firstclassonline.net - robtex.com
firstclassonline.net
net
| 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=1774633262 | ||||||
Same first word
firstclassonline.net |
DNS History
9 records (6 active, 3 former)
●NSns13.domaincontrol.com2015-07-20 → 2026-03-27 · 2 obs
● 2026-03-27 17:45:04
●NSns14.domaincontrol.com2015-07-20 → 2026-03-27 · 2 obs
● 2026-03-27 17:45:04
●MXmailstore1.secureserver.net2015-07-20 → 2026-03-27 · 2 obs
● 2026-03-27 17:45:04
●MXsmtp.secureserver.net2015-07-20 → 2026-03-27 · 2 obs
● 2026-03-27 17:45:04
●A15.197.142.1732026-02-19 → 2026-03-27 · 3 obs
● 2026-02-19 08:20:32
● 2026-03-27 17:45:04
○A184.168.131.2412020-04-07 → 2020-04-07 · 4 obs
● 2020-04-07 20:27:18
○ 2026-02-19 08:20:32
○ 2026-03-27 17:45:04
○A184.168.221.602015-07-20 → 2016-02-11 · 4 obs
● 2016-02-11 17:17:42
○ 2016-05-11 04:49:24
○ 2026-03-27 17:45:04
○A184.168.221.82016-05-11 → 2017-03-25 · 5 obs
● 2016-05-11 04:49:24
● 2017-03-25 07:47:14
○ 2020-04-07 20:27:18
○ 2026-03-27 17:45:04
●A3.33.152.1472026-02-19 → 2026-03-27 · 3 obs
● 2026-02-19 08:20:32
● 2026-03-27 17:45:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | k.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net... | - |
| firstclassonline.net | ns13.domaincontrol.com, ns14.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.74.7
NS records: ns13.domaincontrol.com, ns14.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstclassonline.net (unsigned zone)
⏱️ Timing
Total: 361ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.142.173, 3.33.152.147 |
| NS | 2 | ns13.domaincontrol.com, ns14.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns13.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
firstclassonline.net resolves to two IPs: 3.33.152.147 and 15.197.142.173.
other host names for instance powersportsuperstore.us, pesticidas.org, oversnack.com, retrotoyspares.com and jstarmarine.com share IP numbers with firstclassonline.net.
Name Servers
firstclassonline.net is delegated to two name servers: ns13.domaincontrol.com and ns14.domaincontrol.com.
firstclassonline.net shares the same name server setup as other domains, for example georgiaorganizationanddesign.com, talentsphere.com, truckersfortroops.org, drinkkoala.com and sugarflorals.com.
firstclassonline.net at least partially shares name servers with other domains, for example binhaideradvocates.com and secure-quote.com.
Host names with two IP numbers:
ns13.domaincontrol.com points to 2603:5:21a0::7 and 97.74.106.7
ns14.domaincontrol.com points to 2603:5:22a0::7 and 173.201.74.7
Mail Servers
firstclassonline.net is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
firstclassonline.net shares the same mail server setup as other domains, for instance netaffinity.exchange, henrymhacker.com, brookeborden.com, tennesseewellness.com and houseandhome.biz.
Host names with three IP numbers:
mailstore1.secureserver.net points to: 216.69.141.78, 216.69.141.114 and 216.69.141.162.
smtp.secureserver.net points to: 216.69.141.71, 216.69.141.84 and 216.69.141.113.