expl.cn - robtex.com

expl.cn

DNSSECโš ๏ธ Not signed
NSns.expl.cn โš ๏ธ Not in zone NS records
MXmxbiz1.qq.com โญ
A203.205.147.218๐Ÿ‡ญ๐Ÿ‡ฐ TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object
A203.205.232.191๐Ÿ‡ญ๐Ÿ‡ฐ TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
MXmxbiz2.qq.com(10)
A203.205.232.191๐Ÿ‡ญ๐Ÿ‡ฐ TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
TXTv=spf1 include:spf.mail.qq.com ~all v=DMARC1; p=none; rua=mailto:mailauth-re...

cn

DNSSECโš ๏ธ Not signed
NSa.dns.cn โญ
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net โš ๏ธ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034546407

Same first word

Similar names

DNS History

3 records (3 active, 0 former)

NSns.expl.cnMXmxbiz1.qq.commxbiz2.qq.com
โ—NSns.expl.cn2026-02-28 โ†’ 2026-03-23 ยท 2 obs
โ— 2026-02-28 04:14:52
โ— 2026-03-23 01:18:04
โ—MXmxbiz1.qq.com2026-02-28 โ†’ 2026-03-23 ยท 4 obs
โ— 2026-02-28 04:14:52
โ—‹ 2026-02-28 10:52:04
โ— 2026-03-20 15:18:16
โ— 2026-03-23 01:18:04
โ—MXmxbiz2.qq.com2026-02-28 โ†’ 2026-03-23 ยท 4 obs
โ— 2026-02-28 04:14:52
โ—‹ 2026-02-28 10:52:04
โ— 2026-03-20 15:18:16
โ— 2026-03-23 01:18:04

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
expl.cnns.expl.cn1 record

โœ… Authoritative Response

Server:222.240.16.113

NS records: ns.expl.cn

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for expl.cn (unsigned zone)

โฑ๏ธ Timing

Total: 4539ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
MX2mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)
TXT1v=spf1 include:spf.mail.qq.com ~all v=D

๐Ÿ“Œ 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.