studentsvr.com - robtex.com
studentsvr.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=1774733847 | ||||||
DNS History
9 records (0 active, 9 former)
○NSns1.blacknight.com2015-08-18 → 2017-10-29 · 4 obs
● 2015-08-18 17:49:44
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
○NSns2.blacknight.com2015-08-18 → 2017-10-29 · 4 obs
● 2015-08-18 17:49:44
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
○NSns3.blacknight.com2016-11-26 → 2017-10-29 · 5 obs
○ 2015-08-18 17:49:44
● 2016-11-26 15:32:30
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
● 2016-11-26 15:32:30
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
○NSns4.blacknight.com2016-11-26 → 2017-10-29 · 5 obs
○ 2015-08-18 17:49:44
● 2016-11-26 15:32:30
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
● 2016-11-26 15:32:30
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
○MXinbound-smtp.cp.blacknight.com2016-04-21 → 2017-10-29 · 5 obs
○ 2015-12-17 20:01:44
● 2016-04-21 20:27:40
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
● 2016-04-21 20:27:40
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
○MXsmtp1r.cp.blacknight.com2015-08-18 → 2015-12-17 · 4 obs
● 2015-08-18 17:49:44
● 2015-12-17 20:01:44
○ 2016-04-21 20:27:40
○ 2026-03-28 21:52:42
● 2015-12-17 20:01:44
○ 2016-04-21 20:27:40
○ 2026-03-28 21:52:42
○A185.2.67.182015-12-17 → 2017-10-29 · 5 obs
○ 2015-08-18 17:49:44
● 2015-12-17 20:01:44
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
● 2015-12-17 20:01:44
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
○A2a01:a8:dc0:330:1::fe52015-12-17 → 2017-10-29 · 5 obs
○ 2015-08-18 17:49:44
● 2015-12-17 20:01:44
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
● 2015-12-17 20:01:44
● 2017-10-29 06:40:36
○ 2026-02-22 14:18:24
○ 2026-03-28 21:52:42
○A78.153.212.1732015-08-18 → 2015-08-18 · 3 obs
● 2015-08-18 17:49:44
○ 2015-12-17 20:01:44
○ 2026-03-28 21:52:42
○ 2015-12-17 20:01:44
○ 2026-03-28 21:52:42
🔍 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:192.12.94.30
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: 63ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|