srkexploration.dk
Last scanned: 2026-08-26 14:21:51  ·  3028ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   48ms
NameserverIP addressesPTRASN / ISP
ns1.bb-online.net 185.206.123.1 ns1.bb-online.net AS212217 BB-Online UK Ltd
ns2.bb-online.org 81.30.104.2 ns2.bb-online.org AS212217 BB-Online UK Ltd
ns3.bb-online.uk 46.253.129.1 brain.bb-online.co.uk AS212217 BB-Online UK Ltd
ns4.bb-online.biz 46.253.129.4 — AS212217 BB-Online UK Ltd
🌍 A Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
192.237.224.60 7200s — AS19994 Rackspace Hosting 192.237.224.0/19 🇺🇸 United States —
📧 MX Records3 records   60ms
PriorityTTLMail ServerIP addressesPTRASN
10 7200s mail4.bb-online.co.uk 108.61.173.17 mail4.bb-online.co.uk AS20473 The Constant Company, LLC
20 7200s mail2.bb-online.co.uk 45.77.226.139 mail2.bb-online.co.uk AS20473 The Constant Company, LLC
30 7200s mail3.bb-online.co.uk 45.77.226.139 mail2.bb-online.co.uk AS20473 The Constant Company, LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   2188ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (srkexploration.dk)
-all (hard fail) v=spf1 -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)
🔐 DNSSEC85ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2021122001
Primary NS (MNAME)ns1.bb-online.net
Responsible (RNAME)postmaster@srkexploration.dk
Refresh14400s
Retry7200s
Expire3600000s
Minimum (neg-cache TTL)10800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
48ms
A
51ms
MX
60ms
AAAA
55ms
TXT
2188ms
CAA
68ms
HTTPS
60ms
TLSA
260ms
SOA
0ms
MTA-STS
1107ms
DNSSEC
85ms
SRV
1680ms
Total
3028ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 14:21:51 3028ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-24 13:26:47 2386ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-23 08:24:27 3823ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-22 23:30:13 1166ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 11:46:02 1854ms 4 NS 1 A 3 MX 🔓 Insecure View
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