online-lesson.com - robtex.com
online-lesson.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=1784108037 | ||||||
Subdomains
www.online-lesson.com |
Same first word
DNS History
17 records (0 active, 17 former)
○NSns1.namebrightdns.com2015-11-25 → 2016-06-18 · 5 obs
○ 2015-08-07 16:32:00
● 2015-11-25 23:51:36
● 2016-06-18 16:44:32
○ 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
● 2015-11-25 23:51:36
● 2016-06-18 16:44:32
○ 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
○NSns2.namebrightdns.com2015-11-25 → 2016-06-18 · 5 obs
○ 2015-08-07 16:32:00
● 2015-11-25 23:51:36
● 2016-06-18 16:44:32
○ 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
● 2015-11-25 23:51:36
● 2016-06-18 16:44:32
○ 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
○NSnsg1.namebrightdns.com2015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 16:32:00
○ 2015-11-25 23:51:36
○ 2026-07-15 09:39:16
○ 2015-11-25 23:51:36
○ 2026-07-15 09:39:16
○NSnsg2.namebrightdns.com2015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 16:32:00
○ 2015-11-25 23:51:36
○ 2026-07-15 09:39:16
○ 2015-11-25 23:51:36
○ 2026-07-15 09:39:16
○NSnst1.namebrightdns.com2017-01-16 → 2017-01-16 · 3 obs
○ 2016-06-18 16:44:32
● 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
● 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
○NSnst2.namebrightdns.com2017-01-16 → 2017-01-16 · 3 obs
○ 2016-06-18 16:44:32
● 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
● 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
○MXanmail.namebrightmail.com2015-08-07 → 2016-02-27 · 4 obs
● 2015-08-07 16:32:00
● 2016-02-27 05:41:56
○ 2016-06-18 16:44:32
○ 2026-07-15 09:39:16
● 2016-02-27 05:41:56
○ 2016-06-18 16:44:32
○ 2026-07-15 09:39:16
○A107.23.42.502016-02-27 → 2016-02-27 · 4 obs
○ 2015-11-25 23:51:36
● 2016-02-27 05:41:56
○ 2016-06-18 16:44:32
○ 2026-07-15 09:39:16
● 2016-02-27 05:41:56
○ 2016-06-18 16:44:32
○ 2026-07-15 09:39:16
○A52.200.243.1232016-06-18 → 2016-06-18 · 4 obs
○ 2016-02-27 05:41:56
● 2016-06-18 16:44:32
○ 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
● 2016-06-18 16:44:32
○ 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
○A52.73.136.1402016-02-27 → 2016-02-27 · 4 obs
○ 2015-11-25 23:51:36
● 2016-02-27 05:41:56
○ 2016-06-18 16:44:32
○ 2026-07-15 09:39:16
● 2016-02-27 05:41:56
○ 2016-06-18 16:44:32
○ 2026-07-15 09:39:16
○A54.152.144.2432016-06-18 → 2016-06-18 · 4 obs
○ 2016-02-27 05:41:56
● 2016-06-18 16:44:32
○ 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
● 2016-06-18 16:44:32
○ 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
○A54.174.31.2542015-08-07 → 2015-11-25 · 4 obs
● 2015-08-07 16:32:00
● 2015-11-25 23:51:36
○ 2016-02-27 05:41:56
○ 2026-07-15 09:39:16
● 2015-11-25 23:51:36
○ 2016-02-27 05:41:56
○ 2026-07-15 09:39:16
○A54.208.74.2152015-08-07 → 2015-11-25 · 4 obs
● 2015-08-07 16:32:00
● 2015-11-25 23:51:36
○ 2016-02-27 05:41:56
○ 2026-07-15 09:39:16
● 2015-11-25 23:51:36
○ 2016-02-27 05:41:56
○ 2026-07-15 09:39:16
○A54.82.156.192017-01-16 → 2017-01-16 · 3 obs
○ 2016-06-18 16:44:32
● 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
● 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
○A54.86.225.1562017-01-16 → 2017-01-16 · 3 obs
○ 2016-06-18 16:44:32
● 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
● 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-07 → 2016-06-18 · 4 obs
● 2015-08-07 16:32:00
● 2016-06-18 16:44:32
○ 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
● 2016-06-18 16:44:32
○ 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-16 → 2017-01-16 · 3 obs
○ 2016-06-18 16:44:32
● 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
● 2017-01-16 07:20:34
○ 2026-07-15 09:39:16
🔍 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: 77ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|