bcosko.dk

📜 Historical scan 2026-06-21 10:53:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bcosko.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 2 May 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.bcosko.dk, backup-mx.zitcom.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 275ms

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 272ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	300s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

2 records 206ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.bcosko.dk	80.160.71.163	mail1.curanet.dk	AS3292 TDC Holding A/S
20	3600s	backup-mx.zitcom.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark 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 10:13:13

www	77.66.84.59 (AS47292) (address records, no CNAME)
www vs bare domain	Different networks bcosko.dk: 93.191.155.240 (AS48854) www.bcosko.dk: 77.66.84.59 (AS47292) (all like this)
Wildcard	No
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#

443ms

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

🏷️ SOA#

252ms

Field	Value
Serial	2021111801
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 2026-10-14 18:34:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-05-02
Expires	2027-05-31 (224d)

🔗 Same registrant#

12 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
minskobutik.dk	Punktum dk A/S (direct)
nordic-softness.dk	Punktum dk A/S (direct)
nordicsoftness.dk	Punktum dk A/S (direct)
noteshoes.dk	CURANET A/S
shoeaddict.dk	Punktum dk A/S (direct)
shoedvision.dk	Punktum dk A/S (direct)
shoefair.dk	Punktum dk A/S (direct)
shoeinsight.dk	CURANET A/S
shoenet.dk	Punktum dk A/S (direct)
shoeshow.dk	Punktum dk A/S (direct)
shoevis.dk	Punktum dk A/S (direct)
skoringen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

275ms

272ms

206ms

AAAA

191ms

TXT

575ms

CAA

276ms

HTTPS

255ms

TLSA

223ms

SOA

252ms

MTA-STS

318ms

DNSSEC

443ms

SRV

327ms

Total

2234ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-19 11:55:11	529ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-03 00:14:05	535ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-28 01:20:07	613ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-29 11:06:39	646ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-25 07:25:53	920ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-24 18:23:29	578ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-21 10:53:16 shown	2234ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 00:07:05	1091ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 14:12:24	599ms	2 NS 1 A 2 MX	🔒 Secure