jesperbuch.dk

📜 Historical scan 2026-08-24 16:57:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jesperbuch.dk is a .dk domain served by 2 nameservers (coraline.ns.cloudflare.com, rory.ns.cloudflare.com). It was registered on 23 May 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.41.89 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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 105ms

Nameserver	IP addresses	PTR	ASN / ISP
coraline.ns.cloudflare.com	108.162.194.88 162.159.38.88 172.64.34.88 2606:4700:50::a29f:2658 2803:f800:50::6ca2:c258 2a06:98c1:50::ac40:2258	coraline.ns.cloudflare.com coraline.ns.cloudflare.com coraline.ns.cloudflare.com coraline.ns.cloudflare.com coraline.ns.cloudflare.com coraline.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rory.ns.cloudflare.com	108.162.195.166 162.159.44.166 172.64.35.166 2606:4700:58::a29f:2ca6 2803:f800:50::6ca2:c3a6 2a06:98c1:50::ac40:23a6	rory.ns.cloudflare.com rory.ns.cloudflare.com rory.ns.cloudflare.com rory.ns.cloudflare.com rory.ns.cloudflare.com rory.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 115ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.89	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.163.71	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.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
20	300s	alt2.aspmx.l.google.com	172.253.148.26 2a00:1450:4025:4401::1a	yuskedq-in-f26.1e100.net yuskedq-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	192.178.213.26 2a00:1450:4013:c1e::1a	yugrqzs-in-f26.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 115ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:2959	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a347	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 100ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.89,172.67.163.71 ech=AEX+DQBBRAAgACDYnv9+PL+keWv1TnVKLsI702zL/ow2lTFJ+sEJmsd5OwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:2959,2606:4700:3036::ac43:a347

📝 TXT Records#

1 records 1161ms

TXT Record
google-site-verification=ObOImX3Fu3IHG94l3Z8Y4MZcWZazxPLWPJVFv1FqVCU

✉️ 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 10:23:28

www	104.21.41.89 172.67.163.71 2606:4700:3035::6815:2959 2606:4700:3036::ac43:a347 (AS13335) (address records, no CNAME)
www vs bare domain	Same network jesperbuch.dk: 188.114.96.1 188.114.97.1 2606:4700:3035::6815:2959 2606:4700:3036::ac43:a347 (AS13335) www.jesperbuch.dk: 104.21.41.89 172.67.163.71 2606:4700:3035::6815:2959 2606:4700:3036::ac43:a347 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.jesperbuch.dk	0bNzP75gnycPz5Ijv4k3DSPO6O7QxC6ghIp_loDepdo
TXT	_acme-challenge.jesperbuch.dk	dar2QrI5q5lo7l4EMt-z1BGtSSq43ekA8FACBuP6Nrc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

314ms

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	2413001980
Primary NS (MNAME)	coraline.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 06:06:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-05-23
Expires	2027-05-31 (222d)

🔗 Same registrant#

3 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
3steps.dk	ONE.COM A/S
leadtech.dk	Punktum dk A/S (direct)
tilbudkonfigurator.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

105ms

115ms

99ms

AAAA

115ms

TXT

1161ms

CAA

79ms

HTTPS

100ms

TLSA

239ms

SOA

0ms

MTA-STS

204ms

DNSSEC

314ms

SRV

184ms

Total

4084ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:23:28	479ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-23 12:11:34	1517ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-30 14:03:29	2527ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-29 13:04:38	1478ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-28 11:07:40	763ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 13:32:54	790ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-24 16:57:07 shown	4084ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-17 22:21:26	4830ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-13 10:27:22	1690ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-22 23:02:31	4101ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 13:28:25	904ms	2 NS 2 A 5 MX	🔓 Insecure