headknowledgeapp.com - robtex.com
headknowledgeapp.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=1774371157 | ||||||
Previously MX for
DNS History
11 records (0 active, 11 former)
○NSns1.websitehostserver.net2016-07-10 → 2017-03-21 · 5 obs
○ 2016-03-13 21:36:24
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
○NSns2.websitehostserver.net2016-07-10 → 2017-03-21 · 5 obs
○ 2016-03-13 21:36:24
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
○NSns3.websitehostserver.net2016-07-10 → 2017-03-21 · 5 obs
○ 2016-03-13 21:36:24
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
○NSns4.websitehostserver.net2016-07-10 → 2017-03-21 · 5 obs
○ 2016-03-13 21:36:24
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
○NSns51.1and1.com2015-08-02 → 2016-03-13 · 4 obs
● 2015-08-02 18:08:08
● 2016-03-13 21:36:24
○ 2016-07-10 22:25:44
○ 2026-03-24 17:08:10
● 2016-03-13 21:36:24
○ 2016-07-10 22:25:44
○ 2026-03-24 17:08:10
○NSns52.1and1.com2015-08-02 → 2016-03-13 · 4 obs
● 2015-08-02 18:08:08
● 2016-03-13 21:36:24
○ 2016-07-10 22:25:44
○ 2026-03-24 17:08:10
● 2016-03-13 21:36:24
○ 2016-07-10 22:25:44
○ 2026-03-24 17:08:10
○MXheadknowledgeapp.com2016-07-10 → 2017-03-21 · 5 obs
○ 2016-03-13 21:36:24
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
○MXmx00.1and1.com2015-08-02 → 2016-03-13 · 4 obs
● 2015-08-02 18:08:08
● 2016-03-13 21:36:24
○ 2016-07-10 22:25:44
○ 2026-03-24 17:08:10
● 2016-03-13 21:36:24
○ 2016-07-10 22:25:44
○ 2026-03-24 17:08:10
○MXmx01.1and1.com2015-08-02 → 2016-03-13 · 4 obs
● 2015-08-02 18:08:08
● 2016-03-13 21:36:24
○ 2016-07-10 22:25:44
○ 2026-03-24 17:08:10
● 2016-03-13 21:36:24
○ 2016-07-10 22:25:44
○ 2026-03-24 17:08:10
○A209.15.221.842016-07-10 → 2017-03-21 · 5 obs
○ 2016-03-13 21:36:24
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
● 2016-07-10 22:25:44
● 2017-03-21 08:59:26
○ 2026-03-16 10:21:08
○ 2026-03-24 17:08:10
○A74.208.169.722015-08-02 → 2016-03-13 · 4 obs
● 2015-08-02 18:08:08
● 2016-03-13 21:36:24
○ 2016-07-10 22:25:44
○ 2026-03-24 17:08:10
● 2016-03-13 21:36:24
○ 2016-07-10 22:25:44
○ 2026-03-24 17:08:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.52.178.30
NS records: d.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 139ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|