23lesson.com - robtex.com
23lesson.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1784393934 | ||||||
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=1784508822 | ||||||
Same first word
23lesson.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.julydns.com2026-07-18 → 2026-07-20 · 2 obs
● 2026-07-20 01:23:16
●NSns1.onclouddns.com2026-07-18 → 2026-07-20 · 2 obs
● 2026-07-20 01:23:16
●NSns2.julydns.com2026-07-18 → 2026-07-20 · 2 obs
● 2026-07-20 01:23:16
●NSns2.onclouddns.com2026-07-18 → 2026-07-20 · 2 obs
● 2026-07-20 01:23:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net... | - |
| 23lesson.com | ns1.onclouddns.com, ns2.onclouddns.com | 2 records |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.onclouddns.com, ns2.onclouddns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 23lesson.com (unsigned zone)
⏱️ Timing
Total: 486ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.onclouddns.com, ns2.onclouddns.com)
Analysis
Name Servers
The authoritative name servers for 23lesson.com are ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.
There is at least partial name server overlap between 23lesson.com and other domains — xjdxxb.com, xinjiamodel.com, hht2019.com and two more among them.
These name servers frequently co-occur with the name servers ns1.judns.com and ns2.judns.com.
Four host names each point to one IP address: ns1.julydns.com and ns2.julydns.com both point to 162.159.48.223, and ns1.onclouddns.com and ns2.onclouddns.com both point to 162.159.27.251.
ns1.julydns.com along with ns2.julydns.com each resolve to 162.159.48.223 IP addresses.
ns1.onclouddns.com along with ns2.onclouddns.com each resolve to 162.159.27.251 IP addresses.