i2dlab.org - robtex.com
i2dlab.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 | ||||||
| PTR | ns3.purdue.edu | ||||||
| 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 | 2001:18e8:800:201::a🇺🇸 ASN172001:18e8:800::/44 Purdue University | ||||||
| PTR | ns4.purdue.edu | ||||||
| A | 128.210.224.234🇺🇸 ASN17128.210.0.0/16 Purdue University | ||||||
| PTR | ns4.purdue.edu | ||||||
| NS | ns5.purdue.edu ⚠️ Not in zone NS records | ||||||
| A | 20.241.160.48🇺🇸 Microsoft20.192.0.0/10 | ||||||
| TXT | Contacts=Tami Sells,tsells@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=1773551953 | ||||||
Same first word
i2dlab.org |
Similar names
DNS History
4 records (3 active, 1 former)
●NSns3.purdue.edu2026-02-17 → 2026-03-23 · 2 obs
● 2026-03-23 12:27:54
●NSns4.purdue.edu2026-02-17 → 2026-03-23 · 2 obs
● 2026-03-23 12:27:54
●NSns5.purdue.edu2026-02-17 → 2026-03-23 · 2 obs
● 2026-03-23 12:27:54
○A128.46.104.202026-02-17 → 2026-03-14 · 3 obs
● 2026-03-14 09:57:00
○ 2026-03-23 12:27:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| i2dlab.org | ns4.purdue.edu, ns3.purdue.edu, ns5.purdue.edu | - |
✅ Authoritative Response
Server:128.210.224.226
NS records: ns4.purdue.edu, ns3.purdue.edu, ns5.purdue.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for i2dlab.org (unsigned zone)
⏱️ Timing
Total: 318ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns3.purdue.edu, ns5.purdue.edu... |
| TXT | 1 | Contacts=Tami Sells,tsells@purdue.edu |
| SOA | 1 | ns3.purdue.edu hostmaster.purdue.edu |
Analysis
Name Servers
i2dlab.org is delegated to three name servers ns3.purdue.edu, ns4.purdue.edu and ns5.purdue.edu.
i2dlab.org at least partially shares name servers with other domains, for instance edci.purdue.edu, hub.purdue.edu, 68.215.205.in-addr.arpa, orbitlearning.org and arequipanexus.org.
these name servers are often used together with ns1.rice.edu, ns2.rice.edu, pendragon.cs.purdue.edu and harbor.ecn.purdue.edu.
Hosts with two IP numbers:
ns3.purdue.edu points to: 2001:18e8:800:200::a and 128.210.224.226.
ns4.purdue.edu points to: 2001:18e8:800:201::a and 128.210.224.234.
Hosts with one IP number:
ns5.purdue.edu points to: 20.241.160.48.