f5university.com - robtex.com
f5university.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=1771291435 | ||||||
Same first word
f5university.com |
DNS History
5 records (3 active, 2 former)
●NSdns1.cscdns.net2015-07-22 → 2026-03-23 · 2 obs
● 2026-03-23 01:36:58
●NSdns2.cscdns.net2015-07-22 → 2026-03-23 · 2 obs
● 2026-03-23 01:36:58
●MXcustmx.cscdns.net2015-07-22 → 2026-03-23 · 2 obs
● 2026-03-23 01:36:58
○A165.160.13.202015-07-22 → 2026-02-17 · 4 obs
● 2026-02-17 03:18:02
○ 2026-02-18 03:14:48
○ 2026-03-23 01:36:58
○A165.160.15.202015-07-22 → 2026-02-17 · 4 obs
● 2026-02-17 03:18:02
○ 2026-02-18 03:14:48
○ 2026-03-23 01:36:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| f5university.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 f5university.com (unsigned zone)
⏱️ Timing
Total: 401ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.cscdns.net, dns2.cscdns.net |
| MX | 1 | custmx.cscdns.net (pri: 10) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | dns1.cscdns.net hostmaster.cscdns.net |
Analysis
Name Servers
f5university.com is delegated to two name servers: dns1.cscdns.net and dns2.cscdns.net.
f5university.com uses the same name server setup as other domains, for instance keplirix.com, 888lasflores.com, nomura-sa.com, deticaforensic.com and abcd-studio.com.
f5university.com shares name servers with other domains at least partially; for example fluorindia.com, bank0famerica.com, mydividendmiles.biz and mbnastore.com.
these name servers are commonly used together with ns101.bac.com and ns102.bac.com.
Host names with two IP numbers:
The host dns1.cscdns.net points to 2610:a1:1022::100 and 156.154.130.100.
The host dns2.cscdns.net points to 2610:a1:1023::100 and 156.154.131.100.
Mail Servers
The mail server for f5university.com is custmx.cscdns.net.
f5university.com shares the same mail server setup as other domains, including lanxess-distribution-gmbh.de, xfinity(0x787878).biz, khonluxrolex.com, axacolpatria.com.co and econnolodge.com.
f5university.com shares at least some mail servers with other domains, for instance europacity.fr.
Host name custmx.cscdns.net resolves to IP 198.58.121.58.