kalenderbooking.dk

📜 Historical scan 2026-07-08 22:05:44  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kalenderbooking.dk is a .dk domain served by 2 nameservers (lewis.ns.cloudflare.com, maya.ns.cloudflare.com). It was registered on 6 February 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.71.7 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is of unknown DNSSEC status, has no DMARC policy and is reachable over IPv6. 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   37ms

🌍 A Records#

2 records   68ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.71.7 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.141.67 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

7 records   50ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverserver4.berggreens.dk → 172.67.219.80
🔶 Autoconfigserver4.berggreens.dk → 104.21.94.40

🔷 AAAA Records (IPv6)#

2 records   46ms

🔐 HTTPS Records#

1 records   68ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.71.7,172.67.141.67 ech=AEX+DQBBCwAgACDctOgE0Y7KQXdNifAkV9g7EIJArSv0/ksXZDoZzA+xQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4707,2606:4700:3034::ac43:8d43

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-08 04:39:13
www104.21.71.7 172.67.141.67 2606:4700:3034::6815:4707 2606:4700:3034::ac43:8d43 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.kalenderbooking.dk server4.berggreens.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

150ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsbroken trust chain resolving 'kalenderbooking.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

0ms
FieldValue
Serial2408917388
Primary NS (MNAME)lewis.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-21 05:34:24
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2007-02-06
Expires2027-02-28 (126d)

🔗 Same registrant#

24 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
37ms
A
68ms
MX
50ms
AAAA
46ms
TXT
238ms
CAA
75ms
HTTPS
68ms
TLSA
175ms
SOA
0ms
MTA-STS
184ms
DNSSEC
150ms
SRV
303ms
Total
2785ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-29 23:47:37 808ms 2 NS 2 A 7 MX 🔓 Insecure
2026-09-25 07:45:42 10366ms 2 NS 2 A 7 MX 🔓 Insecure
2026-09-19 09:07:33 2442ms 2 NS 2 A 7 MX 🔓 Insecure
2026-09-06 21:23:10 997ms 2 NS 2 A 7 MX 🔓 Insecure
2026-08-27 08:00:16 1377ms 2 NS 2 A 7 MX 🔓 Insecure
2026-07-17 22:04:25 10652ms 2 NS 2 A 7 MX 🔓 Insecure
2026-07-08 22:05:44 shown 2785ms 2 NS 2 A 7 MX ❓ Unknown
2026-07-02 13:36:58 1697ms 2 NS 2 A 7 MX 🔓 Insecure
2026-06-18 07:37:10 1627ms 2 NS 2 A 7 MX 🔓 Insecure
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