gbus.dk
Last scanned: 2026-08-27 01:52:13  ·  1540ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   23ms
NameserverIP addressesPTRASN / 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 Records1 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
149.210.165.108 43200s mail.gensmann.net AS20857 Signet B.V. 149.210.128.0/17 🇳🇱 The Netherlands —
📧 MX Records1 records   25ms
PriorityTTLMail ServerIP addressesPTRASN
1 43200s mail.gbusiness-solutions.com 149.210.165.108 mail.gensmann.net AS20857 Signet B.V.
🔷 AAAA Records (IPv6)1 records   30ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:7c8:aab0:62:5054:ff:fec7:1391 43200s mail.gensmann.net AS20857 Signet B.V. 2a01:7c8:8000:0:0:0:0:0/33 🇳🇱 The Netherlands Haarlem
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   99ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (gbus.dk)
-all (hard fail) v=spf1 mx -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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC96ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082501
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
23ms
A
31ms
MX
25ms
AAAA
30ms
TXT
99ms
CAA
36ms
HTTPS
24ms
TLSA
1175ms
SOA
0ms
MTA-STS
35ms
DNSSEC
96ms
SRV
36ms
Total
1540ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 01:52:13 1540ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-26 23:05:48 707ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 08:32:25 1746ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 12:34:07 750ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 09:27:33 608ms 2 NS 1 A 1 MX 🔒 Secure View
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