codex.cs.yale.edu - robtex.com
codex.cs.yale.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.36.0.108🇺🇸 YALE-MAIN-AS128.36.0.0/16 Yale University | ||||||
| PTR | codex.cs.yale.edu | ||||||
cs.yale.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.36.0.109🇺🇸 YALE-MAIN-AS128.36.0.0/16 Yale University | ||||||
| NS | pks1302-102.net.yale.edu ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns2.bluecatdns.com ⚠️ Not in parent delegation | ||||||
| NS | ns2.bluecatdns.net ⚠️ Not in parent delegation | ||||||
| NS | ns2.bluecatdns.org ⚠️ Not in parent delegation | ||||||
| NS | pks1302-103.net.yale.edu ⚠️ Not in parent delegation | ||||||
| MX | cs-yale-edu.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 mx a:netra.cs.yale.edu | ||||||
| SOA | pks1302-102.net.yale.eduhostmaster@net.yale.edu serial=642772742 | ||||||
WOT: SAFE (89/100)
PTR for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A128.36.0.1082026-02-20 → 2026-05-10 · 3 obs
○ 2016-06-28 17:13:02
● 2026-02-20 21:26:54
● 2026-05-10 17:38:24
● 2026-02-20 21:26:54
● 2026-05-10 17:38:24
○A128.36.233.712015-11-23 → 2016-06-28 · 4 obs
● 2015-11-23 01:41:40
● 2016-06-28 17:13:02
○ 2026-02-20 21:26:54
○ 2026-05-10 17:38:24
● 2016-06-28 17:13:02
○ 2026-02-20 21:26:54
○ 2026-05-10 17:38:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net... | - |
| yale.edu | pks1302-102.net.yale.edu, pks1302-103.net.yale.edu, ns1.bluecatdns.net, ns1.bluecatdns.com... | 2 records |
✅ Authoritative Response
Server:128.36.72.29
NS records: pks1302-102.net.yale.edu, pks1302-103.net.yale.edu, ns1.bluecatdns.net, ns1.bluecatdns.com, ns1.bluecatdns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yale.edu (unsigned zone)
⏱️ Timing
Total: 133ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.36.0.108 |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (pks1302-102.net.yale.edu, pks1302-103.net.yale.edu)
Analysis
IP Addresses
codex.cs.yale.edu resolves to one IP number: 128.36.0.108.
Other host names such as www.db-book.com and db-book.com share IP numbers with codex.cs.yale.edu.