jesperkarlshoj.dk DNS records

🖥️ Nameservers2 records 65ms

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 Records2 records 53ms

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 Records3 records 47ms

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 80.241.60.215	mx2.mailbox.org mx2.mailbox.org	AS199118 Heinlein-Support GmbH 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 41ms

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 Records1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.65.92,172.67.189.183 ech=AEX+DQBBcgAgACBa8DKtU0zaA1yY/+WsgYOlX2FVgfyEb3aS8/q11JwNKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bdb7,2606:4700:3036::6815:415c

🔌 SRV Records1 records 85ms

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

📝 TXT Records1 records 240ms

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

🔗 TLSA / DANE9 records 81ms

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

🔐 DNSSEC87ms

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

🏷️ SOA0ms

Field	Value
Serial	2412397052
Primary NS (MNAME)	gerald.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

65ms

A

53ms

MX

47ms

AAAA

41ms

TXT

240ms

CAA

42ms

HTTPS

45ms

TLSA

81ms

SOA

0ms

MTA-STS

72ms

DNSSEC

87ms

SRV

85ms

Total

1329ms

🕐 Scan History

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