eckbu.dk

📜 Historical scan 2026-06-23 09:15:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

eckbu.dk is a .dk domain served by 4 nameservers (ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and 1 more). It was registered on 16 June 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.145 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by eckbu-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#

4 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 139ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.145	1800s	linux23.wannafind.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	eckbu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca09:: 2a01:111:f403:ca09::8 52.101.68.16 52.101.68.18 52.101.68.21 52.101.68.32	mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 115ms

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

📝 TXT Records#

3 records 362ms

TXT Record
MS=ms27686584
mscid=y2sIcDpV1AGQkBjgVAo8UBGJsLY9R12Ap8TgahV+NqvDx8QK2CPrCGtjOlFOJuJkVwxqFZXb8ZDMdYgKu04UnA==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (eckbu.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 2026-10-07 23:50:13

www CNAME	www.eckersberg-friskole.dk (all on eckersberg-friskole.dk) → 185.21.41.145 (AS48854)
www vs bare domain	Same network eckbu.dk: 185.21.41.145 (AS48854) www.eckbu.dk: 185.21.41.145 (AS48854)
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#

191ms

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

🏷️ SOA#

66ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-13 21:56:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-06-16
Expires	2027-06-30 (256d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
eckersberg-børneunivers.dk	Punktum dk A/S (direct)
eckersberg-friskole.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

139ms

37ms

AAAA

133ms

TXT

362ms

CAA

51ms

HTTPS

134ms

TLSA

398ms

SOA

66ms

MTA-STS

348ms

DNSSEC

191ms

SRV

115ms

Total

1312ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-19 07:42:54	1207ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-28 03:33:39	1748ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-27 11:56:54	980ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-23 09:15:36 shown	1312ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:45:53	695ms	4 NS 1 A 1 MX	🔓 Insecure