kalenderbooking.dk

📜 Historical scan 2026-07-17 22:04:25  ·  ← 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 not DNSSEC-signed, 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   32ms

🌍 A Records#

2 records   55ms
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   40ms

📧 Autodiscover / Autoconfig#

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

🔷 AAAA Records (IPv6)#

2 records   38ms

🔐 HTTPS Records#

1 records   32ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.71.7,172.67.141.67 ech=AEX+DQBBywAgACCk99B15TCfYFSyWpcDVey3q++6aoo4QDVnN8+cMQ+pLQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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#

9074ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2409711575
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
32ms
A
55ms
MX
40ms
AAAA
38ms
TXT
154ms
CAA
32ms
HTTPS
32ms
TLSA
140ms
SOA
0ms
MTA-STS
66ms
DNSSEC
9074ms
SRV
89ms
Total
10652ms

🕐 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 shown 10652ms 2 NS 2 A 7 MX 🔓 Insecure
2026-07-08 22:05:44 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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