b3ck.dk

📜 Historical scan 2026-06-16 13:57:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b3ck.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 10 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, publishes a 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#

5 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	—	—	—
ns2.gigahost.dk	—	—	—
ns3.gigahost.dk	—	—	—
ns4.gigahost.dk	—	—	—
ns5.gigahost.dk	—	—	—

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	—	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records#

3 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	—	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	—	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 179ms

TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF#

Policy	Record (b3ck.dk)
-all (hard fail)	v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC#

Policy	Record (_dmarc.b3ck.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-16 00:25:58

www CNAME	b3ck.dk (all on b3ck.dk) → 46.183.138.100 (AS47292)
www vs bare domain	Same network b3ck.dk: 46.183.138.100 (AS47292) www.b3ck.dk: 46.183.138.100 (AS47292)
Wildcard	Yes: any name under the zone resolves

🔎 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#

118ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026061101
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@b3ck.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-16 00:34:46

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-01-10
Expires	2027-01-09 (79d)

🔗 Same registrant#

3 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
blaekhouse.dk	DANDOMAIN A/S
blækhouse.dk	DANDOMAIN A/S
holblaek.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

41ms

39ms

43ms

AAAA

41ms

TXT

179ms

CAA

39ms

HTTPS

39ms

TLSA

117ms

SOA

40ms

MTA-STS

42ms

DNSSEC

118ms

SRV

0ms

Total

748ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 00:25:58	752ms	5 NS 1 A 3 MX	🔓 Insecure
2026-10-08 16:20:24	2481ms	5 NS 1 A 3 MX	🔓 Insecure
2026-10-01 14:10:40	1456ms	5 NS 1 A 3 MX	🔓 Insecure
2026-09-25 13:02:14	900ms	5 NS 1 A 3 MX	🔓 Insecure
2026-09-24 06:31:32	777ms	5 NS 1 A 3 MX	🔓 Insecure
2026-09-23 03:06:08	991ms	5 NS 1 A 3 MX	🔓 Insecure
2026-09-12 23:16:11	1263ms	5 NS 1 A 3 MX	🔓 Insecure
2026-09-03 17:57:46	1319ms	5 NS 1 A 3 MX	🔓 Insecure
2026-08-28 03:18:24	720ms	5 NS 1 A 3 MX	🔓 Insecure
2026-08-21 00:22:37	2210ms	5 NS 1 A 3 MX	🔓 Insecure
2026-08-13 21:44:59	1217ms	5 NS 1 A 3 MX	🔓 Insecure
2026-08-06 14:33:40	1211ms	5 NS 1 A 3 MX	🔓 Insecure
2026-07-24 01:58:31	2735ms	5 NS 1 A 3 MX	🔓 Insecure
2026-07-16 20:48:07	975ms	5 NS 1 A 3 MX	🔓 Insecure
2026-07-11 10:00:45	9889ms	5 NS 1 A 3 MX	🔓 Insecure
2026-07-03 13:08:34	2650ms	5 NS 1 A 3 MX	🔓 Insecure
2026-06-25 23:42:56	918ms	5 NS 1 A 3 MX	🔓 Insecure
2026-06-24 07:22:46	5099ms	5 NS 1 A 3 MX	🔓 Insecure
2026-06-23 10:41:32	1179ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 21:56:23	1212ms	5 NS 1 A 3 MX	🔓 Insecure
2026-06-21 04:08:12	1113ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:57:28 shown	748ms	5 NS 1 A 3 MX	🔓 Insecure