jesperkarlshoj.dk

📜 Historical scan 2026-07-27 04:12:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jesperkarlshoj.dk is a .dk domain served by 2 nameservers (gerald.ns.cloudflare.com, may.ns.cloudflare.com). It was registered on 8 December 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.92 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mxext1.mailbox.org, mxext2.mailbox.org and 1 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 58ms

Nameserver	IP addresses	PTR	ASN / ISP
gerald.ns.cloudflare.com	108.162.193.168 172.64.33.168 173.245.59.168 2606:4700:58::adf5:3ba8 2803:f800:50::6ca2:c1a8 2a06:98c1:50::ac40:21a8	gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
may.ns.cloudflare.com	108.162.192.135 172.64.32.135 173.245.58.135 2606:4700:50::adf5:3a87 2803:f800:50::6ca2:c087 2a06:98c1:50::ac40:2087	may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.65.92	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.183	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mxext1.mailbox.org	2001:67c:2050:104:0:1:25:1 80.241.60.212	mx1.mailbox.org mx1.mailbox.org	AS199118 Heinlein Support GmbH AS199118 Heinlein Support GmbH
10	300s	mxext2.mailbox.org	2001:67c:2050:104:0:2:25:1	mx2.mailbox.org	AS199118 Heinlein Support GmbH
20	300s	mxext3.mailbox.org	2001:67c:2050:104:0:3:25:1 80.241.60.216	mx3.mailbox.org mx3.mailbox.org	AS199118 Heinlein Support GmbH AS199118 Heinlein Support GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.mailbox.org → 185.97.174.46

🔷 AAAA Records (IPv6)#

2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:bdb7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:415c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.65.92,172.67.189.183 ech=AEX+DQBB2AAgACAT+h9OHslhyT7m+x8udL6RxwW89YFtGo6GuEuV8WD6SwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bdb7,2606:4700:3036::6815:415c

🔌 SRV Records#

1 records 8095ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mailbox.org

📝 TXT Records#

1 records 206ms

TXT Record
v=spf1 include:mailbox.org ~all

✉️ SPF#

Policy	Record (jesperkarlshoj.dk)
~all (soft fail)	v=spf1 include:mailbox.org ~all

📨 DMARC#

Policy	Record (_dmarc.jesperkarlshoj.dk)
p=none (monitor only)	v=DMARC1;p=none;rua=mailto:postmaster@jesperkarlshoj.dk

📬 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 2026-10-08 13:23:11

www	Exists, no address
www vs bare domain	www does not resolve jesperkarlshoj.dk: 104.21.65.92 172.67.189.183 2606:4700:3030::ac43:bdb7 2606:4700:3036::6815:415c (AS13335) www.jesperkarlshoj.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records 16081ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…

🔐 DNSSEC#

136ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2410556253
Primary NS (MNAME)	gerald.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 00:55:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-12-08
Expires	2027-12-07 (408d)

📋 WHOIS#

⏱️ Lookup Timing#

58ms

48ms

49ms

AAAA

50ms

TXT

206ms

CAA

48ms

HTTPS

43ms

TLSA

16081ms

SOA

0ms

MTA-STS

96ms

DNSSEC

136ms

SRV

8095ms

Total

25636ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 00:47:36	1657ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-03 00:45:35	965ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-29 23:26:28	908ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-24 13:04:39	1322ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-14 21:25:14	3987ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-26 19:35:23	1329ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-25 13:45:33	1200ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-17 03:08:50	5207ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-27 04:12:05 shown	25636ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-24 02:29:19	9878ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-14 16:37:40	11042ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-30 10:19:30	2076ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-26 18:37:19	2645ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-22 02:41:52	912ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 07:52:42	24233ms	2 NS 2 A 3 MX	🔒 Secure