51lesson.com - robtex.com
51lesson.com
| CNAME | 51lesson-com-950d1865.xincache5.cn | ||||||
| CNAME | host6745255868.xincache5.cn | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 123.58.214.217🇭🇰 UCLOUD-1123.58.214.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
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=1774467772 | ||||||
Same first word
51lesson.com |
DNS History
9 records (3 active, 6 former)
●NSdns15.hichina.com2026-03-25 → 2026-03-25 · 3 obs
○ 2017-12-11 10:12:52
● 2026-03-25 06:05:22
● 2026-03-25 19:53:28
● 2026-03-25 06:05:22
● 2026-03-25 19:53:28
●NSdns16.hichina.com2026-03-25 → 2026-03-25 · 3 obs
○ 2017-12-11 10:12:52
● 2026-03-25 06:05:22
● 2026-03-25 19:53:28
● 2026-03-25 06:05:22
● 2026-03-25 19:53:28
○NSf1g1ns1.dnspod.net2015-06-13 → 2017-12-11 · 7 obs
● 2015-06-13 20:00:56
● 2016-01-16 06:09:58
○ 2016-04-13 03:43:38
● 2016-11-08 06:58:10
● 2017-12-11 10:12:52
○ 2026-03-25 06:05:22
○ 2026-03-25 19:53:28
● 2016-01-16 06:09:58
○ 2016-04-13 03:43:38
● 2016-11-08 06:58:10
● 2017-12-11 10:12:52
○ 2026-03-25 06:05:22
○ 2026-03-25 19:53:28
○NSf1g1ns2.dnspod.net2015-06-13 → 2017-12-11 · 6 obs
● 2015-06-13 20:00:56
● 2016-01-16 06:09:58
○ 2016-04-13 03:43:38
● 2017-12-11 10:12:52
○ 2026-03-25 06:05:22
○ 2026-03-25 19:53:28
● 2016-01-16 06:09:58
○ 2016-04-13 03:43:38
● 2017-12-11 10:12:52
○ 2026-03-25 06:05:22
○ 2026-03-25 19:53:28
○MXmxbiz1.qq.com2015-06-13 → 2016-01-16 · 4 obs
● 2015-06-13 20:00:56
● 2016-01-16 06:09:58
○ 2016-04-13 03:43:38
○ 2026-03-25 19:53:28
● 2016-01-16 06:09:58
○ 2016-04-13 03:43:38
○ 2026-03-25 19:53:28
○MXmxbiz2.qq.com2015-06-13 → 2016-01-16 · 4 obs
● 2015-06-13 20:00:56
● 2016-01-16 06:09:58
○ 2016-04-13 03:43:38
○ 2026-03-25 19:53:28
● 2016-01-16 06:09:58
○ 2016-04-13 03:43:38
○ 2026-03-25 19:53:28
○A103.41.116.532017-12-11 → 2017-12-11 · 4 obs
○ 2016-04-13 03:43:38
● 2017-12-11 10:12:52
○ 2026-03-25 06:05:22
○ 2026-03-25 19:53:28
● 2017-12-11 10:12:52
○ 2026-03-25 06:05:22
○ 2026-03-25 19:53:28
○A198.204.235.1462015-06-13 → 2016-01-16 · 4 obs
● 2015-06-13 20:00:56
● 2016-01-16 06:09:58
○ 2016-04-13 03:43:38
○ 2026-03-25 19:53:28
● 2016-01-16 06:09:58
○ 2016-04-13 03:43:38
○ 2026-03-25 19:53:28
●CNAME51lesson-com-950d1865.xincache5.cn2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 06:05:22
● 2026-03-25 19:53:28
● 2026-03-25 19:53:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51lesson.com | dns15.hichina.com, dns16.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.41
NS records: dns15.hichina.com, dns16.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51lesson.com (unsigned zone)
⏱️ Timing
Total: 3564ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns15.hichina.com, dns16.hichina.com |
| CNAME | 1 | 51lesson-com-950d1865.xincache5.cn |
| SOA | 1 | dns15.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)
Analysis
IP Addresses
51lesson.com points to a single IP number: 123.58.214.217.
Other host names, for instance host8283993891.xincache5.cn, host2623741693.xincache5.cn, host3082089468.xincache5.cn, host7290179982.xincache5.cn and host6239879606.xincache5.cn share IP numbers with 51lesson.com.