ustad.com - dns.ninja
ustad.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=1782621760 | ||||||
PTR for
MX for
ustad.com |
Subdomains
smtp.ustad.com |
Same first word
ustad.info |
ustad.im |
ustad.in |
ustad.se |
ustad.no |
ustad.com |
ustad.nl |
ustad.org |
ustad.online |
ustad.org.tr |
ustad.az |
ustad.net |
ustad.de |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns0.aitcom.net2015-07-24 → 2026-06-28 · 2 obs
● 2026-06-28 05:11:50
●NSns1.aitcom.net2015-07-24 → 2026-06-28 · 2 obs
● 2026-06-28 05:11:50
●NSns2.aitcom.net2015-07-24 → 2026-06-28 · 2 obs
● 2026-06-28 05:11:50
●MXsmtp.ustad.com2015-07-24 → 2026-06-28 · 2 obs
● 2026-06-28 05:11:50
●MXustad.com2015-07-24 → 2026-06-28 · 2 obs
● 2026-06-28 05:11:50
●A216.117.151.2432015-07-24 → 2026-06-28 · 2 obs
● 2026-06-28 05:11:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ustad.com | ns2.aitcom.net, ns1.aitcom.net | - |
✅ Authoritative Response
Server:216.117.186.139
NS records: ns2.aitcom.net, ns1.aitcom.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ustad.com (unsigned zone)
⏱️ Timing
Total: 1175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.117.151.243 |
| NS | 3 | ns1.aitcom.net, ns2.aitcom.net... |
| MX | 2 | smtp.ustad.com (pri: 20), ustad.com (pri: 10) |
| TXT | 1 | v=spf1 a mx -all |
| SOA | 1 | ns0.aitcom.net dns.aitcom.net |
Analysis
Hierarchy
ustad.com is a parent domain of smtp.ustad.com.
Mail Server Role
ustad.com serves as a mail server for ustad.com.
smtp.ustad.com and ustad.com tend to appear jointly as mail servers.
IP Addresses
ustad.com has exactly one IP address — 216.117.151.243.
Other host names share IP numbers with ustad.com; smtp.ustad.com is one such example.
Name Servers
Three name servers are authoritative for ustad.com: ns0.aitcom.net, ns1.aitcom.net and ns2.aitcom.net.
ustad.com shares at least some of its name servers with other domains, including madamreporter.com, empnj.com, magnaport.com and two others.
These name servers are frequently paired with the name servers ns0.azurelink.net and ns1.azurelink.net.
Three hostnames, one IP address apiece: ns0.aitcom.net resolves to 216.117.191.20, ns1.aitcom.net resolves to 216.117.186.139 and ns2.aitcom.net resolves to 216.117.191.22.
Mail Servers
Two mail servers handle ustad.com: ustad.com and smtp.ustad.com.
ustad.com and smtp.ustad.com share one IP address between them — 216.117.151.243.
These two host names — ustad.com and smtp.ustad.com — each point to 216.117.151.243 IP addresses.