dkbu.dk

📜 Historical scan 2026-07-15 03:57:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dkbu.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.12 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by dkbu-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

2 records 49ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.12	43200s	nt29.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	dkbu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca09::6 2a01:111:f403:ca09::7 52.101.68.12 52.101.73.19 52.101.73.2 52.101.73.4	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr83cu00404.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 196ms

TXT Record
MS=ms11016134
v=spf1 include:spf.protection.outlook.com include:_spf.google.com ~all

✉️ SPF#

Policy	Record (dkbu.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_spf.google.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 2026-10-10 07:36:31

www CNAME	dns.umbraco.io (all on umbraco.io) → 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
www vs bare domain	Same network dkbu.dk: 162.159.140.127 172.66.0.125 (AS13335) www.dkbu.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

125ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071402
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-03 02:07:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-09-05
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

51ms

39ms

AAAA

48ms

TXT

196ms

CAA

36ms

HTTPS

36ms

TLSA

293ms

SOA

0ms

MTA-STS

127ms

DNSSEC

125ms

SRV

125ms

Total

1212ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 01:35:00	3860ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-23 23:52:22	1077ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 03:17:44	1737ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 17:27:29	1398ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 00:46:10	1078ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 21:06:33	1433ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:11:29	879ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 06:49:20	1324ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 03:57:27 shown	1212ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 21:04:41	1903ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 15:34:09	1275ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 03:45:37	653ms	2 NS 1 A 1 MX	🔒 Secure