carlskalender.dk

📜 Historical scan 2026-06-20 03:59:40  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

carlskalender.dk is a .dk domain served by 2 nameservers (gwen.ns.cloudflare.com, matteo.ns.cloudflare.com). It was registered on 1 November 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.56.159 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.carlskalender.dk. The zone is DNSSEC-signed but currently fails validation, 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   116ms
NameserverIP addressesPTRASN / ISP
gwen.ns.cloudflare.com 108.162.192.160
172.64.32.160
173.245.58.160
2606:4700:50::adf5:3aa0
2803:f800:50::6ca2:c0a0
2a06:98c1:50::ac40:20a0		 gwen.ns.cloudflare.com
gwen.ns.cloudflare.com
gwen.ns.cloudflare.com
gwen.ns.cloudflare.com
gwen.ns.cloudflare.com
gwen.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
matteo.ns.cloudflare.com 108.162.195.224
162.159.44.224
172.64.35.224
2606:4700:58::a29f:2ce0
2803:f800:50::6ca2:c3e0
2a06:98c1:50::ac40:23e0		 matteo.ns.cloudflare.com
matteo.ns.cloudflare.com
matteo.ns.cloudflare.com
matteo.ns.cloudflare.com
matteo.ns.cloudflare.com
matteo.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   138ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.56.159 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.187.41 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   148ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail.carlskalender.dk 91.98.164.52 mail.lab11.dk AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

2 records   103ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::ac43:bb29 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:389f 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   101ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.56.159,172.67.187.41 ech=AEX+DQBBEAAgACAMNs+N3CZyuNdAw68DeDISZizAtXC/G+vpfIRHCw46HQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:bb29,2606:4700:3035::6815:389f

📝 TXT Records#

2 records   285ms
TXT Record
google-site-verification=Uex5DVp26h5wOWdSh9c2iNU_6uI8GZmaYVsogqHuf6k
v=spf1 +a +mx -all +a:repo.dk

✉️ SPF#

PolicyRecord (carlskalender.dk)
-all (hard fail) v=spf1 +a +mx -all +a:repo.dk

📨 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 2026-10-19 13:38:00
www104.21.56.159 172.67.187.41 2606:4700:3031::6815:389f 2606:4700:3037::ac43:bb29 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.carlskalender.dk IwhzKLeMNUv7xNINh_rADGn5ettcXPpC-9zitM7m6Wg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

189ms
CheckResult
Validation Status⚠️ Bogus
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsbroken trust chain resolving 'carlskalender.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

69ms
FieldValue
Serial2406640429
Primary NS (MNAME)gwen.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-19 13:53:05
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2017-11-01
Expires2026-11-30 (34d)

🔗 Same registrant#

2 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
lab11.dkPunktum dk A/S (direct)
repo.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
116ms
A
138ms
MX
148ms
AAAA
103ms
TXT
285ms
CAA
66ms
HTTPS
101ms
TLSA
99ms
SOA
69ms
MTA-STS
44ms
DNSSEC
189ms
SRV
2102ms
Total
2685ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 13:38:00 1633ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-02 13:23:59 499ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 22:00:46 2535ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 05:20:50 758ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-22 13:41:31 735ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 13:39:50 979ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 11:34:07 1112ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-20 20:55:16 7842ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-18 20:22:33 4047ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-27 07:31:32 980ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-22 00:52:23 1081ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-25 20:22:29 976ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 19:36:47 554ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 03:59:40 shown 2685ms 2 NS 2 A 1 MX ⚠️ Bogus
2026-06-19 12:49:06 1125ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 19:25:15 918ms 2 NS 2 A 1 MX 🔓 Insecure
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