mx1.duipont.com - robtex.com
mx1.duipont.com
| DNSSEC | ⚠️ Not signed | ||||||
duipont.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | pdns216.ultradns.biz ⚠️ Not in zone NS records | ||||||
| NS | pdns216.ultradns.com ⚠️ Not in zone NS records | ||||||
| NS | pdns216.ultradns.net ⚠️ Not in zone NS records | ||||||
| NS | pdns216.ultradns.org ⚠️ Not in zone NS records | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
○A89.19.1.732015-07-22 → 2016-05-10 · 3 obs
● 2015-07-22 11:56:52
● 2016-05-10 09:25:34
○ 2026-07-22 19:12:54
● 2016-05-10 09:25:34
○ 2026-07-22 19:12:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| duipont.com | pdns216.ultradns.net, pdns216.ultradns.com, pdns216.ultradns.biz, pdns216.ultradns.org | 2 records |
✅ Authoritative Response
Server:156.154.67.216
NS records: pdns216.ultradns.net, pdns216.ultradns.com, pdns216.ultradns.biz, pdns216.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duipont.com (unsigned zone)
⏱️ Timing
Total: 523ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns216.ultradns.com, pdns216.ultradns.com)