51csharp.com - dns.ninja
51csharp.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=1784039227 | ||||||
Subdomains
www.51csharp.com |
Same first word
51csharp.com |
DNS History
9 records (5 active, 4 former)
●NSf1g1ns1.dnspod.net2015-04-28 → 2026-07-14 · 2 obs
● 2026-07-14 14:47:34
●NSf1g1ns2.dnspod.net2015-04-28 → 2026-07-14 · 2 obs
● 2026-07-14 14:47:34
○A119.28.48.2282015-12-18 → 2016-03-07 · 5 obs
● 2015-12-18 08:45:58
● 2016-03-07 07:43:52
○ 2016-07-12 21:51:48
○ 2026-07-14 14:47:34
○A119.28.48.2292015-04-28 → 2016-07-12 · 7 obs
● 2015-10-14 03:38:32
○ 2015-12-18 08:45:58
○ 2016-03-07 07:43:52
● 2016-07-12 21:51:48
○ 2017-03-22 19:04:02
○ 2026-07-14 14:47:34
●A47.104.84.912026-02-18 → 2026-07-14 · 3 obs
● 2026-02-18 02:55:12
● 2026-07-14 14:47:34
○A49.51.10.1922017-03-22 → 2017-03-22 · 4 obs
● 2017-03-22 19:04:02
○ 2026-02-18 02:55:12
○ 2026-07-14 14:47:34
○CNAMEdnspod-free.mydnspod.net2015-04-28 → 2017-03-22 · 4 obs
● 2017-03-22 19:04:02
○ 2026-02-18 02:55:12
○ 2026-07-14 14:47:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 51csharp.com | f1g1ns1.dnspod.net, f1g1ns2.dnspod.net | - |
✅ Authoritative Response
Server:106.39.207.235
NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51csharp.com (unsigned zone)
⏱️ Timing
Total: 4444ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.104.84.91 |
| NS | 2 | f1g1ns2.dnspod.net, f1g1ns1.dnspod.net |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | f1g1ns1.dnspod.net freednsadmin.dnspod.c |
Analysis
Hierarchy
The domain www.51csharp.com falls under the parent 51csharp.com.
IP Addresses
51csharp.com resolves to one IP address: 47.104.84.91.
Host names like www.51csharp.com are further examples that share IP numbers with 51csharp.com.
Name Servers
Two name servers handle the delegation for 51csharp.com: f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.
51csharp.com uses the same name servers as several other domains — among them qdacc.com, leinn.com, lizhi798.com and two more.
At least some of 51csharp.com's name servers are shared with other domains, for example qqhuisbx21.icu, bot02bx.cfd, sxbj.info and two more.
It is common for these name servers to be used in conjunction with the name servers a.dnspod.com, c.dnspod.com and b.dnspod.com.
Hostnames that resolve to 8 IP addresses:
f1g1ns2.dnspod.net resolves to 1.12.0.1, 1.13.76.35 and 36.155.149.35 among others, with 5 other IP addresses in total.
Hostnames that resolve to 7 IP addresses:
f1g1ns1.dnspod.net resolves to 1.12.0.4, 1.14.119.35 and 111.13.13.35 among others, with 4 other IP addresses in total.
Mail Servers
Mail for 51csharp.com is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.
51csharp.com uses an identical mail server configuration to several other domains — among them tycorunenergy.com, szdtx.cn, jzzp.com and two more.
51csharp.com has at least partial mail server overlap with other domains such as 28yy.cn, titanpowerus.com, jfdjge.com and two more.