comsortstudy.com - robtex.com
comsortstudy.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=1794211836 | ||||||
Previous names
Next names
DNS History
7 records (0 active, 7 former)
○NScbru.br.ns.els-gms.att.net2015-08-25 → 2018-10-02 · 4 obs
● 2015-08-25 10:03:54
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
○NScmtu.mt.ns.els-gms.att.net2015-08-25 → 2018-10-02 · 4 obs
● 2015-08-25 10:03:54
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
○NSns6.customer.level3.net2015-08-25 → 2018-10-02 · 4 obs
● 2015-08-25 10:03:54
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
○NSns9.customer.level3.net2015-08-25 → 2018-10-02 · 4 obs
● 2015-08-25 10:03:54
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
○MXtaz.ed.1merck.com2015-08-25 → 2018-10-02 · 4 obs
● 2015-08-25 10:03:54
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
○MXwily.ed.1merck.com2015-08-25 → 2018-10-02 · 4 obs
● 2015-08-25 10:03:54
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
○A155.91.16.1062015-08-25 → 2018-10-02 · 4 obs
● 2015-08-25 10:03:54
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
● 2018-10-02 07:39:56
○ 2026-10-15 03:10:58
○ 2026-11-09 08:16:50
🔍 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:192.5.6.30
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: 286ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|