duuo.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
odin.ns.cloudflare.com	108.162.195.208 162.159.44.208 172.64.35.208 2606:4700:58::a29f:2cd0 2803:f800:50::6ca2:c3d0 2a06:98c1:50::ac40:23d0	odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
reza.ns.cloudflare.com	108.162.192.217 172.64.32.217 173.245.58.217 2606:4700:50::adf5:3ad9 2803:f800:50::6ca2:c0d9 2a06:98c1:50::ac40:20d9	reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	3600s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records1 records 21ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	duuo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::8 52.101.68.18 52.101.68.21 52.101.73.24 52.101.73.26	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records7 records 149ms

TXT Record
canva-domain-verify=16a3c3fb-aa76-44b5-a964-e1b0cf2dc7e4
google-site-verification=d18x2ekPrUkF14UqXx7EqWDW9jWMpI5UmMtR9gTaIdQ
google-site-verification=QYEbk_w1djDxMelCJ3i6tDGLwI-_BrugnH_WPltDvIY
google-site-verification=VhvrwGiRqWQGiJMIvw7Kb9t2lW8zzcnZAPTmVOWCwp4
include:9329592.spf10.hubspotemail.net
openai-domain-verification=dv-ULVY3u6GolampMg8aYdrI8M5
v=spf1 include:spf.protection.outlook.com include:9329592.spf10.hubspotemail.net -all

✉️ SPF

Policy	Record (duuo.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:9329592.spf10.hubspotemail.net -all

📨 DMARC

Policy	Record (_dmarc.duuo.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:frederik@duuo.dk

📬 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)

🔐 DNSSEC108ms

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	2413300812
Primary NS (MNAME)	odin.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

31ms

A

30ms

MX

21ms

AAAA

39ms

TXT

149ms

CAA

25ms

HTTPS

23ms

TLSA

482ms

SOA

0ms

MTA-STS

49ms

DNSSEC

108ms

SRV

64ms

Total

992ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:07:40	992ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 06:47:35	1584ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 21:37:40	6328ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-11 04:25:57	4167ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-22 22:09:20	17103ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 19:16:15	41535ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-11 23:38:21	10439ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-03 11:12:51	9311ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-29 07:18:11	1537ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 19:06:04	1872ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 22:11:55	1154ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 05:05:44	664ms	2 NS 1 A 1 MX	🔓 Insecure	View