u81.cn - robtex.com

u81.cn

DNSSEC⚠️ Not signed
A106.14.181.223🇨🇳 Alibaba-Cloud106.14.0.0/16 Alibaba (US) Technology Co., Ltd.
NSf1g1ns1.dnspod.net ⭐
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A1.14.119.35🇨🇳 TENCENT-NET-AP1.14.64.0/18
A111.13.13.35🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)
A117.135.128.235🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)
PTR(root)
A125.94.59.235🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
A163.177.5.35🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
NSf1g1ns2.dnspod.net
A2402:4e00:111:fff::c🇨🇳 TENCENT-NET-AP2402:4e00::/35
A1.12.0.1🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A1.13.76.35🇨🇳 TENCENT-NET-AP1.13.64.0/18
A36.155.149.35🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A101.227.168.35🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC
A106.39.207.235🇨🇳 CHINA-1106.39.192.0/19 China Telecom Beijing Co. Ltd.
A111.206.98.235🇨🇳 CHINA169-BJ111.206.98.0/24
A220.196.136.35🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24
MXmxn.mxhichina.com ⭐
A47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
PTRcz-clare.com
PTRreachsmartdwell.com
PTRwevolt.tech
A47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
MXmxw.mxhichina.com(10)
A47.246.99.195🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object
PTRreachsmartdwell.com
SOAf1g1ns1.dnspod.netfreednsadmin@dnspod.com serial=1544699394

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034776469

Subdomains

www.u81.cn

Same first word

u81.cn
u81.net
u81.de

Similar names

18u.org.uk
81u.casino
u18.dk
u18.com
u18.de
8u1.cn
18u.cn
18u.com
1u8.net
u18.org
u18.ru
u18.net
u18.me
81u.com
8u1.com
18u.com.cn
u18.in
1u8.cn
1u8.com
18u.de
18u.co
u18.pl
81u.net
18u.pl
u18.eu
81u.ru

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSf1g1ns1.dnspod.netf1g1ns2.dnspod.netdns1.iidns.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comMXmxn.mxhichina.commxw.mxhichina.comA106.14.181.223CNAMEwww.u81.cn
○NSdns1.iidns.com2015-08-10 → 2017-01-03 · 4 obs
● 2015-08-10 14:13:26
● 2017-01-03 20:39:34
○ 2021-04-08 12:59:18
○ 2026-05-11 01:36:50
○NSdns2.iidns.com2015-08-10 → 2017-01-03 · 4 obs
● 2015-08-10 14:13:26
● 2017-01-03 20:39:34
○ 2021-04-08 12:59:18
○ 2026-05-11 01:36:50
○NSdns3.iidns.com2015-08-10 → 2017-01-03 · 4 obs
● 2015-08-10 14:13:26
● 2017-01-03 20:39:34
○ 2021-04-08 12:59:18
○ 2026-05-11 01:36:50
○NSdns4.iidns.com2015-08-10 → 2017-01-03 · 4 obs
● 2015-08-10 14:13:26
● 2017-01-03 20:39:34
○ 2021-04-08 12:59:18
○ 2026-05-11 01:36:50
○NSdns5.iidns.com2015-08-10 → 2017-01-03 · 4 obs
● 2015-08-10 14:13:26
● 2017-01-03 20:39:34
○ 2021-04-08 12:59:18
○ 2026-05-11 01:36:50
○NSdns6.iidns.com2015-08-10 → 2017-01-03 · 4 obs
● 2015-08-10 14:13:26
● 2017-01-03 20:39:34
○ 2021-04-08 12:59:18
○ 2026-05-11 01:36:50
●NSf1g1ns1.dnspod.net2021-04-08 → 2026-05-11 · 3 obs
○ 2017-01-03 20:39:34
● 2021-04-08 12:59:18
● 2026-05-11 01:36:50
●NSf1g1ns2.dnspod.net2021-04-08 → 2026-05-11 · 3 obs
○ 2017-01-03 20:39:34
● 2021-04-08 12:59:18
● 2026-05-11 01:36:50
●MXmxn.mxhichina.com2021-04-08 → 2026-05-11 · 2 obs
● 2021-04-08 12:59:18
● 2026-05-11 01:36:50
●MXmxw.mxhichina.com2021-04-08 → 2026-05-11 · 2 obs
● 2021-04-08 12:59:18
● 2026-05-11 01:36:50
●A106.14.181.2232021-04-08 → 2026-05-11 · 2 obs
● 2021-04-08 12:59:18
● 2026-05-11 01:36:50
○CNAMEwww.u81.cn2015-08-10 → 2017-01-04 · 7 obs
● 2015-08-10 14:13:26
● 2016-03-18 08:23:50
○ 2016-07-13 13:12:46
○ 2017-01-04 01:22:54
● 2017-01-04 05:35:52
○ 2021-04-08 12:59:18
○ 2026-05-11 01:36:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
u81.cnf1g1ns1.dnspod.net, f1g1ns2.dnspod.net-

✅ Authoritative Response

Server:111.206.98.235

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u81.cn (unsigned zone)

⏱️ Timing

Total: 4389ms | Queries: -

📄 Records

TypeCountSample Data
A1106.14.181.223
NS2f1g1ns2.dnspod.net, f1g1ns1.dnspod.net
MX2mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)
SOA1f1g1ns1.dnspod.net freednsadmin.dnspod.c

Analysis

Hierarchy

The parent of www.u81.cn is u81.cn.

IP Addresses

u81.cn points to a single IP: 106.14.181.223.

Other host names, such as www.u81.cn, share IP numbers with u81.cn.

Name Servers

Two name servers f1g1ns1.dnspod.net and f1g1ns2.dnspod.net handle delegation for u81.cn.

u81.cn uses the same name server setup as other domains, for example babystory365.com, hwmcu.com, minggo.cn, youcai711.com and angsh.com.

u81.cn partially shares name servers with other domains; examples include eennuhx22.icu, wyas8.icu, nishdjsdcs26.icu, 515bd.com and shuochu.com.

These name servers are commonly used with a.dnspod.com, b.dnspod.com and c.dnspod.com.

Hosts 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.

Hosts 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

u81.cn is handled by two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.

u81.cn has the same mail server setup as other domains, including mebxg.com, dgtemei.com, gotunai.com, bailixia.com and catlitter.cn.

u81.cn shares some mail servers with other domains, at least partially, such as chinagreenbio-cq.com, ddwj.com.cn, flowerwords.com, hanfenginc.cn and eff-soft.com.

these mail servers are often used alongside mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

Host names with two IP numbers:

The host name mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.

Host names with one IP number:

The host name mxw.mxhichina.com points to 47.246.99.195.