ljacobsen.dk DNS records

🖥️ Nameservers2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
arturo.ns.cloudflare.com	108.162.195.216 162.159.44.216 172.64.35.216 2606:4700:58::a29f:2cd8 2803:f800:50::6ca2:c3d8 2a06:98c1:50::ac40:23d8	arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
janet.ns.cloudflare.com	108.162.192.169 172.64.32.169 173.245.58.169 2606:4700:50::adf5:3aa9 2803:f800:50::6ca2:c0a9 2a06:98c1:50::ac40:20a9	janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.25.9	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.138	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
15	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
39	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
45	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:dd8a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:1909	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 28ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.25.9,172.67.221.138 ech=AEX+DQBBuAAgACDC6k3mhBjzq/4XBIoZSKOoR3aSOmbIoAWZ0XVi35LiRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:dd8a,2606:4700:3034::6815:1909

📝 TXT Records1 records 161ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF

Policy	Record (ljacobsen.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC

Policy	Record (_dmarc.ljacobsen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:9be277bd9a5b481c9b075da7b03e7ee0@dmarc-reports.cloudflare.net

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.ljacobsen.dk	2e67cS33c_NzxhPy6pm0-GISKXK3APg1Q39YUFKfENI
TXT	_acme-challenge.ljacobsen.dk	_g3TjYqDGi9IhsSAXAIMmpnKu8ROZmLspmHsReLNHHw

🔗 TLSA / DANE9 records 60ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…

🔐 DNSSEC97ms

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

🏷️ SOA0ms

Field	Value
Serial	2413740761
Primary NS (MNAME)	arturo.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

28ms

A

36ms

MX

34ms

AAAA

38ms

TXT

161ms

CAA

28ms

HTTPS

28ms

TLSA

60ms

SOA

0ms

MTA-STS

47ms

DNSSEC

97ms

SRV

58ms

Total

1363ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 16:04:48	1363ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-31 10:07:50	851ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-30 03:36:57	2278ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-23 13:08:13	6719ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-20 09:30:31	12865ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-18 06:18:39	6546ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-07 15:48:46	1928ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-15 05:42:45	1624ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-12 06:25:19	10144ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-29 10:43:23	2187ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-21 10:19:03	1852ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-21 09:01:17	1098ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 20:44:30	1288ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-17 19:30:32	1361ms	2 NS 2 A 3 MX	🔒 Secure	View