jlibsen.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.atznet.dk	195.242.130.110 2001:67c:564:fffb::ffff	ns1.atznet.dk —	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.atznet.dk	2a00:1b18:2:3:2::2 62.69.152.36	ns2.atznet.dk ns2.atznet.dk	AS47527 DLX A/S AS47527 DLX A/S

🌍 A Records1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.130.99	3600s	web2.atznet.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx4.spamfri.dk	193.200.91.108 2001:67c:564:fffd::4001	mx4.spamfri.dk mx4.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	3600s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	3600s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43 62.69.152.43	mx3.spamfri.dk 43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	jlibsen.dk → 195.242.130.99
🔶 Autoconfig	jlibsen.dk → 195.242.130.99

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 147ms

TXT Record
v=spf1 include:_spf.atznet.dk -all

✉️ SPF

Policy	Record (jlibsen.dk)
-all (hard fail)	v=spf1 include:_spf.atznet.dk -all

📨 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.jlibsen.dk	jlibsen.dk

🔗 TLSA / DANE3 records 63ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…
SMTP _25._tcp.mx4.spamfri.dk	DANE-EE · SPKI · SHA-256	4EE743A99328AEF5142706CA5FD3AD61…

🔐 DNSSEC83ms

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

🏷️ SOA0ms

Field	Value
Serial	2021012605
Primary NS (MNAME)	ns1.atznet.dk
Responsible (RNAME)	hostmaster@atznet.dk
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	172800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

40ms

MX

41ms

AAAA

45ms

TXT

147ms

CAA

36ms

HTTPS

38ms

TLSA

63ms

SOA

0ms

MTA-STS

54ms

DNSSEC

83ms

SRV

62ms

Total

690ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 13:10:45	690ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-28 03:53:31	731ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 00:28:57	1070ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-22 23:39:20	1034ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 00:17:16	864ms	2 NS 1 A 3 MX	⚠️ Bogus	View
2026-06-21 03:45:05	718ms	2 NS 1 A 3 MX	⚠️ Bogus	View
2026-06-18 02:53:27	806ms	2 NS 1 A 3 MX	🔒 Secure	View