tjekhjerte.dk

📜 Historical scan 2026-06-18 01:03:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tjekhjerte.dk is a .dk domain served by 2 nameservers (jake.ns.cloudflare.com, rachel.ns.cloudflare.com). It was registered on 24 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.156 is hosted by Cloudflare, Inc. (AS13335). 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
jake.ns.cloudflare.com	108.162.193.122 172.64.33.122 173.245.59.122 2606:4700:58::adf5:3b7a 2803:f800:50::6ca2:c17a 2a06:98c1:50::ac40:217a	jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rachel.ns.cloudflare.com	108.162.192.215 172.64.32.215 173.245.58.215 2606:4700:50::adf5:3ad7 2803:f800:50::6ca2:c0d7 2a06:98c1:50::ac40:20d7	rachel.ns.cloudflare.com rachel.ns.cloudflare.com rachel.ns.cloudflare.com rachel.ns.cloudflare.com rachel.ns.cloudflare.com rachel.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 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.156	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.82	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 62ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:d252	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:259c	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 60ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.156,172.67.210.82 ech=AEX+DQBBXQAgACCKtZprehaOOcZuI8UfRINUiU1H1hp2/GZSIeULHEiwSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:d252,2606:4700:3036::6815:259c

📝 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 2026-10-09 10:20:20

www	104.21.37.156 172.67.210.82 2606:4700:3033::6815:259c 2606:4700:3037::ac43:d252 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tjekhjerte.dk: 104.21.37.156 172.67.210.82 2606:4700:3033::6815:259c 2606:4700:3037::ac43:d252 (AS13335) www.tjekhjerte.dk: 104.21.37.156 172.67.210.82 2606:4700:3033::6815:259c 2606:4700:3037::ac43:d252 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

35ms

Field	Value
Serial	2407123591
Primary NS (MNAME)	jake.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 23:13:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-09-24
Expires	2027-09-23 (330d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

66ms

54ms

AAAA

62ms

TXT

139ms

CAA

35ms

HTTPS

60ms

TLSA

64ms

SOA

35ms

MTA-STS

38ms

DNSSEC

78ms

SRV

66ms

Total

633ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:20:20	738ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 07:11:49	1853ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 06:11:55	582ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 05:28:28	1641ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-22 04:07:16	612ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-16 07:47:50	757ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-12 05:52:36	1356ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-05 05:09:20	2547ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-29 22:02:32	933ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-24 07:14:29	1028ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-21 04:11:55	8226ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-23 06:45:29	973ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 14:22:02	774ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 22:52:59	670ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 01:03:44 shown	633ms	2 NS 2 A 0 MX	🔓 Insecure