yzdw.com.cn - robtex.com
yzdw.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 218.75.54.68🇨🇳 CHINANET-BACKBONE218.75.0.0/17 PNAP-SEA usei | ||||||
| NS | ns1.cnolnic.net ⭐ | ||||||
| A | 240c:4082:0:5d80::2🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 106.13.136.254🇨🇳 Baidu106.13.128.0/19 AS38365 | ||||||
| A | 182.61.7.97🇨🇳 Baidu182.61.0.0/19 | ||||||
| NS | ns2.cnolnic.net | ||||||
| A | 240c:4081:8000:1702::3🇨🇳 Baidu240c:4081::/32 | ||||||
| A | 106.12.41.177🇨🇳 Baidu106.12.32.0/19 | ||||||
| A | 180.76.132.69🇨🇳 Baidu180.76.128.0/19 | ||||||
| MX | mail.yzdw.com.cn ⭐ | ||||||
| A | 218.75.54.68🇨🇳 CHINANET-BACKBONE218.75.0.0/17 PNAP-SEA usei | ||||||
| SOA | ns1.cnolnic.netroot@cnolnic.net 2006-11-24 #1 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030568566 | ||||||
Subdomains
mail.yzdw.com.cn |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.cnolnic.net2015-07-25 → 2026-05-14 · 2 obs
● 2026-05-14 19:16:44
●NSns2.cnolnic.net2015-07-25 → 2026-05-14 · 2 obs
● 2026-05-14 19:16:44
●MXmail.yzdw.com.cn2015-07-25 → 2026-05-14 · 2 obs
● 2026-05-14 19:16:44
●A218.75.54.682015-07-25 → 2026-05-14 · 2 obs
● 2026-05-14 19:16:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| yzdw.com.cn | ns1.cnolnic.net, ns2.cnolnic.net | - |
✅ Authoritative Response
Server:182.61.7.97
NS records: ns1.cnolnic.net, ns2.cnolnic.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yzdw.com.cn (unsigned zone)
⏱️ Timing
Total: 2084ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 218.75.54.68 |
| NS | 2 | ns1.cnolnic.net, ns2.cnolnic.net |
| MX | 1 | mail.yzdw.com.cn (pri: 10) |
| SOA | 1 | ns1.cnolnic.net root.cnolnic.net |
Analysis
Hierarchy
The parent of mail.yzdw.com.cn is yzdw.com.cn.
IP Addresses
yzdw.com.cn points to a single IP: 218.75.54.68.
Other host names, such as mail.yzdw.com.cn, share IP numbers with yzdw.com.cn.
Name Servers
Two name servers ns1.cnolnic.net and ns2.cnolnic.net handle delegation for yzdw.com.cn.
yzdw.com.cn uses the same name server setup as other domains, for example ujhu.cn, fullwin.net, intwo.com.cn, dcgk.com and xn--mnqp1i5tc57y.com.
Host names with three IP numbers:
ns1.cnolnic.net points to 240c:4082:0:5d80::2, 106.13.136.254 and 182.61.7.97.
ns2.cnolnic.net points to 240c:4081:8000:1702::3, 106.12.41.177 and 180.76.132.69.
Mail Servers
yzdw.com.cn is handled by a single mail server, mail.yzdw.com.cn.
mail.yzdw.com.cn points to a single IP: 218.75.54.68.