studyfun.cn - robtex.com
studyfun.cn
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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=2034671917 | ||||||
Subdomains
mx1.studyfun.cn |
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSjulian.dnspod.net2026-02-16 → 2026-04-15 · 3 obs
● 2026-02-16 23:44:48
● 2026-04-15 04:56:28
●NSlinen.dnspod.net2026-02-16 → 2026-04-15 · 3 obs
● 2026-02-16 23:44:48
● 2026-04-15 04:56:28
○NSns1.xyz.cn2020-04-05 → 2020-04-05 · 4 obs
● 2020-04-05 17:12:42
○ 2026-02-16 23:44:48
○ 2026-04-15 04:56:28
○NSns2.xyz.cn2020-04-05 → 2020-04-05 · 4 obs
● 2020-04-05 17:12:42
○ 2026-02-16 23:44:48
○ 2026-04-15 04:56:28
○NSns4.made-in-china.com2015-08-18 → 2017-03-23 · 5 obs
○ 2015-12-12 17:26:12
● 2017-03-23 18:19:18
○ 2020-04-05 17:12:42
○ 2026-04-15 04:56:28
○NSns5.made-in-china.com2015-08-18 → 2017-03-23 · 4 obs
● 2017-03-23 18:19:18
○ 2020-04-05 17:12:42
○ 2026-04-15 04:56:28
○NSns6.made-in-china.com2015-08-18 → 2017-03-23 · 4 obs
● 2017-03-23 18:19:18
○ 2020-04-05 17:12:42
○ 2026-04-15 04:56:28
○MXmail.studyfun.cn2015-08-18 → 2017-03-23 · 4 obs
● 2017-03-23 18:19:18
○ 2020-04-05 17:12:42
○ 2026-04-15 04:56:28
●MXmail13.made-in-china.com2020-04-05 → 2026-04-15 · 3 obs
● 2020-04-05 17:12:42
● 2026-04-15 04:56:28
●MXmx1.studyfun.cn2020-04-05 → 2026-04-15 · 3 obs
● 2020-04-05 17:12:42
● 2026-04-15 04:56:28
●A221.6.35.1162015-08-18 → 2026-04-15 · 2 obs
● 2026-04-15 04:56:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, e.dns.cn, d.dns.cn... | - |
| studyfun.cn | linen.dnspod.net, julian.dnspod.net | - |
✅ Authoritative Response
Server:111.13.13.35
NS records: linen.dnspod.net, julian.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyfun.cn (unsigned zone)
⏱️ Timing
Total: 1465ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.6.35.116 |
| NS | 2 | julian.dnspod.net, linen.dnspod.net |
| MX | 2 | mx1.studyfun.cn (pri: 10), mail13.made-in-china.com (pri: 15) |
| TXT | 1 | v=spf1 a mx ip4:221.6.35.101 ip4:218.104 |
| SOA | 1 | julian.dnspod.net freednsadmin.dnspod.co |
Analysis
Hierarchy
The parent of mx1.studyfun.cn is studyfun.cn.
IP Addresses
studyfun.cn points to a single IP number: 221.6.35.116.
Other host names, for instance wsfcdn.com, mail.leadongcdn.com and ldycdn.com share IP numbers with studyfun.cn.
Name Servers
studyfun.cn is delegated to two name servers: julian.dnspod.net and linen.dnspod.net.
studyfun.cn uses the same name server setup as other domains, for instance nmgsca.com, tcdnvod4.cn, zulp.cn, tencentmqtt.cn and tencentclb.work.
studyfun.cn shares name servers with other domains at least partially, for instance ns.gamlaxy.com.cn, 51qdy.cn, qymdb.cn, tencentdb.cn and txmdb.com.
these name servers are commonly used together with f1g1ns1.dnspod.net and ns1.gamlaxy.com.cn.
Host names with six IP numbers: julian.dnspod.net points to 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 112.80.181.45 and 117.89.178.173; linen.dnspod.net points to 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 101.227.168.35, 111.206.98.235 and 129.211.176.239.
Mail Servers
studyfun.cn is handled by two mail servers: mx1.studyfun.cn and mail13.made-in-china.com.
studyfun.cn shares some mail servers with other domains, including focusaim.com, made-in-china.com, meiawards.org, e.made-in-china.com and abiz.com.
these mail servers are commonly used with mail3.made-in-china.com, mail.focuschina.com, mx1.focuschina.com, mx1.e.made-in-china.com and mx1.abiz.com.
Host names with one IP number:
mx1.studyfun.cn points to: 221.6.35.101.
mail13.made-in-china.com points to: 222.190.108.198.