duznet.dk DNS records

🖥️ Nameservers2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
coco.ns.cloudflare.com	108.162.192.104 172.64.32.104 173.245.58.104 2606:4700:50::adf5:3a68 2803:f800:50::6ca2:c068 2a06:98c1:50::ac40:2068	coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dom.ns.cloudflare.com	108.162.193.157 172.64.33.157 173.245.59.157 2606:4700:58::adf5:3b9d 2803:f800:50::6ca2:c19d 2a06:98c1:50::ac40:219d	dom.ns.cloudflare.com dom.ns.cloudflare.com dom.ns.cloudflare.com dom.ns.cloudflare.com dom.ns.cloudflare.com dom.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.57	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.168.6	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.duznet.dk	104.21.58.57 172.67.168.6 2606:4700:3031::6815:3a39 2606:4700:3032::ac43:a806	— — — —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.168.6
🔶 Autoconfig	104.21.58.57

🔷 AAAA Records (IPv6)2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3a39	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:a806	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=104.21.58.57,172.67.168.6 ech=AEX+DQBBRgAgACDgaNOvAMvElhFmdVdE2XGFNVk0aUo60AWhRKS1DACgUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3a39,2606:4700:3032::ac43:a806

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413228045
Primary NS (MNAME)	coco.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

33ms

MX

32ms

AAAA

35ms

TXT

165ms

CAA

34ms

HTTPS

28ms

TLSA

64ms

SOA

0ms

MTA-STS

56ms

DNSSEC

104ms

SRV

53ms

Total

698ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 20:28:37	698ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 06:15:06	13159ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-03 14:32:41	1024ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-27 18:32:18	17686ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-06 13:46:27	1113ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-05 10:24:27	1725ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-04 14:53:28	1232ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-29 09:23:37	856ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 06:15:58	724ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 12:05:35	940ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 05:05:31	605ms	2 NS 2 A 1 MX	🔓 Insecure	View