it-stu.com - robtex.com
it-stu.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=1777473251 | ||||||
Similar names
DNS History
9 records (0 active, 9 former)
○NSdns10.hichina.com2016-04-23 → 2016-04-23 · 3 obs
● 2016-04-23 08:38:46
○ 2017-04-05 15:33:20
○ 2026-04-29 14:46:24
○ 2017-04-05 15:33:20
○ 2026-04-29 14:46:24
○NSdns9.hichina.com2016-04-23 → 2016-04-23 · 3 obs
● 2016-04-23 08:38:46
○ 2017-04-05 15:33:20
○ 2026-04-29 14:46:24
○ 2017-04-05 15:33:20
○ 2026-04-29 14:46:24
○NSexpirens3.hichina.com2017-04-05 → 2017-04-05 · 4 obs
○ 2016-04-23 08:38:46
● 2017-04-05 15:33:20
○ 2026-03-25 23:18:14
○ 2026-04-29 14:46:24
● 2017-04-05 15:33:20
○ 2026-03-25 23:18:14
○ 2026-04-29 14:46:24
○NSexpirens4.hichina.com2017-04-05 → 2017-04-05 · 4 obs
○ 2016-04-23 08:38:46
● 2017-04-05 15:33:20
○ 2026-03-25 23:18:14
○ 2026-04-29 14:46:24
● 2017-04-05 15:33:20
○ 2026-03-25 23:18:14
○ 2026-04-29 14:46:24
○MXmxn.mxhichina.com2016-04-23 → 2016-04-23 · 3 obs
● 2016-04-23 08:38:46
○ 2017-04-05 15:33:20
○ 2026-04-29 14:46:24
○ 2017-04-05 15:33:20
○ 2026-04-29 14:46:24
○MXmxw.mxhichina.com2016-04-23 → 2016-04-23 · 3 obs
● 2016-04-23 08:38:46
○ 2017-04-05 15:33:20
○ 2026-04-29 14:46:24
○ 2017-04-05 15:33:20
○ 2026-04-29 14:46:24
○A121.42.95.1802016-04-23 → 2016-04-23 · 4 obs
○ 2015-10-25 19:20:26
● 2016-04-23 08:38:46
○ 2017-04-05 15:33:20
○ 2026-04-29 14:46:24
● 2016-04-23 08:38:46
○ 2017-04-05 15:33:20
○ 2026-04-29 14:46:24
○A47.89.58.1412017-04-05 → 2017-04-05 · 4 obs
○ 2016-04-23 08:38:46
● 2017-04-05 15:33:20
○ 2026-03-25 23:18:14
○ 2026-04-29 14:46:24
● 2017-04-05 15:33:20
○ 2026-03-25 23:18:14
○ 2026-04-29 14:46:24
○A8.15.231.1092008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 12:39:30
○ 2015-10-25 19:20:26
○ 2026-04-29 14:46:24
○ 2015-10-25 19:20:26
○ 2026-04-29 14:46:24
🔍 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: 158ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|