dotbooking.dk

📜 Historical scan 2026-06-17 04:20:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dotbooking.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 February 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.91.97.254 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by mx1.justworks.dk, mx2.justworks.dk. The zone is not DNSSEC-signed, 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   57ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —

🌍 A Records#

1 records   90ms
IPTTLPTRASNISP / OrgCIDRCountryCity
144.91.97.254 — mail.justworks.dk AS51167 Contabo GmbH 144.91.64.0/18 🇫🇷 France Lauterbourg

📧 MX Records#

2 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.justworks.dk 144.91.97.254 mail.justworks.dk AS51167 Contabo GmbH
10 — mx2.justworks.dk 144.91.97.254 mail.justworks.dk AS51167 Contabo GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   150ms
TXT Record
v=spf1 ip4:144.91.97.254 ip4:95.128.27.10 ip4:95.128.27.9 ~all

✉️ SPF#

PolicyRecord (dotbooking.dk)
~all (soft fail) v=spf1 ip4:144.91.97.254 ip4:95.128.27.10 ip4:95.128.27.9 ~all

📨 DMARC#

PolicyRecord (_dmarc.dotbooking.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:postmaster@dotbooking.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 2026-10-10 03:43:38
www CNAMEdotbooking.dk (all on dotbooking.dk)
www vs bare domainSame network
dotbooking.dk: 144.91.97.254 (AS51167)
www.dotbooking.dk: 144.91.97.254 (AS51167)
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

161ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

53ms
FieldValue
Serial2022072500
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)support@justworks.dk
Refresh14400s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-15 12:54:53
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2005-02-16
Expires2027-02-28 (134d)

🔗 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
digitalblanket.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
57ms
A
90ms
MX
55ms
AAAA
55ms
TXT
150ms
CAA
58ms
HTTPS
56ms
TLSA
118ms
SOA
53ms
MTA-STS
34ms
DNSSEC
161ms
SRV
0ms
Total
610ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-02 02:10:19 2271ms 2 NS 1 A 2 MX 🔓 Insecure
2026-09-30 01:32:57 638ms 2 NS 1 A 2 MX 🔓 Insecure
2026-08-25 22:09:18 794ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-20 00:13:54 518ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-17 04:24:13 525ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-17 04:20:10 shown 610ms 2 NS 1 A 2 MX 🔓 Insecure
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