jfknet.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
norman.ns.cloudflare.com	108.162.193.217 172.64.33.217 173.245.59.217 2606:4700:58::adf5:3bd9 2803:f800:50::6ca2:c1d9 2a06:98c1:50::ac40:21d9	norman.ns.cloudflare.com norman.ns.cloudflare.com norman.ns.cloudflare.com norman.ns.cloudflare.com norman.ns.cloudflare.com norman.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tessa.ns.cloudflare.com	108.162.194.229 162.159.38.229 172.64.34.229 2606:4700:50::a29f:26e5 2803:f800:50::6ca2:c2e5 2a06:98c1:50::ac40:22e5	tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	antispam.thomaskruse.dk	213.5.32.133	navsmtpsrv001.bodata.dk	AS49974 Bo data ApS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	owa.krusenet.dk → 213.5.32.160
🔶 Autoconfig	owa.krusenet.dk → 213.5.32.160

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 75ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	5	443	owa.krusenet.dk

📝 TXT Records1 records 248ms

TXT Record
v=spf1 mx a:owa.krusenet.dk ip4:213.5.32.160 include:_spf2.bodata.dk ~all

✉️ SPF

Policy	Record (jfknet.dk)
~all (soft fail)	v=spf1 mx a:owa.krusenet.dk ip4:213.5.32.160 include:_spf2.bodata.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.jfknet.dk	owa.krusenet.dk

🔗 TLSA / DANE

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

🔐 DNSSEC102ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2410978994
Primary NS (MNAME)	norman.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

50ms

A

50ms

MX

51ms

AAAA

41ms

TXT

248ms

CAA

65ms

HTTPS

47ms

TLSA

124ms

SOA

0ms

MTA-STS

77ms

DNSSEC

102ms

SRV

75ms

Total

856ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 05:07:27	856ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-26 19:14:40	2869ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-31 18:33:51	1023ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-27 07:04:51	1532ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-17 13:29:39	686ms	2 NS 0 A 1 MX	🔓 Insecure	View