therxdlab.com - robtex.com
therxdlab.com
| 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 | ||||||
| PTR | ns3.purdue.edu | ||||||
| NS | ns4.purdue.edu | ||||||
| A | 128.210.224.234🇺🇸 ASN17128.210.0.0/16 Purdue University | ||||||
| PTR | ns4.purdue.edu | ||||||
| NS | ns5.purdue.edu | ||||||
| SOA | ns3.purdue.eduhostmaster@purdue.edu serial=716086290 | ||||||
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=1774533302 | ||||||
Same first word
therxdlab.com |
therxdlab.org |
DNS History
4 records (4 active, 0 former)
●NSns3.purdue.edu2026-02-17 → 2026-03-26 · 2 obs
● 2026-03-26 14:05:16
●NSns4.purdue.edu2026-02-17 → 2026-03-26 · 2 obs
● 2026-03-26 14:05:16
●NSns5.purdue.edu2026-02-17 → 2026-03-26 · 2 obs
● 2026-03-26 14:05:16
●A128.210.7.1002026-02-17 → 2026-03-26 · 2 obs
● 2026-03-26 14:05:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net... | - |
| therxdlab.com | ns3.purdue.edu, ns4.purdue.edu, ns5.purdue.edu | - |
✅ Authoritative Response
Server:20.241.160.48
NS records: ns3.purdue.edu, ns4.purdue.edu, ns5.purdue.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for therxdlab.com (unsigned zone)
⏱️ Timing
Total: 663ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.210.7.100 |
| NS | 3 | ns3.purdue.edu, ns5.purdue.edu... |
| TXT | 1 | Contacts=Ephrem Abebe,eabebe@purdue.edu |
| SOA | 1 | ns3.purdue.edu hostmaster.purdue.edu |
Analysis
IP Addresses
therxdlab.com points to a single IP number: 128.210.7.100.
Other host names, for instance tombos.org, www.pnw.edu, northcentralnurseryipm.org, ix1000g.org and pharmacy.purdue.edu share IP numbers with therxdlab.com.
Name Servers
The domain therxdlab.com is delegated to three name servers: ns3.purdue.edu, ns4.purdue.edu and ns5.purdue.edu.
therxdlab.com shares name servers with other domains at least partially, for instance puonlineuniversity.com, pediatricdevices.org, bartholomew.ces.purdue.edu, emba-agbus.purdue.edu and cfs.purdue.edu.
Host names with two IPs:
ns3.purdue.edu points to: 2001:18e8:800:200::a and 128.210.224.226.
Host names with one IP:
ns4.purdue.edu points to: 128.210.224.234.