fiosinstructor.com - robtex.com
fiosinstructor.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=1778850616 | ||||||
Same first word
fiosinstructor.com |
DNS History
13 records (5 active, 8 former)
●NSdns1.cscdns.net2026-05-03 → 2026-05-15 · 3 obs
● 2026-05-03 19:16:36
● 2026-05-15 13:24:44
●NSdns2.cscdns.net2026-05-03 → 2026-05-15 · 3 obs
● 2026-05-03 19:16:36
● 2026-05-15 13:24:44
○NSns1.markmonitor.com2015-06-12 → 2017-08-08 · 4 obs
● 2017-08-08 09:25:38
○ 2026-05-03 19:16:36
○ 2026-05-15 13:24:44
○NSns2.markmonitor.com2015-06-12 → 2017-08-08 · 4 obs
● 2017-08-08 09:25:38
○ 2026-05-03 19:16:36
○ 2026-05-15 13:24:44
○NSns3.markmonitor.com2015-06-12 → 2017-08-08 · 4 obs
● 2017-08-08 09:25:38
○ 2026-05-03 19:16:36
○ 2026-05-15 13:24:44
○NSns4.markmonitor.com2015-06-12 → 2017-08-08 · 4 obs
● 2017-08-08 09:25:38
○ 2026-05-03 19:16:36
○ 2026-05-15 13:24:44
○NSns5.markmonitor.com2015-06-12 → 2017-08-08 · 4 obs
● 2017-08-08 09:25:38
○ 2026-05-03 19:16:36
○ 2026-05-15 13:24:44
○NSns6.markmonitor.com2015-06-12 → 2017-08-08 · 4 obs
● 2017-08-08 09:25:38
○ 2026-05-03 19:16:36
○ 2026-05-15 13:24:44
○NSns7.markmonitor.com2015-06-12 → 2017-08-08 · 4 obs
● 2017-08-08 09:25:38
○ 2026-05-03 19:16:36
○ 2026-05-15 13:24:44
●MXcustmx.cscdns.net2026-05-03 → 2026-05-15 · 2 obs
● 2026-05-15 13:24:44
●A165.160.13.202026-05-03 → 2026-05-15 · 3 obs
● 2026-05-03 19:16:36
● 2026-05-15 13:24:44
●A165.160.15.202026-05-03 → 2026-05-15 · 3 obs
● 2026-05-03 19:16:36
● 2026-05-15 13:24:44
○A72.52.10.142015-06-12 → 2017-08-08 · 4 obs
● 2017-08-08 09:25:38
○ 2026-05-03 19:16:36
○ 2026-05-15 13:24:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net... | - |
| fiosinstructor.com | dns1.cscdns.net, dns2.cscdns.net | - |
✅ Authoritative Response
Server:156.154.131.100
NS records: dns1.cscdns.net, dns2.cscdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fiosinstructor.com (unsigned zone)
⏱️ Timing
Total: 2916ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 165.160.13.20, 165.160.15.20 |
| NS | 2 | dns1.cscdns.net, dns2.cscdns.net |
| MX | 1 | custmx.cscdns.net (pri: 10) |
| SOA | 1 | dns1.cscdns.net hostmaster.cscdns.net |
Analysis
IP Addresses
fiosinstructor.com has two IP numbers: 165.160.13.20 and 165.160.15.20.
Other host names, for instance 3iprivateequity.com, newyorkfoodwinefestival.com, 24x7-med.com, surgifoamdental.com and arcsmgmt.com share IP numbers with fiosinstructor.com.
Name Servers
fiosinstructor.com's delegation uses two name servers: dns1.cscdns.net and dns2.cscdns.net.
fiosinstructor.com uses the same name server setup as other domains, such as axa-conseil.com, kabelschlepp.nl, ingdirect.us, betespn.net and weddingdateremembered.info.
fiosinstructor.com partially shares name servers with other domains, such as universal-job.net and house-of-beauty.de.
Host names with two IPs:
dns1.cscdns.net points to 2610:a1:1022::100 and 156.154.130.100
dns2.cscdns.net points to 2610:a1:1023::100 and 156.154.131.100
Mail Servers
A single mail server handles fiosinstructor.com, custmx.cscdns.net.
fiosinstructor.com shares the same mail server setup as other domains, for instance skf.sc, alltrustgroup.com, boiron.com.ar, frackryanlance.com and marvelsupervillainsquad.net.
Host name custmx.cscdns.net resolves to a single IP: 198.58.121.58.