bco.dk

📜 Historical scan 2026-07-02 00:16:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bco.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.214.143.58 is hosted by Google Ireland Limited (AS43515) in The Netherlands. Mail is handled by bco-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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.214.143.58	3600s	58.143.214.35.bc.googleusercontent.com	AS43515	Google Ireland Limited	35.214.128.0/17	🇳🇱 The Netherlands	Groningen

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bco-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::5 2a01:111:f403:ca04::c 2a01:111:f403:ca09::9 52.101.68.3 52.101.68.36 52.101.68.39 52.101.73.4	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 40.104.116.24
🔶 Autoconfig	35.214.143.58

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 48ms

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

📝 TXT Records#

1 records 100ms

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

✉️ SPF#

Policy	Record (bco.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 20:49:14

www	35.214.143.58 (AS43515) (address records, no CNAME)
www vs bare domain	Same network bco.dk: 35.214.143.58 (AS43515) www.bco.dk: 35.214.143.58 (AS43515)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

112ms

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

🏷️ SOA#

30ms

Field	Value
Serial	2023082301
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

38ms

41ms

34ms

AAAA

31ms

TXT

100ms

CAA

33ms

HTTPS

35ms

TLSA

476ms

SOA

30ms

MTA-STS

58ms

DNSSEC

112ms

SRV

48ms

Total

1145ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 19:31:00	1293ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 17:00:37	1022ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 07:44:36	966ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:16:49 shown	1145ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:12:39	1378ms	2 NS 1 A 1 MX	🔒 Secure