ybckids.cn - robtex.com
ybckids.cn
| CNAME | tutor-ng.yuanfudao.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.88.89.93🇺🇸 Alibaba-Cloud47.88.64.0/18 Alibaba Cloud | ||||||
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 serial=2034788065 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSredbud.dnspod.net2026-02-27 → 2026-05-13 · 2 obs
● 2026-02-27 13:53:22
● 2026-05-13 17:06:22
● 2026-05-13 17:06:22
●NSrosewood.dnspod.net2026-02-27 → 2026-05-13 · 2 obs
● 2026-02-27 13:53:22
● 2026-05-13 17:06:22
● 2026-05-13 17:06:22
●CNAMEtutor-ng.yuanfudao.com2026-02-27 → 2026-05-13 · 2 obs
● 2026-02-27 13:53:22
● 2026-05-13 17:06:22
● 2026-05-13 17:06:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ybckids.cn | redbud.dnspod.net, rosewood.dnspod.net | - |
✅ Authoritative Response
Server:111.13.13.35
NS records: redbud.dnspod.net, rosewood.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ybckids.cn (unsigned zone)
⏱️ Timing
Total: 3213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | rosewood.dnspod.net, redbud.dnspod.net |
| CNAME | 1 | tutor-ng.yuanfudao.com |
| SOA | 1 | rosewood.dnspod.net freednsadmin.dnspod. |
Analysis
IP Addresses
ybckids.cn points to a single IP address: 47.88.89.93.
Other host names, such as www.yuanfudao.com and tutor-ng.yuanfudao.com, share IP numbers with ybckids.cn.