30code.com - robtex.com
30code.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778351221 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns11.xincache.com2016-12-31 → 2026-05-09 · 2 obs
● 2026-05-09 18:40:12
●NSns12.xincache.com2016-12-31 → 2026-05-09 · 2 obs
● 2026-05-09 18:40:12
●MXmx1.feishu.cn2026-02-19 → 2026-05-09 · 3 obs
● 2026-02-19 21:42:18
● 2026-05-09 18:40:12
●MXmx2.feishu.cn2026-02-19 → 2026-05-09 · 3 obs
● 2026-02-19 21:42:18
● 2026-05-09 18:40:12
●MXmx3.feishu.cn2026-02-19 → 2026-05-09 · 3 obs
● 2026-02-19 21:42:18
● 2026-05-09 18:40:12
○MXmxbiz1.qq.com2016-12-31 → 2016-12-31 · 3 obs
○ 2026-02-19 21:42:18
○ 2026-05-09 18:40:12
○MXmxbiz2.qq.com2016-12-31 → 2016-12-31 · 3 obs
○ 2026-02-19 21:42:18
○ 2026-05-09 18:40:12
○A113.105.139.432016-12-31 → 2016-12-31 · 3 obs
○ 2026-02-19 21:42:18
○ 2026-05-09 18:40:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 30code.com | ns11.xincache.com, ns12.xincache.com | 12 records |
✅ Authoritative Response
Server:1.12.0.4
NS records: ns11.xincache.com, ns12.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 30code.com (unsigned zone)
⏱️ Timing
Total: 271ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns12.xincache.com, ns11.xincache.com |
| MX | 3 | mx1.feishu.cn (pri: 1), mx2.feishu.cn (pri: 5)... |
| TXT | 2 | verification-code-site-App_feishu=wy7sTb, v=spf1 +include:_netblocks.m.feishu.cn - |
| SOA | 1 | ns11.xincache.com ns12.xincache.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)
Analysis
Name Servers
Two name servers ns11.xincache.com and ns12.xincache.com handle the delegation for 30code.com.
30code.com shares the same name server setup as other domains, for example sh-wall.com, dingdingdg.com, boxhh.com, gzhengyu.net and cszhenrong.com.
30code.com at least partially shares name servers with other domains, for example lxxsd.cn, tiantianlights.com, lhey.cn, eastpaper.cn and ddhj.cn.
these name servers are commonly used with the following name servers: ns13.xincache.com, ns14.xincache.com, ns19.xincache.com, ns20.xincache.com, ns17.xincache.com, ns18.xincache.com, ns15.xincache.com, ns16.xincache.com, ce1.xincache.com and ce2.xincache.com.
Host names with eight IP numbers:
ns11.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.
Host names with seven IP numbers:
ns12.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.
Mail Servers
30code.com is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.
30code.com shares at least partially some mail servers with other domains, for instance xiny.net, tyduanju.com, rfcinfo.com, anker.io and ijvr.shop.
Host names with three IP numbers: mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.
Host names with two IP numbers: mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.
Host names with one IP number: mx1.feishu.cn points to 52.220.106.220.
Host names pointing to 52.220.106.220: mx3.feishu.cn and mx1.feishu.cn.
Host names pointing to 101.126.58.225: mx3.feishu.cn and mx2.feishu.cn.
Host names pointing to 122.14.229.0: mx3.feishu.cn and mx2.feishu.cn.