subunit.dk

📜 Historical scan 2026-06-26 07:25:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

subunit.dk is a .dk domain served by 3 nameservers (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 134.209.135.22 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by subunit-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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#

3 records 68ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.digitalocean.com	172.64.52.210 2606:4700:52::ac40:34d2	ns1.digitalocean.com ns1.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns2.digitalocean.com	172.64.53.21 2606:4700:5a::ac40:3515	ns2.digitalocean.com ns2.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns3.digitalocean.com	172.64.49.209 2606:4700:52::ac40:31d1	ns3.digitalocean.com ns3.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
134.209.135.22	3600s	—	AS14061	DigitalOcean, LLC	134.209.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	subunit-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca09:: 52.101.68.10 52.101.68.16 52.101.68.5 52.101.73.22	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00106.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

🔌 SRV Records#

1 records 269ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com.subunit.dk

📝 TXT Records#

1 records 404ms

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

✉️ SPF#

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

📨 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 03:24:49

www	NXDOMAIN
www vs bare domain	www does not resolve subunit.dk: 134.209.135.22 (AS14061) www.subunit.dk: no address (all like this)
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#

118ms

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

🏷️ SOA#

114ms

Field	Value
Serial	0
Primary NS (MNAME)	ns1.digitalocean.com
Responsible (RNAME)	hostmaster@subunit.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

68ms

49ms

54ms

AAAA

76ms

TXT

404ms

CAA

98ms

HTTPS

98ms

TLSA

238ms

SOA

114ms

MTA-STS

75ms

DNSSEC

118ms

SRV

269ms

Total

1094ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:24:49	1181ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-29 22:26:50	902ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-26 07:25:44 shown	1094ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 14:40:51	3598ms	3 NS 1 A 1 MX	🔓 Insecure