onlinepurdue.org - robtex.com
onlinepurdue.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns3.purdue.edu ⚠️ Not in zone NS records | ||||||
| A | 2001:18e8:800:200::a🇺🇸 ASN172001:18e8:800::/44 Purdue University | ||||||
| A | 128.210.224.226🇺🇸 ASN17128.210.0.0/16 Purdue University | ||||||
| PTR | ns3.purdue.edu | ||||||
| NS | ns4.purdue.edu ⚠️ Not in zone NS records | ||||||
| A | 128.210.224.234🇺🇸 ASN17128.210.0.0/16 Purdue University | ||||||
| PTR | ns4.purdue.edu | ||||||
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=1774533755 | ||||||
Same first word
onlinepurdue.org |
DNS History
2 records (2 active, 0 former)
●NSns3.purdue.edu2026-02-17 → 2026-03-26 · 2 obs
● 2026-03-26 14:13:32
●NSns4.purdue.edu2026-02-17 → 2026-03-26 · 2 obs
● 2026-03-26 14:13:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| onlinepurdue.org | ns3.purdue.edu, ns4.purdue.edu | - |
✅ Authoritative Response
Server:128.210.224.234
NS records: ns3.purdue.edu, ns4.purdue.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for onlinepurdue.org (unsigned zone)
⏱️ Timing
Total: 310ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
onlinepurdue.org is delegated to two name servers ns3.purdue.edu and ns4.purdue.edu.
onlinepurdue.org shares the same name server setup as other domains, for instance purduemorrillu.net, purdueonlineu.org, puonlineuniversity.com, purdueglobalu.com and puglobalu.org.
onlinepurdue.org at least partially shares name servers with other domains, for instance mfri.purdue.edu, stateeggboard.com, 97.215.205.in-addr.arpa, indianagearup.org and myhousing.purdue.edu.
These name servers are commonly used alongside ns5.purdue.edu, pendragon.cs.purdue.edu, harbor.ecn.purdue.edu, basm.cerias.purdue.edu, ns1.rice.edu and ns2.rice.edu.
Two IP numbers for a host: ns3.purdue.edu points to 2001:18e8:800:200::a and 128.210.224.226.
One IP number for a host: ns4.purdue.edu points to 128.210.224.234.