jacobkr.dk

📜 Historical scan 2026-10-06 13:39:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jacobkr.dk is a .dk domain served by 2 nameservers (jarred.ns.cloudflare.com, liberty.ns.cloudflare.com). It was registered on 23 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.64.232 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
jarred.ns.cloudflare.com	108.162.195.126 162.159.44.126 172.64.35.126 2606:4700:58::a29f:2c7e 2803:f800:50::6ca2:c37e 2a06:98c1:50::ac40:237e	jarred.ns.cloudflare.com jarred.ns.cloudflare.com jarred.ns.cloudflare.com jarred.ns.cloudflare.com jarred.ns.cloudflare.com jarred.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
liberty.ns.cloudflare.com	108.162.194.240 162.159.38.240 172.64.34.240 2606:4700:50::a29f:26f0 2803:f800:50::6ca2:c2f0 2a06:98c1:50::ac40:22f0	liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.64.232	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.137.149	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

7 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	173.194.222.27 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a	lo-in-f27.1e100.net li-in-x1a.1e100.net li-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:40e8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:8995	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.232,172.67.137.149 ech=AEX+DQBBGgAgACCjy3Edl7xKp0vQhADHg4esfz90X9EE8F0oNKLhtyRiTwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:40e8,2606:4700:3035::ac43:8995

📝 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 2026-10-07 14:52:52

www	104.21.64.232 172.67.137.149 2606:4700:3032::6815:40e8 2606:4700:3035::ac43:8995 (AS13335) (address records, no CNAME)
www vs bare domain	Same network jacobkr.dk: 104.21.64.232 172.67.137.149 2606:4700:3032::6815:40e8 2606:4700:3035::ac43:8995 (AS13335) www.jacobkr.dk: 104.21.64.232 172.67.137.149 2606:4700:3032::6815:40e8 2606:4700:3035::ac43:8995 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.jacobkr.dk	800gCtf46ZJ1YfdjsAvBBJ_j-HxCAI3KSXd7_cp2MP4
TXT	_acme-challenge.jacobkr.dk	bOWuA0_aJMF6QXY_Z3YM82cs2L12PsKI3jhl1sz72g0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

70ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2416768072
Primary NS (MNAME)	jarred.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 13:51:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-08-23
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

31ms

41ms

AAAA

42ms

TXT

186ms

CAA

35ms

HTTPS

38ms

TLSA

150ms

SOA

36ms

MTA-STS

49ms

DNSSEC

70ms

SRV

54ms

Total

819ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 14:52:52	4354ms	2 NS 2 A 7 MX	🔓 Insecure
2026-10-06 13:39:27 shown	819ms	2 NS 2 A 7 MX	🔓 Insecure
2026-09-26 12:01:46	892ms	2 NS 2 A 7 MX	🔓 Insecure
2026-09-11 02:43:37	769ms	2 NS 2 A 7 MX	🔓 Insecure
2026-08-24 19:31:02	1332ms	2 NS 2 A 7 MX	🔓 Insecure
2026-08-09 12:55:48	10658ms	2 NS 2 A 7 MX	🔓 Insecure
2026-06-28 21:27:06	1257ms	2 NS 2 A 7 MX	🔓 Insecure
2026-06-27 00:42:50	1032ms	2 NS 2 A 7 MX	🔓 Insecure
2026-06-25 09:12:22	1038ms	2 NS 2 A 7 MX	🔓 Insecure
2026-06-18 08:40:48	1262ms	2 NS 2 A 7 MX	🔓 Insecure