therxdlab.org - robtex.com
therxdlab.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.210.7.100🇺🇸 ASN17128.210.0.0/16 Purdue University | ||||||
| PTR | alumni.pnw.edu | ||||||
| PTR | wp.www.purdue.edu | ||||||
| NS | ns3.purdue.edu ⭐ | ||||||
| A | 2001:18e8:800:200::a🇺🇸 ASN172001:18e8:800::/44 Purdue University | ||||||
| A | 128.210.224.226🇺🇸 ASN17128.210.0.0/16 Purdue University | ||||||
| NS | ns4.purdue.edu | ||||||
| A | 128.210.224.234🇺🇸 ASN17128.210.0.0/16 Purdue University | ||||||
| NS | ns5.purdue.edu | ||||||
| A | 20.241.160.48🇺🇸 Microsoft20.192.0.0/10 | ||||||
| TXT | Contacts=Ephrem Abebe,eabebe@purdue.edu; | ||||||
| SOA | ns3.purdue.eduhostmaster@purdue.edu serial=716086292 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ | ||||||
| NS | a2.org.afilias-nst.info | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774591198 | ||||||
Same first word
therxdlab.org |
therxdlab.com |
DNS History
4 records (4 active, 0 former)
●NSns3.purdue.edu2026-02-17 → 2026-03-27 · 2 obs
● 2026-03-27 06:19:02
●NSns4.purdue.edu2026-02-17 → 2026-03-27 · 2 obs
● 2026-03-27 06:19:02
●NSns5.purdue.edu2026-02-17 → 2026-03-27 · 2 obs
● 2026-03-27 06:19:02
●A128.210.7.1002026-02-17 → 2026-03-27 · 5 obs
● 2026-03-11 00:05:16
○ 2026-03-20 09:22:54
● 2026-03-27 06:19:00
● 2026-03-27 06:19:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| therxdlab.org | ns4.purdue.edu, ns5.purdue.edu, ns3.purdue.edu | - |
✅ Authoritative Response
Server:128.210.224.226
NS records: ns4.purdue.edu, ns5.purdue.edu, ns3.purdue.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for therxdlab.org (unsigned zone)
⏱️ Timing
Total: 226ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.210.7.100 |
| NS | 3 | ns4.purdue.edu, ns5.purdue.edu... |
| SOA | 1 | ns3.purdue.edu hostmaster.purdue.edu |
Analysis
IP Addresses
therxdlab.org points to IP number: 128.210.7.100.
Other host names such as conservefood.org, mfri.purdue.edu, shakespearestheaterscape.org, indiana-arborist.org and materialsundergradblog.com share IPs with therxdlab.org.
Name Servers
therxdlab.org is delegated to three name servers: ns3.purdue.edu, ns4.purdue.edu and ns5.purdue.edu.
therxdlab.org at least partially shares name servers with other domains, for instance addl.purdue.edu, globalpurdue.net, fountain.ces.purdue.edu, purduelandscapereport.org and cyto.purdue.edu.
these name servers are commonly used with ns1.rice.edu, ns2.rice.edu, harbor.ecn.purdue.edu and pendragon.cs.purdue.edu.
Hostnames with two IPs:
Hostname ns3.purdue.edu points to 2001:18e8:800:200::a and 128.210.224.226.
Hostnames with one IP:
Hostname ns4.purdue.edu points to 128.210.224.234.
Hostname ns5.purdue.edu points to 20.241.160.48.