optimalinstitute.com - robtex.com
optimalinstitute.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=1786075954 | ||||||
DNS History
7 records (0 active, 7 former)
○NSbuy.internettraffic.com2015-06-28 → 2015-06-28 · 3 obs
● 2015-06-28 22:12:14
○ 2015-11-01 17:53:40
○ 2026-08-07 04:37:26
○ 2015-11-01 17:53:40
○ 2026-08-07 04:37:26
○NSns1.domainit.com2016-04-26 → 2019-12-25 · 5 obs
○ 2015-11-01 17:53:40
● 2016-04-26 22:26:22
● 2019-12-25 16:04:32
○ 2026-08-07 04:34:24
○ 2026-08-07 04:37:26
● 2016-04-26 22:26:22
● 2019-12-25 16:04:32
○ 2026-08-07 04:34:24
○ 2026-08-07 04:37:26
○NSns2.domainit.com2016-04-26 → 2019-12-25 · 5 obs
○ 2015-11-01 17:53:40
● 2016-04-26 22:26:22
● 2019-12-25 16:04:32
○ 2026-08-07 04:34:24
○ 2026-08-07 04:37:26
● 2016-04-26 22:26:22
● 2019-12-25 16:04:32
○ 2026-08-07 04:34:24
○ 2026-08-07 04:37:26
○NSsell.internettraffic.com2015-06-28 → 2015-06-28 · 3 obs
● 2015-06-28 22:12:14
○ 2015-11-01 17:53:40
○ 2026-08-07 04:37:26
○ 2015-11-01 17:53:40
○ 2026-08-07 04:37:26
○MXmail.domainit.com2016-04-26 → 2019-12-25 · 4 obs
● 2016-04-26 22:26:22
● 2019-12-25 16:04:32
○ 2026-08-07 04:34:24
○ 2026-08-07 04:37:26
● 2019-12-25 16:04:32
○ 2026-08-07 04:34:24
○ 2026-08-07 04:37:26
○A50.22.154.1262016-04-26 → 2019-12-25 · 5 obs
○ 2015-11-01 17:53:40
● 2016-04-26 22:26:22
● 2019-12-25 16:04:32
○ 2026-08-07 04:34:24
○ 2026-08-07 04:37:26
● 2016-04-26 22:26:22
● 2019-12-25 16:04:32
○ 2026-08-07 04:34:24
○ 2026-08-07 04:37:26
○A69.172.201.2082015-06-28 → 2015-06-28 · 3 obs
● 2015-06-28 22:12:14
○ 2015-11-01 17:53:40
○ 2026-08-07 04:37:26
○ 2015-11-01 17:53:40
○ 2026-08-07 04:37:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.54.112.30
NS records: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 980ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|