bo4.dk

📜 Historical scan 2026-07-03 02:36:22  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bo4.dk is a .dk domain served by 2 nameservers (ns01.hostnet.nl, ns02.hostnet.nl). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.184.0.200 is hosted by One.com A/S (AS51468) in Denmark. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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   60ms
NameserverIP addressesPTRASN / ISP
ns01.hostnet.nl 195.206.121.13
2001:67c:28cc::13		 ns1.hostnet.nl
ns1.hostnet.nl		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.hostnet.nl 185.10.11.13
2001:67c:3c0::13		 ns2.hostnet.nl
ns2.hostnet.nl		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.184.0.200 14400s balancing.hostnet.nl AS51468 One.com A/S 91.184.0.0/19 🇩🇰 Denmark Copenhagen

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover91.184.0.200
🔶 Autoconfig91.184.0.200

🔷 AAAA Records (IPv6)#

1 records   50ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2268:1:0:f816:3eff:fe7b:63c6 14400s — AS197902 Hostnet B.V. 2a02:2268:0:0:0:0:0:0/32 🇳🇱 The Netherlands —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   200ms
TXT Record
v=spf1 a mx include:_spf.hostnet.nl

✉️ SPF#

PolicyRecord (bo4.dk)
no all — incomplete SPF v=spf1 a mx include:_spf.hostnet.nl

📨 DMARC#

PolicyRecord (_dmarc.bo4.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 2026-10-09 20:54:45
www91.184.0.200 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: none

  • warn No "all" and no redirect: mail from unlisted servers gets a neutral result

🔗 TLSA / DANE#

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

🔐 DNSSEC#

88ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

44ms
FieldValue
Serial2026011001
Primary NS (MNAME)ns01.hostnet.nl
Responsible (RNAME)hostmaster@hostnet.nl
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
60ms
A
45ms
MX
37ms
AAAA
50ms
TXT
200ms
CAA
23ms
HTTPS
28ms
TLSA
72ms
SOA
44ms
MTA-STS
63ms
DNSSEC
88ms
SRV
78ms
Total
642ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-07-17 22:35:02 16780ms 2 NS 1 A 0 MX 🔓 Insecure
2026-07-11 06:01:06 1216ms 2 NS 1 A 0 MX 🔓 Insecure
2026-07-03 02:36:22 shown 642ms 2 NS 1 A 0 MX 🔓 Insecure
2026-06-21 01:28:18 400ms 2 NS 1 A 0 MX ⚠️ Bogus
2026-06-20 00:17:36 662ms 2 NS 1 A 0 MX 🔓 Insecure
2026-06-16 15:15:22 319ms 2 NS 1 A 0 MX 🔓 Insecure
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