codevs.cn - robtex.com
codevs.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=2034772641 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSf1g1ns1.dnspod.net2015-07-11 → 2026-05-10 · 2 obs
● 2026-05-10 01:02:16
●NSf1g1ns2.dnspod.net2015-07-11 → 2026-05-10 · 2 obs
● 2026-05-10 01:02:16
●A121.40.156.802015-07-11 → 2026-05-10 · 2 obs
● 2026-05-10 01:02:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| codevs.cn | f1g1ns1.dnspod.net, f1g1ns2.dnspod.net | - |
✅ Authoritative Response
Server:1.13.76.35
NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codevs.cn (unsigned zone)
⏱️ Timing
Total: 1335ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.40.156.80 |
| NS | 2 | f1g1ns1.dnspod.net, f1g1ns2.dnspod.net |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | f1g1ns1.dnspod.net freednsadmin.dnspod.c |
Analysis
IP Addresses
codevs.cn points to a single IP number: 121.40.156.80.
Name Servers
Delegation for codevs.cn rests with two name servers, f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.
codevs.cn shares the same name server setup as other domains, including duao.net, lujun.info, glyjk.com, yifeimeiye.com and xzjunhuai.com.
codevs.cn at least partially shares name servers with other domains, for instance caltech.mobi, glevont.com, jdbjsncsfd16.icu, u148b.icu and 747d45582688.icu.
these name servers are commonly used with a.dnspod.com, c.dnspod.com and b.dnspod.com.
Host names with eight IP numbers:
f1g1ns2.dnspod.net points to: 2402:4e00:111:fff::c, 1.12.0.1, 1.13.76.35, 36.155.149.35, 101.227.168.35, 106.39.207.235, 111.206.98.235 and 220.196.136.35.
Host names with seven IP numbers:
f1g1ns1.dnspod.net points to: 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 117.135.128.235, 125.94.59.235 and 163.177.5.35.
Mail Servers
codevs.cn is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
codevs.cn uses the same mail server configuration as other domains, such as windoent.com, ceitcl.com, keyiyun.cn, 3frd.com and jpems.com.
codevs.cn shares at least some mail servers with other domains, for instance nioo.cn, cmway.net, ihome.cn and jp.vin.