dk3.dk

📜 Historical scan 2026-08-12 08:46:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dk3.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.40.29.51 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by dk3-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.40.29.51	600s	dedi3051.your-server.de	AS24940	Hetzner Online GmbH	188.40.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dk3-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 52.101.68.0 52.101.73.22 52.101.73.24 52.101.73.6	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.8
🔶 Autoconfig	dk3.dk → 188.40.29.51

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 185ms

TXT Record
google-site-verification=G8B41_fW7_krRyeTa8X3Dr8cjIWPXBTDq77VaiTk7F4
v=spf1 include:spf.protection.outlook.com include:_spf.presscloud.com ip4:89.150.134.201 include:spf.eu.signature365.net include:spf.curanet.dk -all

✉️ SPF#

Policy	Record (dk3.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.presscloud.com ip4:89.150.134.201 include:spf.eu.signature365.net include:spf.curanet.dk -all

📨 DMARC#

Policy	Record (_dmarc.dk3.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:watchdog2@watchdog.kevlarr.io; ruf=mailto:watchdog2@watchdog.kevlarr.io;

📬 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 2026-10-17 10:06:16

www	Exists, no address
www vs bare domain	www does not resolve dk3.dk: 188.40.29.51 (AS24940) www.dk3.dk: no address (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-dk3-dk._domainkey.infodk3.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

81ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026081202
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

43ms

45ms

53ms

AAAA

44ms

TXT

185ms

CAA

41ms

HTTPS

53ms

TLSA

953ms

SOA

0ms

MTA-STS

67ms

DNSSEC

81ms

SRV

73ms

Total

2045ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 10:06:16	3840ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 23:28:41	1117ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 18:05:03	971ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 13:58:48	1192ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 20:15:59	5496ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 08:46:52 shown	2045ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 03:25:40	1343ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 22:00:29	2503ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 04:55:08	2479ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 14:03:06	1441ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 03:42:34	744ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 03:40:59	2475ms	2 NS 1 A 1 MX	🔒 Secure