map1.siu.edu - robtex.com
map1.siu.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 131.230.21.130🇺🇸 AS15119131.230.0.0/16 | ||||||
| PTR | plesk-sites1.web.siu.edu | ||||||
| A | 131.230.21.143🇺🇸 AS15119131.230.0.0/16 | ||||||
siu.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 131.230.21.130🇺🇸 AS15119131.230.0.0/16 | ||||||
| NS | ns1.siu.edu ⭐ | ||||||
| NS | ns3.siu.edu | ||||||
| NS | ns4.siu.edu | ||||||
| NS | ns5.siu.edu | ||||||
| MX | siu-edu.mail.protection.outlook.com ⭐ | ||||||
| TXT | apple-domain-verification=UWcwBIUNhBK-htVraea_MSmuyduELwRhhWx2MFJw2OE | ||||||
| TXT | e2ma-verification=702eb | ||||||
| TXT | adobe-idp-site-verification=8e699fe7391a61d469bd007a3295c397905fb566b98db27d3... | ||||||
| TXT | MS=ms20230666 | ||||||
| TXT | apple-domain-verification=wLe0m12b2Z4EunYa | ||||||
| TXT | e2ma-verification=19bbb | ||||||
| TXT | HoxTnhzvBYZ82oYiTjotA/8BUKC/NJEHjQL5Yvtwo15uaVyH+vsDHa5xmjKxnwtDtJloUn2AHIlLs... | ||||||
| TXT | v=spf1 a mx ip4:131.230.0.0/16 include:spf.protection.outlook.com include:sen... | ||||||
| SOA | ns1.siu.edunetwork-engineering@siu.edu 2026-03-27 #3 | ||||||
rank #7178 globally
rank #234 in the tld
WOT: SAFE (85/100)
📈 Tranco rank: #16,718
PTR for
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●A131.230.21.1302026-02-15 → 2026-03-28 · 2 obs
● 2026-02-15 09:12:00
● 2026-03-28 08:07:56
● 2026-03-28 08:07:56
●A131.230.21.1432026-02-15 → 2026-03-28 · 2 obs
● 2026-02-15 09:12:00
● 2026-03-28 08:07:56
● 2026-03-28 08:07:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net... | - |
| siu.edu | ns1.siu.edu, ns4.siu.edu, ns3.siu.edu, ns5.siu.edu | 4 records |
✅ Authoritative Response
Server:131.230.24.1
NS records: ns1.siu.edu, ns4.siu.edu, ns3.siu.edu, ns5.siu.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for siu.edu (unsigned zone)
⏱️ Timing
Total: 504ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 131.230.21.130, 131.230.21.143 |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.siu.edu, ns4.siu.edu, ns3.siu.edu...)
Analysis
IP Addresses
map1.siu.edu resolves to two IP numbers: 131.230.21.130 and 131.230.21.143.
other host names including paulsimoninstitute.siu.edu, sac.rso.siu.edu, ode.siu.edu, womenstudies.siu.edu and usg.rso.siu.edu share IP numbers with map1.siu.edu.