4book.dk

Records from scan: 2026-10-09 10:53:02  ·  1525ms total  ·  last checked 2026-10-15 23:02 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4book.dk is a .dk domain served by 2 nameservers (ns5.kasserver.com, ns6.kasserver.com). It was registered on 22 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.13.146.132 is hosted by Neue Medien Muennich GmbH (AS34788) in Germany. Mail is handled by w012a775.kasserver.com. The zone is not DNSSEC-signed, 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   64ms
NameserverIP addressesPTRASN / ISP
ns5.kasserver.com 85.13.128.3 ns5.kasserver.com AS34788 Neue Medien Muennich GmbH
ns6.kasserver.com 85.13.159.101 ns6.kasserver.com AS34788 Neue Medien Muennich GmbH

🌍 A Records#

1 records   67ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.13.146.132 7200s dd27908.kasserver.com AS34788 Neue Medien Muennich GmbH 85.13.128.0/18 🇩🇪 Germany —

📧 MX Records#

1 records   64ms
PriorityTTLMail ServerIP addressesPTRASN
10 7200s w012a775.kasserver.com 85.13.146.132 dd27908.kasserver.com AS34788 Neue Medien Muennich GmbH

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverw012a775.kasserver.com → 85.13.146.132
🔶 Autoconfigw012a775.kasserver.com → 85.13.146.132

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   293ms
TXT Record
v=spf1 a mx include:spf.kasserver.com ~all

✉️ SPF#

PolicyRecord (4book.dk)
~all (soft fail) v=spf1 a mx include:spf.kasserver.com ~all

📨 DMARC#

PolicyRecord (_dmarc.4book.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#

checked 2026-10-09 10:53:02
www CNAMEw012a775.kasserver.com (all on kasserver.com)
www vs bare domainSame network
4book.dk: 85.13.146.132 (AS34788)
www.4book.dk: 85.13.146.132 (AS34788)
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.4book.dk w012a775.kasserver.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

142ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

72ms
FieldValue
Serial2605270011
Primary NS (MNAME)ns5.kasserver.com
Responsible (RNAME)hostmaster@kasserver.com
Refresh28800s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)7200s

📋 Registration#

WHOIS fetched 2026-10-12 14:20:33
FieldValue
RegistrarRegistryGate GmbH
Registered2021-06-22
Expires2027-06-30 (256d)

🔗 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).

DomainRegistrar
bookingbird.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
64ms
A
67ms
MX
64ms
AAAA
58ms
TXT
293ms
CAA
61ms
HTTPS
74ms
TLSA
340ms
SOA
72ms
MTA-STS
153ms
DNSSEC
142ms
SRV
213ms
Total
1525ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 10:53:02 shown 1525ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-30 07:14:16 726ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-24 17:23:08 2521ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-26 19:25:38 773ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-24 20:30:54 818ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-21 17:42:50 639ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-21 07:44:38 1192ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 12:52:29 1172ms 2 NS 1 A 1 MX 🔓 Insecure
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