achc.com.cn - robtex.com
achc.com.cn
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=2030565786 | ||||||
Subdomains
Same first word
achc.ca |
achc.de |
achc.nl |
achc.us |
achc.org |
achc.com.au |
achc.com |
achc.com.cn |
achc.ru |
achc.care |
achc.biz |
achc.org.uk |
achc.org.co |
achc.co |
achc.net |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.cnolnic.net2015-08-07 → 2026-05-13 · 2 obs
● 2026-05-13 11:32:56
●NSns2.cnolnic.net2015-08-07 → 2026-05-13 · 2 obs
● 2026-05-13 11:32:56
●MXmail1.achc.com.cn2015-08-07 → 2026-05-13 · 2 obs
● 2026-05-13 11:32:56
●MXmail2.achc.com.cn2015-08-07 → 2026-05-13 · 2 obs
● 2026-05-13 11:32:56
●MXmail3.achc.com.cn2015-08-07 → 2026-05-13 · 2 obs
● 2026-05-13 11:32:56
●MXmail4.achc.com.cn2026-04-20 → 2026-05-13 · 3 obs
● 2026-04-20 08:15:42
● 2026-05-13 11:32:56
●A218.65.6.452026-04-20 → 2026-05-13 · 2 obs
● 2026-05-13 11:32:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| achc.com.cn | ns1.cnolnic.net, ns2.cnolnic.net | - |
✅ Authoritative Response
Server:106.12.41.177
NS records: ns1.cnolnic.net, ns2.cnolnic.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for achc.com.cn (unsigned zone)
⏱️ Timing
Total: 1723ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 218.65.6.45 |
| NS | 2 | ns2.cnolnic.net, ns1.cnolnic.net |
| MX | 4 | mail2.achc.com.cn (pri: 30), mail4.achc.com.cn (pri: 50)... |
| TXT | 2 | v=spf1 a mx ip4:218.65.6.35/32 ip4:119.9, cwjjjmpdrth01wfhg2x5cn1qnlblvsvd |
| SOA | 1 | ns1.cnolnic.net root.cnolnic.net |
Analysis
Hierarchy
achc.com.cn is a parent of mail4.achc.com.cn, mail2.achc.com.cn, mail1.achc.com.cn and mail3.achc.com.cn.
IP Addresses
achc.com.cn points to IP number: 218.65.6.45.
Name Servers
achc.com.cn is delegated to two name servers: ns1.cnolnic.net and ns2.cnolnic.net.
achc.com.cn shares the same name server setup as nimbus.school, geshini.com, chinashow1.com, regarchem.com and lztl.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
Four mail servers handle achc.com.cn: mail1.achc.com.cn, mail2.achc.com.cn, mail3.achc.com.cn and mail4.achc.com.cn.
Host names with one IP number:
mail1.achc.com.cn points to 218.65.6.35.
mail2.achc.com.cn points to 111.4.134.85.
mail3.achc.com.cn points to 110.185.168.180.
mail4.achc.com.cn points to 218.65.6.34.