cmasters.cn - robtex.com
cmasters.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.232.112.221🇮🇳 AKAMAI-LINODE-AP172.232.96.0/19 Akamai Technologies | ||||||
| PTR | 172-232-112-221.ip.linodeusercontent.com | ||||||
| NS | dns7.expirenotification.com ⚠️ Not in zone NS records | ||||||
| A | 123.58.214.101🇭🇰 UCLOUD-1123.58.214.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
| NS | dns8.expirenotification.com ⚠️ Not in zone NS records | ||||||
| A | 123.58.214.101🇭🇰 UCLOUD-1123.58.214.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034546407 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSdns7.expirenotification.com2026-03-18 → 2026-03-23 · 2 obs
● 2026-03-23 15:47:46
●NSdns8.expirenotification.com2026-03-18 → 2026-03-23 · 2 obs
● 2026-03-23 15:47:46
●A172.232.112.2212026-03-18 → 2026-03-23 · 2 obs
● 2026-03-23 15:47:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| cmasters.cn | dns7.expirenotification.com, dns8.expirenotification.com | - |
✅ Authoritative Response
Server:123.58.214.101
NS records: dns7.expirenotification.com, dns8.expirenotification.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cmasters.cn (unsigned zone)
⏱️ Timing
Total: 1335ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.232.112.221 |
Analysis
IP Addresses
cmasters.cn points to a single IP number: 172.232.112.221.
other host names for instance jbcfdj.cn, jaxcyp.com, harting-shop.cn, dtap.cn and www.jizuchina.com share IP numbers with cmasters.cn.
Name Servers
cmasters.cn is delegated to two name servers: dns7.expirenotification.com and dns8.expirenotification.com.
cmasters.cn shares the same name server setup as other domains, for example yiboedu.cn, supernetworks.cn, talkgg.cn, sdaksoft.cn and smxh168.com.cn.
Host names with a single IP number:
dns7.expirenotification.com points to 123.58.214.101 and dns8.expirenotification.com points to 123.58.214.101.
Host names that point to 123.58.214.101: dns7.expirenotification.com and dns8.expirenotification.com.