mathclass.org - robtex.com
mathclass.org
| 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 | ip-128-163-48-6.defastlink.net | ||||||
| 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 | ip-128-163-1-7.defastlink.net | ||||||
| MX | t2.mscf.uky.edu ⭐ | ||||||
| SOA | sndc2.net.uky.edudnsmaster@uky.edu serial=3181 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774688593 | ||||||
PTR for
Subdomains
www.mathclass.org |
Same first word
mathclass.com |
mathclass.org |
Similar names
DNS History
4 records (4 active, 0 former)
●NSsndc1.net.uky.edu2015-07-22 → 2026-03-28 · 2 obs
● 2026-03-28 09:13:50
●NSsndc2.net.uky.edu2015-07-22 → 2026-03-28 · 2 obs
● 2026-03-28 09:13:50
●MXt2.mscf.uky.edu2015-07-22 → 2026-03-28 · 2 obs
● 2026-03-28 09:13:50
●A128.163.133.522026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 09:13:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| mathclass.org | sndc2.net.uky.edu, sndc1.net.uky.edu | - |
✅ Authoritative Response
Server:128.163.48.6
NS records: sndc2.net.uky.edu, sndc1.net.uky.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathclass.org (unsigned zone)
⏱️ Timing
Total: 1047ms | 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
Hierarchy
The parent of www.mathclass.org is mathclass.org.
IP Addresses
mathclass.org points to a single IP address: 128.163.133.52.
Other host names, such as mathclass.com and www.mathclass.org, share IP numbers with mathclass.org.
Name Servers
Two name servers sndc1.net.uky.edu and sndc2.net.uky.edu handle the delegation for mathclass.org.
mathclass.org shares the same name server setup as other domains, for example charon.uky.edu, ukhealthcare.uky.edu, aggregate.org, cbme.uky.edu and uhs.uky.edu.
mathclass.org shares name servers with other domains at least partially, for instance dcs.uky.edu.
these name servers commonly pair with sndm1.net.uky.edu, sndm2.net.uky.edu, peter.netlab.uky.edu and tosh.netlab.uky.edu.
Host names with one IP number:
sndc1.net.uky.edu points to 128.163.1.7; sndc2.net.uky.edu points to 128.163.48.6.
Mail Servers
The t2.mscf.uky.edu mail server handles mathclass.org.
mathclass.org shares the same mail server setup as other domains, such as mathclass.com and engl.uky.edu.