firmbuilt.com - robtex.com
firmbuilt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| PTR | ip-207-148-248-143.defastlink.net | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.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 | ||||||
Subdomains
mail.firmbuilt.com |
Similar names
DNS History
12 records (3 active, 9 former)
●NSns.buydomains.com2017-01-16 → 2026-03-23 · 3 obs
● 2017-01-16 12:14:58
● 2026-03-23 20:04:26
○NSns1.wix.com2015-07-12 → 2016-04-26 · 4 obs
● 2016-04-26 13:20:28
○ 2017-01-16 12:14:58
○ 2026-03-23 20:04:26
○NSns2.wix.com2015-07-12 → 2016-04-26 · 4 obs
● 2016-04-26 13:20:28
○ 2017-01-16 12:14:58
○ 2026-03-23 20:04:26
●NSthis-domain-for-sale.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 20:04:26
○MXalt1.aspmx.l.google.com2015-07-12 → 2016-04-26 · 4 obs
● 2016-04-26 13:20:28
○ 2017-01-16 12:14:58
○ 2026-03-23 20:04:26
○MXalt2.aspmx.l.google.com2015-07-12 → 2016-04-26 · 4 obs
● 2016-04-26 13:20:28
○ 2017-01-16 12:14:58
○ 2026-03-23 20:04:26
○MXalt3.aspmx.l.google.com2015-07-12 → 2016-04-26 · 4 obs
● 2016-04-26 13:20:28
○ 2017-01-16 12:14:58
○ 2026-03-23 20:04:26
○MXalt4.aspmx.l.google.com2015-07-12 → 2016-04-26 · 4 obs
● 2016-04-26 13:20:28
○ 2017-01-16 12:14:58
○ 2026-03-23 20:04:26
○MXaspmx.l.google.com2015-07-12 → 2016-04-26 · 4 obs
● 2016-04-26 13:20:28
○ 2017-01-16 12:14:58
○ 2026-03-23 20:04:26
○A141.8.225.1242017-01-16 → 2017-01-16 · 3 obs
● 2017-01-16 12:14:58
○ 2026-03-23 20:04:26
●A207.148.248.1432026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 20:04:26
○A23.236.62.1472015-07-12 → 2016-04-26 · 4 obs
● 2016-04-26 13:20:28
○ 2017-01-16 12:14:58
○ 2026-03-23 20:04:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| firmbuilt.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.20.26.87
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firmbuilt.com (unsigned zone)
⏱️ Timing
Total: 283ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
Hierarchy
firmbuilt.com is the parent of mail.firmbuilt.com.
IP Addresses
firmbuilt.com resolves to a single IP: 207.148.248.143.
Other host names, for instance trinen.com, mail.sharingload.com, bartweb.com, transitionalcounseling.com and bave.org share IP numbers with firmbuilt.com.
Name Servers
firmbuilt.com has two name servers: this-domain-for-sale.com and ns.buydomains.com.
firmbuilt.com shares the same name server setup as other domains, for example tandemnursing.com, hrcamp.com, icingideas.com, premiumsaddle.com and larratt.com.
firmbuilt.com shares some name servers with other domains, for instance agentevent.com, indulgestudio.com and dauntlessliving.com.
These name servers are commonly used with the name servers ns2.buydomains.com.
Host names with one IP number:
this-domain-for-sale.com points to: 52.20.26.87
ns.buydomains.com points to: 52.20.26.87
Names pointing to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com