corebuildersusa.com - robtex.com
corebuildersusa.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=1774680622 | ||||||
Same first word
corebuildersusa.com |
DNS History
9 records (9 active, 0 former)
●NSns-cloud-a1.googledomains.com2026-03-06 → 2026-03-28 · 2 obs
● 2026-03-28 07:06:34
●NSns-cloud-a2.googledomains.com2026-03-06 → 2026-03-28 · 2 obs
● 2026-03-28 07:06:34
●NSns-cloud-a3.googledomains.com2026-03-06 → 2026-03-28 · 2 obs
● 2026-03-28 07:06:34
●NSns-cloud-a4.googledomains.com2026-03-06 → 2026-03-28 · 2 obs
● 2026-03-28 07:06:34
●MXsmtp.google.com2026-03-06 → 2026-03-28 · 2 obs
● 2026-03-28 07:06:34
●A198.185.159.1442026-03-06 → 2026-03-28 · 2 obs
● 2026-03-28 07:06:34
●A198.185.159.1452026-03-06 → 2026-03-28 · 2 obs
● 2026-03-28 07:06:34
●A198.49.23.1442026-03-06 → 2026-03-28 · 2 obs
● 2026-03-28 07:06:34
●A198.49.23.1452026-03-06 → 2026-03-28 · 2 obs
● 2026-03-28 07:06:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| corebuildersusa.com | ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.38.106
NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for corebuildersusa.com (unsigned zone)
⏱️ Timing
Total: 340ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 198.185.159.145, 198.185.159.144... |
| NS | 4 | ns-cloud-a4.googledomains.com, ns-cloud-a1.googledomains.com... |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2", |
| SOA | 1 | ns-cloud-a1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)
Analysis
IP Addresses
corebuildersusa.com resolves to four IPs: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.
Other host names such as martesworkinggroup.org, shop-nice.com, nedevco.com, keithpetersonphotography.com and mail.nyap.org share IP numbers with corebuildersusa.com.
Name Servers
corebuildersusa.com is delegated to four name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.
At least part of the name servers for corebuildersusa.com are shared with other domains, for instance saipashop.fi, fortifone.com, citizengo.mx, jakesman.com and mtinyc.com.
Host names with two IP numbers:
ns-cloud-a1.googledomains.com points to: 2001:4860:4802:32::6a and 216.239.32.106
ns-cloud-a2.googledomains.com points to: 2001:4860:4802:34::6a and 216.239.34.106
ns-cloud-a3.googledomains.com points to: 2001:4860:4802:36::6a and 216.239.36.106
ns-cloud-a4.googledomains.com points to: 2001:4860:4802:38::6a and 216.239.38.106
Mail Servers
The mail server for corebuildersusa.com is smtp.google.com.
corebuildersusa.com uses the same mail server setup as other domains, for instance filmmore.nl, bosshelp.com, lambdatss.com, quickfundingtoday.com and takakojima.com.
corebuildersusa.com shares at least some mail servers with other domains, for example economis.com.ar, squaretahi.design, fwbfl.com, brainvine.ai and innata.com.ar.
smtp.google.com points to eight IP numbers: 2a00:1450:4009:c0f::1a, 2a00:1450:4009:c0f::1b, 2a00:1450:4009:c19::1a, 2a00:1450:4009:c19::1b, 172.217.76.26, 172.217.76.27, 192.178.223.26 and 192.178.223.27.