optimal-cert.com - robtex.com
optimal-cert.com
| DNSSEC | ⚠️ Not signed | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1787126259 | ||||||
Similar names
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DNS History
4 records (0 active, 4 former)
○NSns79.worldnic.com2015-08-22 → 2017-04-24 · 4 obs
● 2015-08-22 14:03:44
● 2017-04-24 03:27:32
○ 2026-08-19 06:55:30
○ 2026-08-19 08:13:08
● 2017-04-24 03:27:32
○ 2026-08-19 06:55:30
○ 2026-08-19 08:13:08
○NSns80.worldnic.com2015-08-22 → 2017-04-24 · 4 obs
● 2015-08-22 14:03:44
● 2017-04-24 03:27:32
○ 2026-08-19 06:55:30
○ 2026-08-19 08:13:08
● 2017-04-24 03:27:32
○ 2026-08-19 06:55:30
○ 2026-08-19 08:13:08
○MXp.webcom.ctmail.com2015-12-20 → 2017-04-24 · 4 obs
● 2015-12-20 01:04:10
● 2017-04-24 03:27:32
○ 2026-08-19 06:55:30
○ 2026-08-19 08:13:08
● 2017-04-24 03:27:32
○ 2026-08-19 06:55:30
○ 2026-08-19 08:13:08
○A199.116.78.1622015-08-22 → 2017-04-24 · 4 obs
● 2015-08-22 14:03:44
● 2017-04-24 03:27:32
○ 2026-08-19 06:55:30
○ 2026-08-19 08:13:08
● 2017-04-24 03:27:32
○ 2026-08-19 06:55:30
○ 2026-08-19 08:13:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.42.93.30
NS records: a.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 189ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|