mathclass.com - robtex.com
mathclass.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.163.133.52🇺🇸 UKYEDU128.163.0.0/16 University of Kentucky UK ARIN Block-1 123 McVey Hall Lexington KY 40506 United States | ||||||
| PTR | mathclass.com | ||||||
| PTR | mathclass.org | ||||||
| NS | sndc2.net.uky.edu ⭐ | ||||||
| A | 128.163.48.6🇺🇸 UKYEDU128.163.0.0/16 University of Kentucky UK ARIN Block-1 123 McVey Hall Lexington KY 40506 United States | ||||||
| PTR | sndc2.net.uky.edu | ||||||
| NS | sndc1.net.uky.edu | ||||||
| A | 128.163.1.7🇺🇸 UKYEDU128.163.0.0/16 University of Kentucky UK ARIN Block-1 123 McVey Hall Lexington KY 40506 United States | ||||||
| PTR | sndc1.net.uky.edu | ||||||
| MX | t2.mscf.uky.edu ⭐ | ||||||
| SOA | sndc2.net.uky.edudnsmaster@uky.edu serial=3183 | ||||||
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=1774620597 | ||||||
PTR for
Same first word
mathclass.com |
mathclass.org |
Similar names
DNS History
4 records (4 active, 0 former)
●NSsndc1.net.uky.edu2015-08-20 → 2026-03-27 · 2 obs
● 2026-03-27 14:12:40
●NSsndc2.net.uky.edu2015-08-20 → 2026-03-27 · 2 obs
● 2026-03-27 14:12:40
●MXt2.mscf.uky.edu2015-08-20 → 2026-03-27 · 2 obs
● 2026-03-27 14:12:40
●A128.163.133.522026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 14:12:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net... | - |
| mathclass.com | sndc1.net.uky.edu, sndc2.net.uky.edu | - |
✅ Authoritative Response
Server:128.163.48.6
NS records: sndc1.net.uky.edu, sndc2.net.uky.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathclass.com (unsigned zone)
⏱️ Timing
Total: 579ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.163.133.52 |
| NS | 2 | sndc1.net.uky.edu, sndc2.net.uky.edu |
| MX | 1 | t2.mscf.uky.edu (pri: 10) |
| SOA | 1 | sndc2.net.uky.edu dnsmaster.uky.edu |
Analysis
IP Addresses
mathclass.com resolves to a single IP: 128.163.133.52.
Other host names, for instance, www.mathclass.org and mathclass.org share IP numbers with mathclass.com.
Name Servers
mathclass.com has two name servers: sndc1.net.uky.edu and sndc2.net.uky.edu.
mathclass.com shares the same name server setup as other domains, for example 30.163.128.in-addr.arpa, 193.163.128.in-addr.arpa, engl.uky.edu, 121.163.128.in-addr.arpa and lcc.uky.edu.
mathclass.com shares name servers with other domains to some extent, for example ktc.uky.edu and dcs.uky.edu.
These name servers are commonly used alongside sndm1.net.uky.edu, sndm2.net.uky.edu, peter.netlab.uky.edu and tosh.netlab.uky.edu.
Host names with a single IP:
sndc1.net.uky.edu points to 128.163.1.7
sndc2.net.uky.edu points to 128.163.48.6
Mail Servers
mathclass.com is handled by a single mail server, t2.mscf.uky.edu.
mathclass.com shares the same mail server setup as other domains, for instance mathclass.org and engl.uky.edu.