firstsourcelearning.com - robtex.com
firstsourcelearning.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=1791358619 | ||||||
Same first word
firstsourcelearning.com |
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DNS History
12 records (12 active, 0 former)
●NSns-cloud-d1.googledomains.com2026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
●NSns-cloud-d2.googledomains.com2026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
●NSns-cloud-d3.googledomains.com2026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
●NSns-cloud-d4.googledomains.com2026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
●A2001:4860:4802:32::152026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
●A2001:4860:4802:34::152026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
●A2001:4860:4802:36::152026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
●A2001:4860:4802:38::152026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
●A216.239.32.212026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
●A216.239.34.212026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
●A216.239.36.212026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
●A216.239.38.212026-09-12 → 2026-10-07 · 2 obs
● 2026-10-07 07:56:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net... | - |
| firstsourcelearning.com | ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.32.109
NS records: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 653ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 216.239.38.21, 216.239.34.21... |
| AAAA | 4 | 2001:4860:4802:38::15, 2001:4860:4802:34::15... |
| NS | 4 | ns-cloud-d4.googledomains.com, ns-cloud-d2.googledomains.com... |
| TXT | 1 | v=spf1 include:_spf.smtp.mailtrap.live ~ |
| SOA | 1 | ns-cloud-d1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-d1.googledomains.com, ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com...)
Analysis
IP Addresses
firstsourcelearning.com directs to 8 IP numbers: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 5 other.
Two other host names, along with caribelitecourier.com, isc2018.fr and beat-bisig.ch, also share IP numbers with firstsourcelearning.com.
Name Servers
The NS records for firstsourcelearning.com point to four name servers: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.
firstsourcelearning.com partially shares its NS delegation with several other domains, including collinj.dev, mielcherie.com, jl-wrapping.com and two others.
ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com each carry two IP addresses. ns-cloud-d1.googledomains.com has 216.239.32.109 and 2001:4860:4802:32::6d; ns-cloud-d2.googledomains.com has 216.239.34.109 and 2001:4860:4802:34::6d; ns-cloud-d3.googledomains.com has 216.239.36.109 and 2001:4860:4802:36::6d; ns-cloud-d4.googledomains.com has 216.239.38.109 and 2001:4860:4802:38::6d.