izstudy.com - robtex.com
izstudy.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=1774414817 | ||||||
Similar names
DNS History
5 records (0 active, 5 former)
○NSf1g1ns1.dnspod.net2015-05-19 → 2020-03-31 · 6 obs
● 2015-05-19 20:25:34
○ 2015-10-10 00:24:52
● 2015-12-19 13:00:42
● 2020-03-31 13:54:44
○ 2026-03-25 05:23:18
○ 2026-03-25 05:23:20
○ 2015-10-10 00:24:52
● 2015-12-19 13:00:42
● 2020-03-31 13:54:44
○ 2026-03-25 05:23:18
○ 2026-03-25 05:23:20
○NSf1g1ns2.dnspod.net2015-05-19 → 2020-03-31 · 6 obs
● 2015-05-19 20:25:34
○ 2015-10-10 00:24:52
● 2015-12-19 13:00:42
● 2020-03-31 13:54:44
○ 2026-03-25 05:23:18
○ 2026-03-25 05:23:20
○ 2015-10-10 00:24:52
● 2015-12-19 13:00:42
● 2020-03-31 13:54:44
○ 2026-03-25 05:23:18
○ 2026-03-25 05:23:20
○MXmxbiz1.qq.com2015-05-19 → 2020-03-31 · 6 obs
● 2015-05-19 20:25:34
○ 2015-10-10 00:24:52
● 2015-12-19 13:00:42
● 2020-03-31 13:54:44
○ 2026-03-25 05:23:18
○ 2026-03-25 05:23:20
○ 2015-10-10 00:24:52
● 2015-12-19 13:00:42
● 2020-03-31 13:54:44
○ 2026-03-25 05:23:18
○ 2026-03-25 05:23:20
○MXmxbiz2.qq.com2015-05-19 → 2020-03-31 · 6 obs
● 2015-05-19 20:25:34
○ 2015-10-10 00:24:52
● 2015-12-19 13:00:42
● 2020-03-31 13:54:44
○ 2026-03-25 05:23:18
○ 2026-03-25 05:23:20
○ 2015-10-10 00:24:52
● 2015-12-19 13:00:42
● 2020-03-31 13:54:44
○ 2026-03-25 05:23:18
○ 2026-03-25 05:23:20
○A106.186.120.562015-05-19 → 2016-09-08 · 6 obs
● 2015-05-19 20:25:34
○ 2015-10-10 00:24:52
● 2015-12-19 13:00:42
● 2016-09-08 17:57:22
○ 2026-03-25 05:23:18
○ 2026-03-25 05:23:20
○ 2015-10-10 00:24:52
● 2015-12-19 13:00:42
● 2016-09-08 17:57:22
○ 2026-03-25 05:23:18
○ 2026-03-25 05:23:20
🔍 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:192.33.14.30
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: 140ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|