jesperlk.dk

📜 Historical scan 2026-09-26 19:33:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jesperlk.dk is a .dk domain served by 2 nameservers (luke.ns.cloudflare.com, rosalyn.ns.cloudflare.com). It was registered on 13 November 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.148 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cpanel.greait.cloud. 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 28ms

Nameserver	IP addresses	PTR	ASN / ISP
luke.ns.cloudflare.com	108.162.193.200 172.64.33.200 173.245.59.200 2606:4700:58::adf5:3bc8 2803:f800:50::6ca2:c1c8 2a06:98c1:50::ac40:21c8	luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosalyn.ns.cloudflare.com	108.162.194.59 162.159.38.59 172.64.34.59 2606:4700:50::a29f:263b 2803:f800:50::6ca2:c23b 2a06:98c1:50::ac40:223b	rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.16.148	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.160	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	cpanel.greait.cloud	2a01:4f8:1c17:48f7::1 88.99.124.163	cpanel.greait.cloud cpanel.greait.cloud	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1094	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:d5a0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.16.148,172.67.213.160 ech=AEX+DQBBdAAgACBjEPOpr4CoOtieuXOxYlVxZesNpiBFOa5e33U90X77XAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1094,2606:4700:3033::ac43:d5a0

📝 TXT Records#

1 records 178ms

TXT Record
v=spf1 include:spf.cpanel.greait.cloud include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (jesperlk.dk)
-all (hard fail)	v=spf1 include:spf.cpanel.greait.cloud include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.jesperlk.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 2026-10-25 17:33:36

www	104.21.16.148 172.67.213.160 2606:4700:3031::6815:1094 2606:4700:3033::ac43:d5a0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network jesperlk.dk: 104.21.16.148 172.67.213.160 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.jesperlk.dk: 104.21.16.148 172.67.213.160 2606:4700:3031::6815:1094 2606:4700:3033::ac43:d5a0 (AS13335)
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
default	—	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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.jesperlk.dk	6brtYG0kQixCNrYFmDhqG0sHX1BKsyIxlo8ag-9dtJQ
TXT	_acme-challenge.jesperlk.dk	ATYMDgc6rquGNHvUVytGno1yeEVuWfCNLW5ZKUdb01A
TXT	_acme-challenge.jesperlk.dk	V4Zr8BE3lb21TKL5N67rFj6y82wDtjW6oq30WSmRDuI
TXT	_acme-challenge.jesperlk.dk	d5JQ4-t_TaiTAMOEbtY-PgNpHgcfiUQyK6PCQDoNmZU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

121ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415922292
Primary NS (MNAME)	luke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-25 17:46:21

Field	Value
Registrar	Greait
Registered	2011-11-13
Expires	2030-07-31 (1373d)

🔗 Same registrant#

12 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).

Domain	Registrar
asterisk.dk	Greait
cloudman.dk	Greait
hca-kvarteret.dk	Greait
hcakvarteret.dk	Greait
holmjespersen.dk	Greait
jomsocial.dk	Punktum dk A/S (direct)
linde-kjeldsen.dk	Greait
lindekjeldsen.dk	Greait
stoppenaalen.dk	Greait
teambokwa.dk	Greait
vedersoeklit.dk	Greait
vedersoeklitgrundejerforening.dk	Greait

📋 WHOIS#

⏱️ Lookup Timing#

28ms

44ms

35ms

AAAA

46ms

TXT

178ms

CAA

45ms

HTTPS

50ms

TLSA

97ms

SOA

0ms

MTA-STS

57ms

DNSSEC

121ms

SRV

67ms

Total

1043ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 17:33:36	724ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-15 14:51:53	611ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-11 08:08:04	1913ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 20:19:40	1320ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 19:59:39	1196ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 19:33:16 shown	1043ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-21 07:44:20	1355ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-18 01:31:22	2870ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-07 14:40:07	970ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-06 12:44:30	1579ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-25 18:46:16	1152ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-17 14:20:04	4481ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-16 05:50:23	8681ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-13 14:00:50	2682ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-31 06:21:22	1287ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-21 00:28:33	1109ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-19 10:34:51	1177ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-29 23:53:42	1105ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 13:19:19	2190ms	2 NS 2 A 1 MX	🔒 Secure