163u.com - robtex.com
163u.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 | ||||||
Subdomains
www.163u.com |
Same first word
163u.com |
Similar names
DNS History
12 records (5 active, 7 former)
○NSdns1.iidns.com2015-08-21 → 2017-03-21 · 4 obs
● 2017-03-21 21:41:44
○ 2020-02-21 00:45:28
○ 2026-03-22 21:10:42
○NSdns2.iidns.com2015-08-21 → 2015-12-20 · 4 obs
● 2015-12-20 09:42:28
○ 2017-03-21 21:41:44
○ 2026-03-22 21:10:42
○NSdns3.iidns.com2015-08-21 → 2015-12-20 · 4 obs
● 2015-12-20 09:42:28
○ 2017-03-21 21:41:44
○ 2026-03-22 21:10:42
○NSdns4.iidns.com2015-08-21 → 2015-12-20 · 4 obs
● 2015-12-20 09:42:28
○ 2017-03-21 21:41:44
○ 2026-03-22 21:10:42
○NSdns5.iidns.com2015-08-21 → 2015-12-20 · 4 obs
● 2015-12-20 09:42:28
○ 2017-03-21 21:41:44
○ 2026-03-22 21:10:42
○NSdns6.iidns.com2015-08-21 → 2015-12-20 · 4 obs
● 2015-12-20 09:42:28
○ 2017-03-21 21:41:44
○ 2026-03-22 21:10:42
●NSf1g1ns1.dnspod.net2020-02-21 → 2026-03-22 · 3 obs
● 2020-02-21 00:45:28
● 2026-03-22 21:10:42
●NSf1g1ns2.dnspod.net2020-02-21 → 2026-03-22 · 3 obs
● 2020-02-21 00:45:28
● 2026-03-22 21:10:42
○A211.149.144.422015-08-21 → 2016-03-18 · 4 obs
● 2016-03-18 16:15:28
○ 2020-02-21 00:45:28
○ 2026-03-22 21:10:42
●A47.243.180.82026-03-22 → 2026-03-22 · 3 obs
● 2026-03-22 12:49:28
● 2026-03-22 21:10:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net... | - |
| 163u.com | f1g1ns1.dnspod.net, f1g1ns2.dnspod.net | - |
✅ Authoritative Response
Server: 111.13.13.35
NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 163u.com (unsigned zone)
⏱️ Timing
Total: 1202ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.243.180.8 |
| 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
163u.com is parent of www.163u.com.
IP Addresses
163u.com points to a single IP: 47.243.180.8.
Other host names such as www.163u.com and 57256.com share IP numbers with 163u.com.
Name Servers
163u.com's delegation is to two name servers f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.
163u.com shares the same name server configuration as other domains, such as fresh365.net, hbyaa.com, runyangstone.com, wsmsw.org and rui-de.com.
163u.com at least partially shares its name servers with other domains, for instance xinxuanbest.com, xdbhwq.com, skfuture.net, 18817.com and ssjo4.icu.
these name servers are commonly used with the name servers a.dnspod.com, b.dnspod.com, c.dnspod.com, ns1.alidns.com and ns2.alidns.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
Two mail servers mxbiz1.qq.com and mxbiz2.qq.com handle 163u.com.
163u.com uses the same mail server setup as other domains such as 400crm.cn, meifei.com, opiz.net.cn, xwim.com and 3pe.com.
163u.com shares some mail servers with other domains, including saidao.cc, calatopia.com, abcdiaocha.com, livuchat.com and 315online.com.cn.
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.
Host names that point to 203.205.232.191: