duolink.dk

📜 Historical scan 2026-06-17 05:16:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

duolink.dk is a .dk domain served by 2 nameservers (ns61.domaincontrol.com, ns62.domaincontrol.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 134.149.184.219 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by duolink-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 1005ms

Nameserver	IP addresses	PTR	ASN / ISP
ns61.domaincontrol.com	—	—	—
ns62.domaincontrol.com	—	—	—

🌍 A Records#

1 records 1495ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
134.149.184.219	—	—	AS8075	Microsoft Corporation	134.149.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 1105ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	duolink-dk.mail.protection.outlook.com	52.101.68.12 52.101.68.21 52.101.68.3 52.101.73.30	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 2285ms

TXT Record
MS=ms55255551
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (duolink.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.duolink.dk)
p=reject	v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 03:19:09

www CNAME	duolink.dk (all on duolink.dk) → 134.149.184.219 (AS8075)
www vs bare domain	Same network duolink.dk: 134.149.184.219 (AS8075) www.duolink.dk: 134.149.184.219 (AS8075)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

3587ms

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

🏷️ SOA#

1712ms

Field	Value
Serial	2025100900
Primary NS (MNAME)	ns61.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

1005ms

1495ms

1105ms

AAAA

1831ms

TXT

2285ms

CAA

760ms

HTTPS

1919ms

TLSA

1752ms

SOA

1712ms

MTA-STS

1928ms

DNSSEC

3587ms

SRV

0ms

Total

19114ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 03:19:09	1301ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 17:14:51	963ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-21 09:14:51	10316ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-19 23:13:34	1451ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:16:28 shown	19114ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:12:02	1649ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:05:50	705ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:00:45	3534ms	2 NS 1 A 1 MX	🔓 Insecure