cosatto.dk
Last scanned: 2026-08-28 03:07:53  ·  10527ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   46ms
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.info 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 Records4 records   381ms
IPTTLPTRASNISP / OrgCIDRCountryCity
216.239.32.21 172800s any-in-2015.1e100.net AS15169 Google LLC 216.239.32.0/20 🇺🇸 United States —
216.239.34.21 172800s any-in-2215.1e100.net AS15169 Google LLC 216.239.32.0/20 🇺🇸 United States —
216.239.36.21 172800s any-in-2415.1e100.net AS15169 Google LLC 216.239.32.0/20 🇺🇸 United States —
216.239.38.21 172800s any-in-2615.1e100.net AS15169 Google LLC 216.239.32.0/20 🇺🇸 United States —
📧 MX Records3 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 172800s mail1.bb-online.co.uk 136.244.76.63 mail1.bb-online.co.uk AS20473 The Constant Company, LLC
20 172800s mail2.bb-online.co.uk 45.77.226.139 mail2.bb-online.co.uk AS20473 The Constant Company, LLC
30 172800s mail3.bb-online.co.uk 45.77.226.139 mail2.bb-online.co.uk AS20473 The Constant Company, LLC
🔷 AAAA Records (IPv6)1 records   3817ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:4860:4802:38::15 172800s any-in-2001-4860-4802-38--15.1e100.net AS15169 Google LLC 2001:4860:4800:0:0:0:0:0/46 🇺🇸 United States —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   4419ms
TXT Record
google-site-verification=_6HrbO-HCD03MpU9PZxajMyAKYhg2sMxMqEIzypAwqQ
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC9093ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2022042801
Primary NS (MNAME)ns1.bb-online.net
Responsible (RNAME)postmaster@cosatto.dk
Refresh14400s
Retry7200s
Expire3600000s
Minimum (neg-cache TTL)7200s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
381ms
MX
55ms
AAAA
3817ms
TXT
4419ms
CAA
54ms
HTTPS
49ms
TLSA
243ms
SOA
0ms
MTA-STS
1447ms
DNSSEC
9093ms
SRV
4064ms
Total
10527ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 03:07:53 10527ms 4 NS 4 A 3 MX 🔓 Insecure View
2026-08-26 02:47:07 5127ms 4 NS 4 A 3 MX 🔓 Insecure View
2026-07-01 23:33:12 4672ms 4 NS 4 A 3 MX 🔓 Insecure View
2026-06-16 22:52:12 3196ms 4 NS 4 A 3 MX 🔓 Insecure View
2026-06-16 22:30:57 1103ms 4 NS 4 A 3 MX 🔓 Insecure View
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