

841ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 17:42:26	1333ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 04:56:32	990ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 14:20:54	951ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 07:40:06 shown	841ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 18:57:35	706ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:55:12	1025ms	2 NS 1 A 1 MX	🔒 Secure