btco.dk

📜 Historical scan 2026-06-16 17:42:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

btco.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 30 October 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.149.228.11 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mxscan1.mhhosting.dk, mxscan2.mhhosting.dk. 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 269ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	—	—	—
ns2.curanet.dk	—	—	—

🌍 A Records#

1 records 239ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.149.228.11	—	webcluster01.tigermedia.eu	AS48854	team.blue Denmark A/S	185.149.228.0/24	🇩🇰 Denmark	—

📧 MX Records#

2 records 196ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mxscan1.mhhosting.dk	188.180.76.246	mxscan1.mhhosting.dk	AS3292 TDC Holding A/S
10	—	mxscan2.mhhosting.dk	188.180.76.247	mxscan2.mhhosting.dk	AS3292 TDC Holding A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-09 11:15:12

www CNAME	btco.dk (all on btco.dk) → 185.149.228.11 (AS48854)
www vs bare domain	Same network btco.dk: 185.149.228.11 (AS48854) www.btco.dk: 185.149.228.11 (AS48854)
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

386ms

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

🏷️ SOA#

191ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-15 10:19:32

Field	Value
Registrar	CURANET A/S
Registered	2013-10-30
Expires	2026-10-31 (13d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

269ms

239ms

196ms

AAAA

194ms

TXT

564ms

CAA

227ms

HTTPS

230ms

TLSA

220ms

SOA

191ms

MTA-STS

344ms

DNSSEC

386ms

SRV

0ms

Total

1892ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 05:04:04	985ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 03:24:20	721ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 03:04:05	1190ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 14:21:48	1330ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:34:57	1354ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 17:50:09	4616ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 17:42:24 shown	1892ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 17:30:51	430ms	2 NS 1 A 2 MX	🔒 Secure