yfdurl13.com - robtex.com
yfdurl13.com
| CNAME | yfdurl.com | ||||||
| CNAME | www.yuanfudao.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.88.89.93🇺🇸 Alibaba-Cloud47.88.64.0/18 Alibaba Cloud | ||||||
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=1778402776 | ||||||
Same first word
yfdurl13.com |
DNS History
3 records (3 active, 0 former)
●NSdns17.hichina.com2019-12-14 → 2026-05-10 · 2 obs
● 2019-12-14 03:09:50
● 2026-05-10 09:10:18
● 2026-05-10 09:10:18
●NSdns18.hichina.com2019-12-14 → 2026-05-10 · 2 obs
● 2019-12-14 03:09:50
● 2026-05-10 09:10:18
● 2026-05-10 09:10:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| yfdurl13.com | dns17.hichina.com, dns18.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yfdurl13.com (unsigned zone)
⏱️ Timing
Total: 480ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns18.hichina.com, dns17.hichina.com |
| CNAME | 1 | yfdurl.com |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)
Analysis
IP Addresses
yfdurl13.com resolves to one IP number: 47.88.89.93.
Other host names such as www.yuanfudao.com and tutor-ng.yuanfudao.com share IP numbers with yfdurl13.com.