jesperkristensen.dk

📜 Historical scan 2026-07-19 15:59:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jesperkristensen.dk is a .dk domain served by 2 nameservers (irma.ns.cloudflare.com, rommy.ns.cloudflare.com). It was registered on 26 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.105.95.143 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
irma.ns.cloudflare.com	108.162.192.166 172.64.32.166 173.245.58.166 2606:4700:50::adf5:3aa6 2803:f800:50::6ca2:c0a6 2a06:98c1:50::ac40:20a6	irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rommy.ns.cloudflare.com	108.162.195.20 162.159.44.20 172.64.35.20 2606:4700:58::a29f:2c14 2803:f800:50::6ca2:c314 2a06:98c1:50::ac40:2314	rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.105.95.143	300s	li2056-143.members.linode.com	AS63949	Akamai Connected Cloud	172.105.0.0/17	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

5 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.9.27 2a00:1450:4025:c01::1b	rc-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 63ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7e01::f03c:92ff:fe96:eb99	300s	—	AS63949	Akamai Connected Cloud	2a01:7e00:0:0:0:0:0:0/30	🇩🇪 Germany	Frankfurt am Main

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.jesperkristensen.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-24 01:43:02

www	172.105.95.143 2a01:7e01::f03c:92ff:fe96:eb99 (AS63949) (address records, no CNAME)
www vs bare domain	Same network jesperkristensen.dk: 172.105.95.143 2a01:7e01::f03c:92ff:fe96:eb99 (AS63949) www.jesperkristensen.dk: 172.105.95.143 2a01:7e01::f03c:92ff:fe96:eb99 (AS63949)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

185ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2409949005
Primary NS (MNAME)	irma.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 09:41:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-05-26
Expires	2027-05-31 (219d)

🔗 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#

45ms

49ms

57ms

AAAA

63ms

TXT

194ms

CAA

43ms

HTTPS

72ms

TLSA

260ms

SOA

0ms

MTA-STS

112ms

DNSSEC

185ms

SRV

109ms

Total

1417ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 01:43:02	690ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-21 23:24:06	964ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-15 15:14:44	2504ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-26 19:32:15	1058ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-22 11:14:27	1144ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-17 15:24:48	3332ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-07 10:35:32	2503ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-28 00:56:53	1023ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-18 16:50:24	5580ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-10 04:10:06	3726ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-19 15:59:45 shown	1417ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-17 04:23:43	1708ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-25 18:21:51	1061ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 12:06:59	878ms	2 NS 1 A 5 MX	🔒 Secure