firstbt.com - robtex.com
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firstbt.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=1771291435 | ||||||
Up
www.firstbt.com |
Same first word
firstbt.com |
DNS History
9 records (5 active, 4 former)
●NScameron.ns.cloudflare.com2026-02-18 → 2026-02-18 · 3 obs
● 2026-02-18 02:45:22
● 2026-02-18 23:06:46
○NSdbru.br.ns.els-gms.att.net2015-07-18 → 2017-06-28 · 4 obs
● 2017-06-28 13:47:08
○ 2026-02-18 02:45:22
○ 2026-02-18 23:06:46
○NSdmtu.mt.ns.els-gms.att.net2015-07-18 → 2017-06-28 · 4 obs
● 2017-06-28 13:47:08
○ 2026-02-18 02:45:22
○ 2026-02-18 23:06:46
●NSraina.ns.cloudflare.com2026-02-18 → 2026-02-18 · 3 obs
● 2026-02-18 02:45:22
● 2026-02-18 23:06:46
●MXfirstbt-com.mail.protection.outlook.com2026-02-18 → 2026-02-18 · 3 obs
● 2026-02-18 02:45:22
● 2026-02-18 23:06:46
○MXmailhost.firstbt.com2015-07-18 → 2017-06-28 · 4 obs
● 2017-06-28 13:47:08
○ 2026-02-18 02:45:22
○ 2026-02-18 23:06:46
●A141.193.213.202026-02-18 → 2026-02-18 · 3 obs
● 2026-02-18 02:45:22
● 2026-02-18 23:06:46
●A141.193.213.212026-02-18 → 2026-02-18 · 3 obs
● 2026-02-18 02:45:22
● 2026-02-18 23:06:46
○A216.86.152.1602015-07-18 → 2017-06-28 · 4 obs
● 2017-06-28 13:47:08
○ 2026-02-18 02:45:22
○ 2026-02-18 23:06:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net... | - |
| firstbt.com | raina.ns.cloudflare.com, cameron.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.195.107
NS records: raina.ns.cloudflare.com, cameron.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 188ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 141.193.213.21, 141.193.213.20 |
| NS | 2 | cameron.ns.cloudflare.com, raina.ns.cloudflare.com |
| MX | 1 | firstbt-com.mail.protection.outlook.com |
| TXT | 2 | 77nu7ry7shjqjzp85en3dfkkpuavjrrt, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | cameron.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (raina.ns.cloudflare.com, raina.ns.cloudflare.com, raina.ns.cloudflare.com...)
AI analysis
firstbt.com is the parent of www.firstbt.com.
firstbt.com resolves to two IP numbers: 141.193.213.20 and 141.193.213.21.
other host names including diversityworking.com, laserskinandvein.com.au, jfih2xaj5eew.wpeproxy.com, solatubehome.com and azhca.org share IP numbers with firstbt.com.
firstbt.com is delegated to two name servers cameron.ns.cloudflare.com and raina.ns.cloudflare.com.
firstbt.com shares the same name server setup as other domains, for instance fstsb.com, northcommunitybank.com, cboprf.com, metrobankgroup.com and bylinebank.net.
firstbt.com at least partially shares name servers with other domains, for instance yqxph.com, 8699.site, xzjtzg.com, 4sv.top and schulzcompresorescolombia.com.
These name servers are commonly used alongside addilyn.ns.cloudflare.com and michael.ns.cloudflare.com.
Host names with six IP numbers:
Host name cameron.ns.cloudflare.com points to: 2606:4700:58::a29f:2c6b, 2803:f800:50::6ca2:c36b, 2a06:98c1:50::ac40:236b, 108.162.195.107, 162.159.44.107 and 172.64.35.107.
Host name raina.ns.cloudflare.com points to: 2606:4700:50::a29f:26f1, 2803:f800:50::6ca2:c2f1, 2a06:98c1:50::ac40:22f1, 108.162.194.241, 162.159.38.241 and 172.64.34.241.
firstbt.com is handled by a single mail server, firstbt-com.mail.protection.outlook.com.