expl.cn - robtex.com
expl.cn
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | ns.expl.cn โ ๏ธ Not in zone NS records | ||||||
| MX | mxbiz1.qq.com โญ | ||||||
| A | 203.205.147.218๐ญ๐ฐ TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object | ||||||
| A | 203.205.232.191๐ญ๐ฐ TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| A | 203.205.232.191๐ญ๐ฐ TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all
v=DMARC1; p=none; rua=mailto:mailauth-re... | ||||||
cn
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | a.dns.cn โญ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net โ ๏ธ 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)
โNSns.expl.cn2026-02-28 โ 2026-03-23 ยท 2 obs
โ 2026-03-23 01:18:04
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| expl.cn | ns.expl.cn | 1 record |
โ Authoritative Response
Server:222.240.16.113
NS records: ns.expl.cn
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for expl.cn (unsigned zone)
โฑ๏ธ Timing
Total: 4539ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all
v=D |
๐ Glue Records Collected
Total: 1
In-bailiwick: 1 (ns.expl.cn)
Analysis
Name Servers
expl.cn is delegated to a single name server, ns.expl.cn.
Mail Servers
expl.cn is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
expl.cn has the same mail server setup as other domains, including tuyile.net, 91cpj.com, finantax.cn, aiqisheng.com and sh-toprun.com.
expl.cn shares some mail servers with other domains, at least partially, such as gdhyhc.com, bambooflute.cn, dkjz.cn, sunofbeaches.com and 05966988.com.
Host names with two IPs:
mxbiz1.qq.com points to: 203.205.147.218 and 203.205.232.191.
Host names with a single IP:
mxbiz2.qq.com points to: 203.205.232.191.
Names resolving to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.