csdn-inc.com - robtex.com
csdn-inc.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=1774585952 | ||||||
Subdomains
mail.csdn-inc.com |
Same first word
DNS History
3 records (3 active, 0 former)
●NSf1g1ns1.dnspod.net2015-08-11 → 2026-03-27 · 2 obs
● 2026-03-27 04:34:02
●NSf1g1ns2.dnspod.net2015-08-11 → 2026-03-27 · 2 obs
● 2026-03-27 04:34:02
●MXmail.csdn-inc.com2015-08-11 → 2026-03-27 · 2 obs
● 2026-03-27 04:34:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net... | - |
| csdn-inc.com | f1g1ns1.dnspod.net, f1g1ns2.dnspod.net | - |
✅ Authoritative Response
Server:2402:4e00:1470:2::e
NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csdn-inc.com (unsigned zone)
⏱️ Timing
Total: 2900ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | f1g1ns2.dnspod.net, f1g1ns1.dnspod.net |
| MX | 1 | mail.csdn-inc.com (pri: 10) |
| SOA | 1 | f1g1ns1.dnspod.net freednsadmin.dnspod.c |
Analysis
Hierarchy
csdn-inc.com is a parent of mail.csdn-inc.com.
Name Servers
Delegation for csdn-inc.com rests with two name servers, f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.
csdn-inc.com shares the same name server setup as other domains, including tefcw.com, 163yybdf.com, pszg.com, mugeda.cn and juzhaopin.com.
csdn-inc.com at least partially shares name servers with other domains, for instance foyours.com, d44b4.cfd, reservations-checkinstayinfo.com, hymw.net and k8lu8.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
csdn-inc.com is handled by a single mail server, mail.csdn-inc.com.
mail.csdn-inc.com points to a single IP: 211.103.135.163.