envelope-printer.dk
Last scanned: 2026-08-25 01:48:19  ·  2792ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   62ms
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 ns3.bb-online.uk AS212217 BB-Online UK Ltd
ns4.bb-online.biz 91.238.194.4 ns4.bb-online.biz AS212217 BB-Online UK Ltd
🌍 A Records1 records   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
45.77.56.63 172800s 45.77.56.63.vultrusercontent.com AS20473 The Constant Company, LLC 45.76.0.0/15 🇬🇧 United Kingdom Canary Wharf
📧 MX Records4 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
10 172800s mail4.bb-online.co.uk 108.61.173.17 mail4.bb-online.co.uk AS20473 The Constant Company, LLC
20 172800s mail1.bb-online.co.uk 136.244.76.63 mail1.bb-online.co.uk AS20473 The Constant Company, LLC
30 172800s mail2.bb-online.co.uk 45.77.226.139 mail2.bb-online.co.uk AS20473 The Constant Company, LLC
40 172800s 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 Records
📝
No TXT records found
✉️ 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)
🔐 DNSSEC98ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2023011902
Primary NS (MNAME)ns1.bb-online.net
Responsible (RNAME)postmaster@envelope-printer.dk
Refresh10800s
Retry3600s
Expire3600000s
Minimum (neg-cache TTL)10800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
62ms
A
49ms
MX
46ms
AAAA
66ms
TXT
1419ms
CAA
54ms
HTTPS
66ms
TLSA
300ms
SOA
0ms
MTA-STS
84ms
DNSSEC
98ms
SRV
1068ms
Total
2792ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 01:48:19 2792ms 4 NS 1 A 4 MX 🔓 Insecure View
2026-06-28 14:45:08 2405ms 4 NS 1 A 4 MX 🔓 Insecure View
2026-06-19 11:40:14 1455ms 4 NS 1 A 4 MX 🔓 Insecure View
2026-06-17 07:50:49 1411ms 4 NS 1 A 4 MX 🔓 Insecure View
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