jacobkristensen.dk

📜 Historical scan 2026-08-23 11:56:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jacobkristensen.dk is a .dk domain served by 2 nameservers (glen.ns.cloudflare.com, reza.ns.cloudflare.com). It was registered on 5 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 65.21.241.43 is hosted by Hetzner Online GmbH (AS24940) in Finland. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 89ms

Nameserver	IP addresses	PTR	ASN / ISP
glen.ns.cloudflare.com	108.162.193.169 172.64.33.169 173.245.59.169 2606:4700:58::adf5:3ba9 2803:f800:50::6ca2:c1a9 2a06:98c1:50::ac40:21a9	glen.ns.cloudflare.com glen.ns.cloudflare.com glen.ns.cloudflare.com glen.ns.cloudflare.com glen.ns.cloudflare.com glen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
reza.ns.cloudflare.com	108.162.192.217 172.64.32.217 173.245.58.217 2606:4700:50::adf5:3ad9 2803:f800:50::6ca2:c0d9 2a06:98c1:50::ac40:20d9	reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 95ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
65.21.241.43	300s	smtp.beamtic.com	AS24940	Hetzner Online GmbH	65.21.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 319ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (jacobkristensen.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.jacobkristensen.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-11 16:30:16

www	NXDOMAIN
www vs bare domain	www does not resolve jacobkristensen.dk: 65.21.241.43 (AS24940) www.jacobkristensen.dk: no address (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

208ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412898056
Primary NS (MNAME)	glen.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-08-01 01:57:47

Field	Value
Registrar	ONE.COM A/S
Registered	2025-12-05
Expires	2026-12-04 (42d)

📋 WHOIS#

⏱️ Lookup Timing#

89ms

95ms

111ms

AAAA

121ms

TXT

319ms

CAA

102ms

HTTPS

76ms

TLSA

154ms

SOA

0ms

MTA-STS

136ms

DNSSEC

208ms

SRV

147ms

Total

1969ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 04:35:05	4564ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-23 11:56:18 shown	1969ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-22 10:56:29	831ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-01 01:51:23	689ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-20 18:29:45	4503ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-17 11:31:04	1233ms	2 NS 1 A 0 MX	🔓 Insecure