tjekhjerte.dk

📜 Historical scan 2026-09-30 07:11:49 · ← 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 103ms

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 336ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.156	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.82	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 142ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:259c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d252	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 129ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.156,172.67.210.82 ech=AEX+DQBBygAgACAFAy49/FcGkfmoW9b1T7E7u3RQ/U8Nt4mNfRW75BfQMgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:259c,2606:4700:3037::ac43:d252

📝 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#

520ms

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

🏷️ SOA#

89ms

Field	Value
Serial	2416151549
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#

103ms

336ms

86ms

AAAA

142ms

TXT

492ms

CAA

395ms

HTTPS

129ms

TLSA

548ms

SOA

89ms

MTA-STS

235ms

DNSSEC

520ms

SRV

414ms

Total

1853ms

🕐 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 shown	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	633ms	2 NS 2 A 0 MX	🔓 Insecure