lesson99.com - robtex.com
lesson99.com
| CNAME | lesson99-com.cname.saaswaf.com | ||||||
| CNAME | zjtcv3o3.cache.saaswaf.com | ||||||
| CNAME | zjtcv3o3.cache.dbappwaf.cn | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 122.229.131.20🇨🇳 CHINANET-BACKBONE122.224.0.0/12 China Telecom Network | ||||||
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=1784314817 | ||||||
Same first word
lesson99.com |
Similar names
DNS History
10 records (3 active, 7 former)
●NSa.ezdnscenter.com2026-03-09 → 2026-07-17 · 3 obs
○ 2018-12-16 03:11:16
● 2026-03-09 03:09:04
● 2026-07-17 19:21:10
● 2026-03-09 03:09:04
● 2026-07-17 19:21:10
●NSb.ezdnscenter.com2026-03-09 → 2026-07-17 · 3 obs
○ 2018-12-16 03:11:16
● 2026-03-09 03:09:04
● 2026-07-17 19:21:10
● 2026-03-09 03:09:04
● 2026-07-17 19:21:10
○NSns1.ezdnscenter.com2015-07-05 → 2018-12-16 · 4 obs
● 2015-07-05 22:18:28
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
○NSns2.ezdnscenter.com2015-07-05 → 2018-12-16 · 4 obs
● 2015-07-05 22:18:28
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
○NSns3.ezdnscenter.com2015-07-05 → 2018-12-16 · 4 obs
● 2015-07-05 22:18:28
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
○NSns4.ezdnscenter.com2015-07-05 → 2018-12-16 · 4 obs
● 2015-07-05 22:18:28
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
○NSns5.ezdnscenter.com2015-07-05 → 2018-12-16 · 4 obs
● 2015-07-05 22:18:28
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
○NSns6.ezdnscenter.com2015-07-05 → 2018-12-16 · 4 obs
● 2015-07-05 22:18:28
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
○A115.239.136.442015-07-05 → 2018-12-16 · 4 obs
● 2015-07-05 22:18:28
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
● 2018-12-16 03:11:16
○ 2026-03-09 03:09:04
○ 2026-07-17 19:21:10
●CNAMElesson99-com.cname.saaswaf.com2026-03-09 → 2026-07-17 · 2 obs
● 2026-03-09 03:09:04
● 2026-07-17 19:21:10
● 2026-07-17 19:21:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| lesson99.com | a.ezdnscenter.com, b.ezdnscenter.com | 3 records |
✅ Authoritative Response
Server:183.253.57.210
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lesson99.com (unsigned zone)
⏱️ Timing
Total: 564ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| TXT | 1 | v=spf1 -all |
| CNAME | 1 | lesson99-com.cname.saaswaf.com |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (a.ezdnscenter.com, b.ezdnscenter.com, b.ezdnscenter.com)
Analysis
IP Addresses
lesson99.com has exactly one IP address — 122.229.131.20.
Other host names share IP numbers with lesson99.com; zjtcv3o3.cache.dbappwaf.cn is one such example.