jsknet.dk DNS records

🖥️ Nameservers2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
harvey.ns.cloudflare.com	108.162.195.152 162.159.44.152 172.64.35.152 2606:4700:58::a29f:2c98 2803:f800:50::6ca2:c398 2a06:98c1:50::ac40:2398	harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ulla.ns.cloudflare.com	108.162.192.233 172.64.32.233 173.245.58.233 2606:4700:50::adf5:3ae9 2803:f800:50::6ca2:c0e9 2a06:98c1:50::ac40:20e9	ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.13	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.222.52	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.nnd.dk	46.224.140.192	mail.nnd.dk	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.54.13
🔶 Autoconfig	mail.nnd.dk → 46.224.140.192

🔷 AAAA Records (IPv6)2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:de34	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:360d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.13,172.67.222.52 ech=AEX+DQBBmgAgACD5idu/8YisJYN71y7dIfmC8zhZJt4K4vFs1eLqFApNZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:de34,2606:4700:3034::6815:360d

🔌 SRV Records2 records 73ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	5	443	mail.nnd.dk
_imaps._tcp	0	1	993	mail.nnd.dk

📝 TXT Records1 records 151ms

TXT Record
v=spf1 mx a -all

✉️ SPF

Policy	Record (jsknet.dk)
-all (hard fail)	v=spf1 mx a -all

📨 DMARC

Policy	Record (_dmarc.jsknet.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:postmaster@jsknet.dk; ri=86400; aspf=s; adkim=s; fo=1

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:postmaster@jsknet.dk

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 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	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413295485
Primary NS (MNAME)	harvey.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

26ms

A

30ms

MX

27ms

AAAA

31ms

TXT

151ms

CAA

24ms

HTTPS

36ms

TLSA

75ms

SOA

0ms

MTA-STS

44ms

DNSSEC

102ms

SRV

73ms

Total

680ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:44:34	680ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-10 17:41:34	1137ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-27 19:14:17	1882ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-29 06:34:02	2047ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 09:36:47	1045ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 19:55:00	1178ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 23:06:05	919ms	2 NS 2 A 1 MX	🔓 Insecure	View