qingstudy.com - robtex.com
qingstudy.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=1794682746 | ||||||
Similar names
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DNS History
11 records (0 active, 11 former)
○NSdns7.hichina.com2015-07-02 → 2016-10-04 · 4 obs
● 2015-07-02 04:00:48
● 2016-10-04 22:12:02
○ 2018-01-28 14:19:02
○ 2026-11-14 19:21:14
● 2016-10-04 22:12:02
○ 2018-01-28 14:19:02
○ 2026-11-14 19:21:14
○NSdns8.hichina.com2015-07-02 → 2016-10-04 · 4 obs
● 2015-07-02 04:00:48
● 2016-10-04 22:12:02
○ 2018-01-28 14:19:02
○ 2026-11-14 19:21:14
● 2016-10-04 22:12:02
○ 2018-01-28 14:19:02
○ 2026-11-14 19:21:14
○NSexp1.julydns.com2026-10-12 → 2026-10-12 · 4 obs
○ 2026-04-02 22:59:32
● 2026-10-12 21:11:42
○ 2026-10-22 21:25:54
○ 2026-11-14 19:21:14
● 2026-10-12 21:11:42
○ 2026-10-22 21:25:54
○ 2026-11-14 19:21:14
○NSexp2.julydns.com2026-10-12 → 2026-10-12 · 4 obs
○ 2026-04-02 22:59:32
● 2026-10-12 21:11:42
○ 2026-10-22 21:25:54
○ 2026-11-14 19:21:14
● 2026-10-12 21:11:42
○ 2026-10-22 21:25:54
○ 2026-11-14 19:21:14
○NSns1.julydns.com2026-04-02 → 2026-04-02 · 4 obs
○ 2018-01-28 14:19:02
● 2026-04-02 22:59:32
○ 2026-10-12 21:11:42
○ 2026-11-14 19:21:14
● 2026-04-02 22:59:32
○ 2026-10-12 21:11:42
○ 2026-11-14 19:21:14
○NSns2.julydns.com2026-04-02 → 2026-04-02 · 4 obs
○ 2018-01-28 14:19:02
● 2026-04-02 22:59:32
○ 2026-10-12 21:11:42
○ 2026-11-14 19:21:14
● 2026-04-02 22:59:32
○ 2026-10-12 21:11:42
○ 2026-11-14 19:21:14
○NSvip1.alidns.com2018-01-28 → 2018-01-28 · 4 obs
○ 2016-10-04 22:12:02
● 2018-01-28 14:19:02
○ 2026-04-02 22:59:32
○ 2026-11-14 19:21:14
● 2018-01-28 14:19:02
○ 2026-04-02 22:59:32
○ 2026-11-14 19:21:14
○NSvip2.alidns.com2018-01-28 → 2018-01-28 · 4 obs
○ 2016-10-04 22:12:02
● 2018-01-28 14:19:02
○ 2026-04-02 22:59:32
○ 2026-11-14 19:21:14
● 2018-01-28 14:19:02
○ 2026-04-02 22:59:32
○ 2026-11-14 19:21:14
○A114.215.63.502015-07-02 → 2018-01-28 · 4 obs
● 2015-07-02 04:00:48
● 2018-01-28 14:19:02
○ 2026-04-02 22:59:32
○ 2026-11-14 19:21:14
● 2018-01-28 14:19:02
○ 2026-04-02 22:59:32
○ 2026-11-14 19:21:14
○A23.94.172.422026-04-02 → 2026-04-02 · 4 obs
○ 2018-01-28 14:19:02
● 2026-04-02 22:59:32
○ 2026-10-12 21:11:42
○ 2026-11-14 19:21:14
● 2026-04-02 22:59:32
○ 2026-10-12 21:11:42
○ 2026-11-14 19:21:14
○CNAMEexp.julydns.com2026-10-12 → 2026-10-12 · 3 obs
● 2026-10-12 21:11:42
○ 2026-10-22 21:25:54
○ 2026-11-14 19:21:14
○ 2026-10-22 21:25:54
○ 2026-11-14 19:21:14
🔍 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
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 463ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|