duolink.dk

📜 Historical scan 2026-09-21 09:14:51 · ← 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 61ms

Nameserver	IP addresses	PTR	ASN / ISP
ns61.domaincontrol.com	2603:5:2153::20 97.74.101.32	ns61.domaincontrol.com ns61.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
ns62.domaincontrol.com	173.201.69.32 2603:5:2253::20	ns62.domaincontrol.com ns62.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records#

1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
134.149.184.219	3600s	—	AS8075	Microsoft Corporation	134.149.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	duolink-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca48::8 2a01:111:f403:ca48::a 2a01:111:f403:ca48::c 52.101.103.140 52.101.181.153 52.101.185.24 52.101.91.159	mail-dbapr03cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 249ms

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#

9084ms

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

🏷️ SOA#

0ms

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#

61ms

55ms

71ms

AAAA

53ms

TXT

249ms

CAA

51ms

HTTPS

46ms

TLSA

885ms

SOA

0ms

MTA-STS

64ms

DNSSEC

9084ms

SRV

101ms

Total

10316ms

🕐 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 shown	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	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