cardio.dk

📜 Historical scan 2026-06-16 19:20:32  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cardio.dk is a .dk domain served by 2 nameservers (kanye.ns.cloudflare.com, maria.ns.cloudflare.com). It was registered on 18 November 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.1 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cardio-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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   50ms
NameserverIP addressesPTRASN / ISP
kanye.ns.cloudflare.com — — —
maria.ns.cloudflare.com — — —

🌍 A Records#

2 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.114.96.1 — — AS13335 Cloudflare, Inc. 188.114.96.0/22 — —
188.114.97.1 — — AS13335 Cloudflare, Inc. 188.114.96.0/22 — —

📧 MX Records#

1 records   69ms
PriorityTTLMail ServerIP addressesPTRASN
0 — cardio-dk.mail.protection.outlook.com 52.101.68.32
52.101.68.5
52.101.73.1
52.101.73.12		 mail-db3pr0202cu00200.inbound.protection.outlook.com
mail-du2pr03cu00105.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com
mail-am4pr0401cu00104.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records   58ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a06:98c1:3120::1 — — AS13335 Cloudflare, Inc. 2a06:98c1:3120:0:0:0:0:0/46 — —
2a06:98c1:3121::1 — — AS13335 Cloudflare, Inc. 2a06:98c1:3120:0:0:0:0:0/46 — —

🔐 HTTPS Records#

1 records   57ms
PriorityTargetSvcParams
1 service . alpn="h2" ipv4hint=188.114.96.1,188.114.97.1 ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records#

3 records   135ms
TXT Record
google-site-verification=OWOrI1mGbKySm3c1F7vn8A_UBs8JeDnIObEiGTq7q7I
MS=ms88793622
v=spf1 +a +mx +a:vps383.rackhosting.com include:spf.rackhosting.com include:spf.protection.outlook.com include:amazonses.com -all

✉️ SPF#

PolicyRecord (cardio.dk)
-all (hard fail) v=spf1 +a +mx +a:vps383.rackhosting.com include:spf.rackhosting.com include:spf.protection.outlook.com include:amazonses.com -all

📨 DMARC#

PolicyRecord (_dmarc.cardio.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:83ca6dfc68dc43698864c491bc72c202@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#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 05:44:43
www104.21.36.235 172.67.200.207 2606:4700:3033::6815:24eb 2606:4700:3037::ac43:c8cf (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYDelete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
selector1 selector1-cardio-dk._domainkey.cardiodk.a-v1.dkim.mail.microsoft RSA · ~2048 bit
selector2 selector2-cardio-dk._domainkey.cardiodk.a-v1.dkim.mail.microsoft RSA · ~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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

178ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

59ms
FieldValue
Serial2405713817
Primary NS (MNAME)kanye.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-12 00:57:55
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1999-11-18
Expires2026-12-31 (74d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
50ms
A
51ms
MX
69ms
AAAA
58ms
TXT
135ms
CAA
72ms
HTTPS
57ms
TLSA
198ms
SOA
59ms
MTA-STS
58ms
DNSSEC
178ms
SRV
0ms
Total
798ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 05:44:43 1007ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 18:46:11 1305ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 23:35:52 1334ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-28 23:26:11 1597ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 22:21:15 1071ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-19 06:40:39 1810ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-06 15:22:11 1435ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 16:55:18 1223ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-12 09:35:41 9612ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-24 02:35:08 1721ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-23 01:22:00 10091ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-19 06:22:29 2173ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-18 02:24:20 9380ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-28 19:43:30 1341ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-25 19:29:38 1054ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 23:12:27 1162ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-23 15:54:30 1720ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-21 16:21:05 1870ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-21 09:25:34 1005ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 05:16:17 2774ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-19 08:41:21 1199ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 19:21:51 1326ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 19:20:32 shown 798ms 2 NS 2 A 1 MX 🔓 Insecure
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