51web.com - robtex.com
51web.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 182.140.244.16🇨🇳 CHINANET-SCIDC-AS-AP182.140.244.0/24 SICHUANIDC province network | ||||||
| NS | ns1.dnsinside.net ⭐ | ||||||
| A | 61.139.126.180🇨🇳 CHINANET-SCIDC-AS-AP61.139.126.0/24 CHINANET SiChuan Telecom Internet Data Center | ||||||
| NS | ns2.dnsinside.net | ||||||
| A | 182.140.142.54🇨🇳 CHINANET-SCIDC-AS-AP182.140.142.0/24 CHINANET SiChuan Telecom Internet Data Center | ||||||
| A | 182.140.244.18🇨🇳 CHINANET-SCIDC-AS-AP182.140.244.0/24 SICHUANIDC province network | ||||||
| MX | mail.51web.com ⭐ | ||||||
| A | 125.65.112.93🇨🇳 CHINANET-BACKBONE125.64.0.0/13 | ||||||
| PTR | 93.112.65.125.broad.ls.sc.dynamic.163data.com.cn | ||||||
| TXT | v=spf1 a a:mail.51web.com mx:mail.51web.com ipv4:125.65.112.93 ~all | ||||||
| SOA | ns1.dnsinside.nethostmaster@dnsinside.net serial=1083128429 | ||||||
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 | ||||||
Subdomains
Same first word
Similar names
web51.ru |
web51.com.es |
web51.pl |
web15.de |
web15.ru |
web51.com |
web15.cn |
web51.altervista.org |
web15.fr |
web51.de |
web51.net |
web15.com |
web15.xyz |
web15.be |
15web.com |
15web.ru |
DNS History
7 records (4 active, 3 former)
●NSns1.dnsinside.net2015-11-14 → 2026-03-08 · 5 obs
● 2018-12-12 03:34:38
○ 2018-12-17 03:17:08
● 2021-03-02 09:50:24
● 2026-03-08 06:51:24
●NSns2.dnsinside.net2015-11-14 → 2026-03-08 · 2 obs
● 2026-03-08 06:51:24
●MXmail.51web.com2015-08-11 → 2026-03-08 · 5 obs
● 2026-02-21 17:32:12
○ 2026-03-03 13:51:30
● 2026-03-08 06:51:22
● 2026-03-08 06:51:24
○A125.65.112.262016-01-29 → 2016-12-29 · 5 obs
● 2016-01-29 06:25:36
● 2016-12-29 13:55:04
○ 2018-12-12 03:34:38
○ 2026-03-08 06:51:24
○A125.65.46.1412015-08-11 → 2015-12-28 · 4 obs
● 2015-12-28 13:10:04
○ 2016-01-29 06:25:36
○ 2026-03-08 06:51:24
●A182.140.244.162021-03-02 → 2026-03-08 · 3 obs
● 2021-03-02 09:50:24
● 2026-03-08 06:51:24
○CNAMEcdn.51web.com2015-08-11 → 2018-12-17 · 7 obs
○ 2015-11-14 11:46:58
○ 2016-12-29 13:55:04
● 2018-12-12 03:34:38
● 2018-12-17 03:17:08
○ 2021-03-02 09:50:24
○ 2026-03-08 06:51:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net... | - |
| 51web.com | ns1.dnsinside.net, ns2.dnsinside.net | - |
✅ Authoritative Response
Server: 182.140.244.18
NS records: ns1.dnsinside.net, ns2.dnsinside.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51web.com (unsigned zone)
⏱️ Timing
Total: 4369ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 182.140.244.16 |
| NS | 2 | ns2.dnsinside.net, ns1.dnsinside.net |
| MX | 1 | mail.51web.com (pri: 10) |
| TXT | 1 | v=spf1 a a:mail.51web.com mx:mail.51web. |
| SOA | 1 | ns1.dnsinside.net hostmaster.dnsinside.n |
Analysis
Hierarchy
51web.com is a parent of agent.51web.com, client.51web.com, www.51web.com, conpanel.51web.com, mail.51web.com and several other host names.
IP Addresses
51web.com points to a single IP number: 182.140.244.16.
Other host names, for instance www.51web.com, share IP numbers with 51web.com.
Name Servers
Delegation for 51web.com rests with two name servers, ns1.dnsinside.net and ns2.dnsinside.net.
51web.com shares the same name server setup as other domains, including 223.254.103.in-addr.arpa, dnsinside.net, 51web.net, 51web.hk and scsjlx.com.
Host names with two IP numbers:
ns2.dnsinside.net points to 182.140.142.54 and 182.140.244.18.
Host names with one IP number:
ns1.dnsinside.net points to 61.139.126.180.
Mail Servers
51web.com is handled by a single mail server, mail.51web.com.
mail.51web.com points to a single IP: 125.65.112.93.