firstclassos.com - robtex.com
firstclassos.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.159.140.166Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 185.158.133.1🇩🇪 Cloudflare185.158.133.0/24 | ||||||
| NS | ns59.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2143::1f🇺🇸 GODADDY-DNS2603:5:2140::/44 | ||||||
| PTR | mns01.domaincontrol.com | ||||||
| A | 97.74.100.31🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns59.domaincontrol.com | ||||||
| NS | ns60.domaincontrol.com | ||||||
| A | 2603:5:2243::1f🇺🇸 GODADDY-DNS2603:5:2240::/44 | ||||||
| PTR | mns02.domaincontrol.com | ||||||
| A | 173.201.68.31🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns60.domaincontrol.com | ||||||
| SOA | ns59.domaincontrol.comdns@jomax.net 2026-05-04 #22 | ||||||
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=1778566596 | ||||||
Subdomains
Same first word
firstclassos.com |
DNS History
4 records (4 active, 0 former)
●NSns59.domaincontrol.com2026-05-04 → 2026-05-12 · 2 obs
● 2026-05-12 06:20:34
●NSns60.domaincontrol.com2026-05-04 → 2026-05-12 · 2 obs
● 2026-05-12 06:20:34
●A162.159.140.1662026-05-04 → 2026-05-12 · 2 obs
● 2026-05-12 06:20:34
●A185.158.133.12026-05-04 → 2026-05-12 · 2 obs
● 2026-05-12 06:20:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| firstclassos.com | ns59.domaincontrol.com, ns60.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.100.31
NS records: ns59.domaincontrol.com, ns60.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstclassos.com (unsigned zone)
⏱️ Timing
Total: 624ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 185.158.133.1, 162.159.140.166 |
| NS | 2 | ns59.domaincontrol.com, ns60.domaincontrol.com |
| SOA | 1 | ns59.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns59.domaincontrol.com, ns59.domaincontrol.com, ns60.domaincontrol.com...)
Analysis
Hierarchy
firstclassos.com is a parent of www.firstclassos.com, app.firstclassos.com and my.firstclassos.com.
IP Addresses
firstclassos.com points to two IP numbers: 162.159.140.166 and 185.158.133.1.
Other host names such as test.finderscope.ai, blbventures.com.br, emergencyfunding.info, whatsnext.app and 7ases.com.br share IPs with firstclassos.com.
Name Servers
firstclassos.com is delegated to two name servers: ns59.domaincontrol.com and ns60.domaincontrol.com.
firstclassos.com shares the same name server setup as jklodzen.com, unco.in, unifiednet.com, majovape.com.au and itfinesse.co.uk.
firstclassos.com shares some name servers with other domains, for instance lista.se.
Host names with two IP numbers: ns59.domaincontrol.com points to: 2603:5:2143::1f and 97.74.100.31; ns60.domaincontrol.com points to: 2603:5:2243::1f and 173.201.68.31.