builtfirst.com - dns.ninja
builtfirst.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=1784964372 | ||||||
Subdomains
app.builtfirst.com |
Same first word
builtfirst.com |
DNS History
10 records (10 active, 0 former)
●NSns-1406.awsdns-47.org2026-02-21 → 2026-07-25 · 2 obs
● 2026-07-25 07:38:54
●NSns-1541.awsdns-00.co.uk2026-02-21 → 2026-07-25 · 2 obs
● 2026-07-25 07:38:54
●NSns-22.awsdns-02.com2026-02-21 → 2026-07-25 · 2 obs
● 2026-07-25 07:38:54
●NSns-668.awsdns-19.net2026-02-21 → 2026-07-25 · 2 obs
● 2026-07-25 07:38:54
●MXalt1.aspmx.l.google.com2026-02-21 → 2026-07-25 · 2 obs
● 2026-07-25 07:38:54
●MXalt2.aspmx.l.google.com2026-02-21 → 2026-07-25 · 2 obs
● 2026-07-25 07:38:54
●MXaspmx.l.google.com2026-02-21 → 2026-07-25 · 2 obs
● 2026-07-25 07:38:54
●MXaspmx2.googlemail.com2026-02-21 → 2026-07-25 · 2 obs
● 2026-07-25 07:38:54
●MXaspmx3.googlemail.com2026-02-21 → 2026-07-25 · 2 obs
● 2026-07-25 07:38:54
●A75.2.70.752026-02-21 → 2026-07-25 · 2 obs
● 2026-07-25 07:38:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net... | - |
| builtfirst.com | ns-22.awsdns-02.com, ns-668.awsdns-19.net, ns-1541.awsdns-00.co.uk, ns-1406.awsdns-47.org | 2 records |
✅ Authoritative Response
Server:205.251.198.5
NS records: ns-22.awsdns-02.com, ns-668.awsdns-19.net, ns-1541.awsdns-00.co.uk, ns-1406.awsdns-47.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for builtfirst.com (unsigned zone)
⏱️ Timing
Total: 434ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 75.2.70.75 |
| NS | 4 | ns-1406.awsdns-47.org, ns-1541.awsdns-00.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| TXT | 9 | google-site-verification=Ba-PKuqqC7X96tl, google-site-verification=CZiqp0PoRmgxFsS... |
| SOA | 1 | ns-22.awsdns-02.com awsdns-hostmaster.am |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-22.awsdns-02.com, ns-22.awsdns-02.com)
Analysis
Hierarchy
builtfirst.com is the parent zone for app.builtfirst.com.
IP Addresses
builtfirst.com directs to one IP number, which is 75.2.70.75.
Among the host names that share IP numbers with builtfirst.com are interiam.co, mail.prestonrefrigeration.com, enable.us and two others.
Name Servers
The domain builtfirst.com is delegated to these four name servers: ns-22.awsdns-02.com, ns-668.awsdns-19.net, ns-1406.awsdns-47.org and ns-1541.awsdns-00.co.uk.
builtfirst.com partially shares its NS delegation with several other domains, including anacondatrack.com, d1w7312wesee68.cloudfront.net, twiline.ch and two others.
These name servers regularly co-occur with the name servers ns-275.awsdns-34.com, ns-1446.awsdns-52.org and ns-1836.awsdns-37.co.uk.
ns-22.awsdns-02.com, ns-668.awsdns-19.net, ns-1406.awsdns-47.org and ns-1541.awsdns-00.co.uk each carry two IP addresses. ns-22.awsdns-02.com has 205.251.192.22 and 2600:9000:5300:1600::1; ns-668.awsdns-19.net has 205.251.194.156 and 2600:9000:5302:9c00::1; ns-1406.awsdns-47.org has 205.251.197.126 and 2600:9000:5305:7e00::1; ns-1541.awsdns-00.co.uk has 205.251.198.5 and 2600:9000:5306:500::1.
Mail Servers
Mail for builtfirst.com is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
builtfirst.com shares at least some of its mail servers with other domains — for example ns500698.ns500759.ns500698.ns500736.ns500736.ns500736.ns500735.ns500736.ns500735.ns500576.ns500698.ns500576.ns500698.ns500576.ns500652.trackreceptor.com, ns500759.ns500698.ns500759.ns500698.ns500758.ns500736.ns500698.ns500736.ns500735.ns500735.ns500735.ns500708.ns500708.ns500576.ns500576.ns500576.trackreceptor.com, noblenarrative.com and two more.
It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.
Hosts with two IP numbers each:
aspmx2.googlemail.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com points to 142.251.16.26 and 2607:f8b0:4004:c27::1a.
alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c0f::1a IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 172.253.116.27 IP addresses.