klientbook.dk

📜 Historical scan 2026-09-29 16:05:12  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klientbook.dk is a .dk domain served by 2 nameservers (margo.ns.cloudflare.com, melina.ns.cloudflare.com). It was registered on 11 March 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.243 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, publishes a 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   69ms
NameserverIP addressesPTRASN / ISP
margo.ns.cloudflare.com 108.162.195.144
162.159.44.144
172.64.35.144
2606:4700:58::a29f:2c90
2803:f800:50::6ca2:c390
2a06:98c1:50::ac40:2390		 margo.ns.cloudflare.com
margo.ns.cloudflare.com
margo.ns.cloudflare.com
margo.ns.cloudflare.com
margo.ns.cloudflare.com
margo.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
melina.ns.cloudflare.com 108.162.194.184
162.159.38.184
172.64.34.184
2606:4700:50::a29f:26b8
2803:f800:50::6ca2:c2b8
2a06:98c1:50::ac40:22b8		 melina.ns.cloudflare.com
melina.ns.cloudflare.com
melina.ns.cloudflare.com
melina.ns.cloudflare.com
melina.ns.cloudflare.com
melina.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   76ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.10.243 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.147.19 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.10.243
🔶 Autoconfig172.67.147.19

🔷 AAAA Records (IPv6)#

2 records   83ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:9313 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:af3 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   98ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.10.243,172.67.147.19 ech=AEX+DQBBBQAgACAVvFUir2xCVyFobLH4P241M8L25DJ3bDcN+t56ZbtYKAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9313,2606:4700:3037::6815:af3

📝 TXT Records#

1 records   313ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (klientbook.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.klientbook.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:7051335e789e4ddeb7b9b815d812975f@dmarc-reports.cloudflare.net;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

11 records   92ms
FlagsTagValue
0 iodef mailto:caa-report@dinnerbooking.com
0 issue comodoca.com
0 issue digicert.com; cansignhttpexchanges=yes
0 issue letsencrypt.org
0 issue pki.goog; cansignhttpexchanges=yes
0 issue ssl.com
0 issuewild comodoca.com
0 issuewild digicert.com; cansignhttpexchanges=yes
0 issuewild letsencrypt.org
0 issuewild pki.goog; cansignhttpexchanges=yes
0 issuewild ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 23:54:20
www188.114.96.1 188.114.97.1 2606:4700:3031::ac43:9313 2606:4700:3037::6815:af3 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.klientbook.dk 0jFJo2kXoENs2-RyRohBLcdVmlgXgP0uYeQHsrlroK8
TXT _acme-challenge.klientbook.dk 45SfVhBiywCeP9dkTaZZDlOs-y_ZSOmuntEuzx2Wcos

🔗 TLSA / DANE#

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

🔐 DNSSEC#

193ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2416110223
Primary NS (MNAME)margo.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-20 00:15:46
FieldValue
RegistrarSimply.com A/S
Registered2005-03-11
Expires2028-03-31 (528d)

🔗 Same registrant#

8 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).

DomainRegistrar
bookbasic.dkSimply.com A/S
dinerbooking.dkSimply.com A/S
diningdays.dkSimply.com A/S
dinnerboking.dkSimply.com A/S
dinnerbooking.dkSimply.com A/S
dinnerdays.dkSimply.com A/S
dinnersaver.dkSimply.com A/S
systembook.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
69ms
A
76ms
MX
88ms
AAAA
83ms
TXT
313ms
CAA
92ms
HTTPS
98ms
TLSA
154ms
SOA
0ms
MTA-STS
132ms
DNSSEC
193ms
SRV
164ms
Total
1247ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 23:54:20 1281ms 2 NS 2 A 0 MX 🔒 Secure
2026-10-13 17:40:11 477ms 2 NS 2 A 0 MX 🔒 Secure
2026-10-08 06:36:32 584ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-30 16:11:31 872ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-29 16:05:12 shown 1247ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-25 15:21:06 710ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-24 02:59:15 837ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-26 11:20:21 1281ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-21 04:54:02 9968ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-09 05:05:31 1975ms 2 NS 2 A 0 MX 🔒 Secure
2026-07-09 23:41:46 1101ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-30 03:05:30 904ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-26 08:13:07 2011ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-23 04:18:24 1347ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-17 13:31:32 786ms 2 NS 2 A 0 MX 🔒 Secure
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