wcaonline.cn - robtex.com
wcaonline.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.judns.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 | 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 | ns2.judns.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 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn 2035-10-25 #47 | ||||||
Same first word
wcaonline.cn |
wcaonline.net |
wcaonline.org |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.julydns.com2026-04-26 → 2026-07-28 · 2 obs
● 2026-07-28 19:36:28
●NSns2.julydns.com2026-04-26 → 2026-07-28 · 2 obs
● 2026-07-28 19:36:28
○A46.149.194.2252026-04-26 → 2026-04-26 · 3 obs
○ 2026-07-12 02:37:42
○ 2026-07-28 19:36:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn... | - |
| wcaonline.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at wcaonline.cn: Error: DNS query timeout: 203.119.29.1 for DS wcaonline.cn
⏱️ Timing
Total: 3831ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
Analysis
Name Servers
The NS records for wcaonline.cn point to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
wcaonline.cn has at least partial name server overlap with other domains, such as gzsaikaishi.com, julol.com, d2dlog.com and two others.
It is common to see these name servers used together with name servers ns1.onclouddns.com and ns2.onclouddns.com.
ns1.judns.com resolves to 162.159.27.251, as does ns2.judns.com. ns1.julydns.com resolves to 162.159.48.223, as does ns2.julydns.com.
ns1.judns.com and ns2.judns.com each have 162.159.27.251 IP addresses.
ns1.julydns.com and ns2.julydns.com each have 162.159.48.223 IP addresses.