jesperbuch.dk

📜 Historical scan 2026-08-13 10:27:22  ·  ← 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   31ms
NameserverIP addressesPTRASN / 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   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   79ms
PriorityTTLMail ServerIP addressesPTRASN
1 300s aspmx.l.google.com 2a00:1450:4010:c0e::1a
2a00:1450:4010:c0e::1a
74.125.205.26		 lu-in-f26.1e100.net
lu-in-x1a.1e100.net
le-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
10 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
10 300s aspmx3.googlemail.com 173.194.41.26
173.194.41.26
2404:6800:4001:c01::1b		 mad01s14-in-f26.1e100.net
yukulwh-in-f26.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
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		 mad01s14-in-f27.1e100.net
yukulwh-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

🔷 AAAA Records (IPv6)#

2 records   38ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   51ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.41.89,172.67.163.71 ech=AEX+DQBBJgAgACCo++7wC8rb3slP+Wd3MHPIEm/jZzHdgoNmVwM604wZJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:2959,2606:4700:3036::ac43:a347

📝 TXT Records#

1 records   253ms
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
www104.21.41.89 172.67.163.71 2606:4700:3035::6815:2959 2606:4700:3036::ac43:a347 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.jesperbuch.dk cuQ7zyYdxubtBNbimEW21quTyfmMDV0y9oYv9-c2Tto
TXT _acme-challenge.jesperbuch.dk oL1cDImgFkEAGM-8YcR-my3FbB49w_4KvD_mfHzBw4A

🔗 TLSA / DANE#

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

🔐 DNSSEC#

84ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412077894
Primary NS (MNAME)coraline.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-12 06:06:18
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2006-05-23
Expires2027-05-31 (221d)

🔗 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).

DomainRegistrar
3steps.dkONE.COM A/S
leadtech.dkPunktum dk A/S (direct)
tilbudkonfigurator.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
60ms
MX
79ms
AAAA
38ms
TXT
253ms
CAA
40ms
HTTPS
51ms
TLSA
114ms
SOA
0ms
MTA-STS
70ms
DNSSEC
84ms
SRV
64ms
Total
1690ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone