hd-university.com - robtex.com
hd-university.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=1778699541 | ||||||
Same first word
hd-university.com |
DNS History
8 records (0 active, 8 former)
○NSdns10.hichina.com2016-12-21 → 2016-12-21 · 3 obs
● 2016-12-21 00:14:04
○ 2026-04-09 09:08:08
○ 2026-05-13 19:27:58
○ 2026-04-09 09:08:08
○ 2026-05-13 19:27:58
○NSdns9.hichina.com2016-12-21 → 2016-12-21 · 3 obs
● 2016-12-21 00:14:04
○ 2026-04-09 09:08:08
○ 2026-05-13 19:27:58
○ 2026-04-09 09:08:08
○ 2026-05-13 19:27:58
○NSns33.domaincontrol.com2026-04-09 → 2026-04-22 · 4 obs
○ 2016-12-21 00:14:04
● 2026-04-09 09:08:08
● 2026-04-22 19:05:34
○ 2026-05-13 19:27:58
● 2026-04-09 09:08:08
● 2026-04-22 19:05:34
○ 2026-05-13 19:27:58
○NSns34.domaincontrol.com2026-04-09 → 2026-04-22 · 4 obs
○ 2016-12-21 00:14:04
● 2026-04-09 09:08:08
● 2026-04-22 19:05:34
○ 2026-05-13 19:27:58
● 2026-04-09 09:08:08
● 2026-04-22 19:05:34
○ 2026-05-13 19:27:58
○A13.248.213.452026-04-09 → 2026-04-22 · 3 obs
● 2026-04-09 09:08:08
● 2026-04-22 19:05:34
○ 2026-05-13 19:27:58
● 2026-04-22 19:05:34
○ 2026-05-13 19:27:58
○A15.197.148.332026-04-09 → 2026-05-13 · 2 obs
○ 2026-04-09 09:08:08
○ 2026-05-13 19:27:58
○ 2026-05-13 19:27:58
○A3.33.130.1902026-04-09 → 2026-05-13 · 2 obs
○ 2026-04-09 09:08:08
○ 2026-05-13 19:27:58
○ 2026-05-13 19:27:58
○A76.223.67.1892026-04-09 → 2026-04-22 · 3 obs
● 2026-04-09 09:08:08
● 2026-04-22 19:05:34
○ 2026-05-13 19:27:58
● 2026-04-22 19:05:34
○ 2026-05-13 19:27:58
🔍 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:192.48.79.30
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: 357ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|