bio-bt.com - robtex.com
bio-bt.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784139392 | ||||||
Same first word
bio-bt.com |
Similar names
DNS History
9 records (6 active, 3 former)
●NSdns.technorail.com2026-03-31 → 2026-07-15 · 3 obs
● 2026-03-31 13:36:06
● 2026-07-15 18:30:36
●NSdns2.technorail.com2026-03-31 → 2026-07-15 · 3 obs
● 2026-03-31 13:36:06
● 2026-07-15 18:30:36
●NSdns3.arubadns.net2026-03-31 → 2026-07-15 · 3 obs
● 2026-03-31 13:36:06
● 2026-07-15 18:30:36
●NSdns4.arubadns.cz2026-03-31 → 2026-07-15 · 3 obs
● 2026-03-31 13:36:06
● 2026-07-15 18:30:36
○NSns0.wixdns.net2015-07-11 → 2016-04-23 · 4 obs
● 2016-04-23 19:07:46
○ 2016-12-07 13:37:56
○ 2026-07-15 18:30:36
○NSns1.wixdns.net2015-07-11 → 2016-04-23 · 4 obs
● 2016-04-23 19:07:46
○ 2016-12-07 13:37:56
○ 2026-07-15 18:30:36
●MXmx.bio-bt.com2026-03-31 → 2026-07-15 · 2 obs
● 2026-07-15 18:30:36
○A23.236.62.1472015-07-11 → 2016-04-23 · 4 obs
● 2016-04-23 19:07:46
○ 2016-12-07 13:37:56
○ 2026-07-15 18:30:36
●A62.149.128.402026-03-31 → 2026-07-15 · 3 obs
● 2026-03-31 13:36:06
● 2026-07-15 18:30:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bio-bt.com | dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz, dns3.arubadns.net | 4 records |
✅ Authoritative Response
Server:95.110.220.5
NS records: dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz, dns3.arubadns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bio-bt.com (unsigned zone)
⏱️ Timing
Total: 892ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.149.128.40 |
| NS | 4 | dns.technorail.com, dns4.arubadns.cz... |
| MX | 1 | mx.bio-bt.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.aruba.it ~all |
| SOA | 1 | dns.technorail.com hostmaster.bio-bt.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns2.technorail.com, dns2.technorail.com, dns.technorail.com...)
Analysis
IP Addresses
bio-bt.com has exactly one IP address — 62.149.128.40.
sanvitochietino.net, studioroncilucci.it, dolcisfizi.com plus two other host names have IP numbers in common with bio-bt.com.
Name Servers
Four name servers handle the delegation for bio-bt.com: dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net.
bio-bt.com partially shares its NS delegation with several other domains, including eurekart.it, mrla.it, lagorai.tn.it and two others.
dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net each carry two IP addresses. dns2.technorail.com has 95.110.136.8 and 2a00:6d42:3:2096::f:1; dns.technorail.com has 94.177.210.13 and 2a00:6d40:2:2082::f:1; dns4.arubadns.cz has 81.2.216.238 and 2001:15e8:104:4::d8ee; dns3.arubadns.net has 95.110.220.5 and 2a00:6d41:3:206e::f:1.
Mail Servers
bio-bt.com uses one mail server — mx.bio-bt.com.
mx.bio-bt.com has 6 IP addresses: 62.149.128.151, 62.149.128.154, 62.149.128.157 plus 3 more.