busack.dk

📜 Historical scan 2026-09-27 18:53:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

busack.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 May 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

7 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	aspmx.l.google.com	209.85.233.26 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b	lr-in-f26.1e100.net lf-in-f27.1e100.net lf-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	600s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	600s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	600s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	600s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 155ms

TXT Record
google-site-verification=EV0pJv3WB0NrM0W3KMe_m7o0w-bkYGfVYUY3IMa6-3I
v=spf1 a:busack.dk mx ptr ?all

✉️ SPF#

Policy	Record (busack.dk)
?all (neutral)	v=spf1 a:busack.dk mx ptr ?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 2026-10-11 07:45:54

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves busack.dk: no address www.busack.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026090901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-11 08:10:11

Field	Value
Registrar	ONE.COM A/S
Registered	1999-05-04
Expires	2027-06-30 (253d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

32ms

37ms

AAAA

36ms

TXT

155ms

CAA

32ms

HTTPS

37ms

TLSA

76ms

SOA

0ms

MTA-STS

47ms

DNSSEC

76ms

SRV

46ms

Total

659ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 07:45:54	848ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-27 18:53:28 shown	659ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-12 13:28:57	761ms	2 NS 0 A 7 MX	🔒 Secure
2026-08-10 23:32:01	4476ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-15 00:11:45	1508ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-11 18:24:04	1763ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-20 01:01:08	1428ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-16 17:45:22	2715ms	2 NS 0 A 7 MX	🔒 Secure