lb-static-cstack.cit.cornell.edu - robtex.com
lb-static-cstack.cit.cornell.edu
| DNSSEC | ⚠️ Not signed | ||||||
cit.cornell.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.224.123.132🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix | ||||||
| A | 35.171.238.11🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix | ||||||
| NS | dns.cit.cornell.edu ⭐ ⚠️ Not in parent delegation | ||||||
| NS | bigred.cit.cornell.edu ⚠️ Not in parent delegation | ||||||
| NS | cudns.cit.cornell.edu ⚠️ Not in parent delegation | ||||||
| NS | drdns.cit.cornell.edu ⚠️ Not in parent delegation | ||||||
| NS | drdns2.cit.cornell.edu ⚠️ Not in parent delegation | ||||||
| MX | cit-cornell-edu.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | dns.cit.cornell.edunsmaster@cornell.edu serial=3605120202 | ||||||
WOT: SAFE (72/100)
DNS History
1 record (0 active, 1 former)
○A128.84.202.1802020-01-26 → 2020-01-26 · 3 obs
● 2020-01-26 19:21:26
○ 2026-05-11 09:40:02
○ 2026-05-12 06:50:52
○ 2026-05-11 09:40:02
○ 2026-05-12 06:50:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | g.edu-servers.net, l.edu-servers.net, j.edu-servers.net, h.edu-servers.net... | - |
| cornell.edu | bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu, drdns.cit.cornell.edu... | 5 records |
✅ Authoritative Response
Server:132.236.56.252
NS records: bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu, drdns.cit.cornell.edu, drdns2.cit.cornell.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cornell.edu (unsigned zone)
⏱️ Timing
Total: 244ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 5
In-bailiwick: 5 (bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu...)