51csharp.com - robtex.com
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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=1771291435 | ||||||
Up
www.51csharp.com |
Same first word
51csharp.com |
DNS History
9 records (5 active, 4 former)
●NSf1g1ns1.dnspod.net2015-04-28 → 2026-02-18 · 2 obs
● 2026-02-18 02:55:14
●NSf1g1ns2.dnspod.net2015-04-28 → 2026-02-18 · 2 obs
● 2026-02-18 02:55:14
○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
○ 2026-02-18 02:55:14
○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
○ 2026-02-18 02:55:14
●A47.104.84.912026-02-18 → 2026-02-18 · 3 obs
● 2026-02-18 02:55:12
● 2026-02-18 02:55:14
○A49.51.10.1922017-03-22 → 2017-03-22 · 4 obs
● 2017-03-22 19:04:02
○ 2026-02-18 02:55:12
○ 2026-02-18 02:55:14
○CNAMEdnspod-free.mydnspod.net2015-04-28 → 2017-03-22 · 4 obs
● 2017-03-22 19:04:02
○ 2026-02-18 02:55:12
○ 2026-02-18 02:55:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51csharp.com | f1g1ns1.dnspod.net, f1g1ns2.dnspod.net | - |
✅ Authoritative Response
Server: 1.14.119.35
NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51csharp.com (unsigned zone)
⏱️ Timing
Total: 717ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.104.84.91 |
| 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 |
AI analysis
51csharp.com is the parent of www.51csharp.com.
51csharp.com points to a single IP number: 47.104.84.91.
Other host names, for instance www.51csharp.com, share IP numbers with 51csharp.com.
51csharp.com is delegated to two name servers: f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.
51csharp.com shares the same name server setup as other domains, for example qdacc.com, naohe.com, mvuk.cn, kadingkarting.com and toogl.net.
51csharp.com partially shares name servers with other domains, for instance ippahk.org, ppusnx07.icu and samwha-dsp.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.
51csharp.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
51csharp.com shares the same mail server setup as other domains, for instance kingbell.com, szdtx.cn, jzzp.com, hdcsti.com and skumper.com.
51csharp.com shares at least partially some mail servers with other domains, for instance titanpowerus.com, apdplat.org and xxiiaanngg.com.
Host names with two IP numbers:
mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.
Host names with one IP number:
mxbiz2.qq.com points to 203.205.232.191.
Names pointing to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.