acmicpc.top - robtex.com
acmicpc.top
top
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.zdnscloud.com ⭐ | ||||||
| NS | a.zdnscloud.cn | ||||||
| NS | b.zdnscloud.cn | ||||||
| NS | c.zdnscloud.com | ||||||
| NS | d.zdnscloud.com | ||||||
| NS | f.zdnscloud.cn | ||||||
| NS | g.zdnscloud.com | ||||||
| NS | i.zdnscloud.cn | ||||||
| NS | j.zdnscloud.com | ||||||
| TXT | 2026-02-17_04:40:01 | ||||||
| SOA | a.zdnscloud.comtd_dns_gtld@knet.cn serial=1395051087 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSdns19.hichina.com2026-02-25 → 2026-02-25 · 2 obs
● 2026-02-25 21:25:54
●NSdns20.hichina.com2026-02-25 → 2026-02-25 · 2 obs
● 2026-02-25 21:25:54
●A185.199.111.1532026-02-25 → 2026-02-25 · 2 obs
● 2026-02-25 21:25:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| acmicpc.top | dns19.hichina.com, dns20.hichina.com | - |
✅ Authoritative Response
Server: 39.96.153.60
NS records: dns19.hichina.com, dns20.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for acmicpc.top (unsigned zone)
⏱️ Timing
Total: 593ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.199.111.153 |
| NS | 2 | dns20.hichina.com, dns19.hichina.com |
| SOA | 1 | dns19.hichina.com hostmaster.hichina.com |
AI analysis
acmicpc.top points to a single IP number: 185.199.111.153.
other host names for instance odarriba.github.io, 0hh1.com, privacyapp-meta.github.io, aayushg.com and outsidetheobvious.com share IP numbers with acmicpc.top.
acmicpc.top is delegated to two name servers: dns19.hichina.com and dns20.hichina.com.
acmicpc.top shares the same name server setup as other domains, for example 16city.com, moreinx.com, cninbn.com, bysbj.com and 30sky.com.
acmicpc.top at least partially shares its name servers with other domains, for instance moondream.cn.
Host names with nine IP numbers:
dns19.hichina.com points to: 2408:4009:501::27, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.
dns20.hichina.com points to: 2408:4009:501::28, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.