`w51399.com`

DNSSEC	⚠️ Not signed
A	69.87.204.19^{🇺🇸 ESITED-169.87.192.0/20 ARIN direct allocation}
NS	`f1g1ns1.dnspod.net` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	125.94.59.235^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	163.177.5.35^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
NS	`f1g1ns2.dnspod.net`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.13.76.35^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
		A	36.155.149.35^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	106.39.207.235^{🇨🇳 CHINA-1106.39.192.0/19 China Telecom Beijing Co. Ltd.}
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
MX	`mx.21cwww.com` ⭐
		A	40.83.93.124^{🇭🇰 Microsoft40.80.0.0/12}
SOA	`f1g1ns1.dnspod.net`freednsadmin@dnspod.com serial=1699257973

`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.net`nstld@verisign-grs.com serial=1778614396

Same first word

w51399.com

DNS History

6 records (4 active, 2 former)

●NSf1g1ns1.dnspod.net2015-08-15 → 2026-05-12 · 2 obs

● 2015-08-15 00:53:00
● 2026-05-12 19:44:34

●NSf1g1ns2.dnspod.net2015-08-15 → 2026-05-12 · 2 obs

● 2015-08-15 00:53:00
● 2026-05-12 19:44:34

●MXmx.21cwww.com2026-03-16 → 2026-05-12 · 3 obs

○ 2020-01-08 10:07:08
● 2026-03-16 02:33:58
● 2026-05-12 19:44:34

○MXvipmail.yiqibao.com2016-07-03 → 2020-01-08 · 4 obs

● 2016-07-03 16:18:44
● 2020-01-08 10:07:08
○ 2026-03-16 02:33:58
○ 2026-05-12 19:44:34

○A64.214.183.262015-08-15 → 2017-02-12 · 4 obs

● 2015-08-15 00:53:00
● 2017-02-12 22:42:58
○ 2020-01-08 10:07:08
○ 2026-05-12 19:44:34

●A69.87.204.192020-01-08 → 2026-05-12 · 3 obs

○ 2017-02-12 22:42:58
● 2020-01-08 10:07:08
● 2026-05-12 19:44:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
w51399.com	f1g1ns1.dnspod.net, f1g1ns2.dnspod.net	-

✅ Authoritative Response

Server:125.94.59.235

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for w51399.com (unsigned zone)

⏱️ Timing

Total: 882ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`69.87.204.19`
NS	2	`f1g1ns1.dnspod.net, f1g1ns2.dnspod.net`
MX	1	`mx.21cwww.com (pri: 5)`
SOA	1	`f1g1ns1.dnspod.net freednsadmin.dnspod.c`

Analysis

IP Addresses

w51399.com resolves to one IP number: 69.87.204.19.

other host names including ui-sys.com, www.cn-yanshida.com, mail.cn-yanshida.com, mail.brownshomeaccessories.com and zsmyi.net share IP numbers with w51399.com.

Name Servers

w51399.com is delegated to two name servers f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

w51399.com shares the same name server setup as other domains, for instance y-s-x.com, rednet.com.cn, 79ygame.com, riversecurity.com.cn and gvw.com.cn.

w51399.com at least partially shares name servers with other domains, for instance ozkheitn.com, s36zcd.icu, ctsmyj.cn, qianlima.com and p2l0b.icu.

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

Eight IP numbers for a host:

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.

Seven IP numbers for a host:

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

w51399.com is handled by a single mail server, mx.21cwww.com.

w51399.com shares the same mail server setup as other domains, for instance tjyongchao.com, italycadylon.com, plwhjgl.com, chinarunkou.com and newyeitat.com.

w51399.com shares some mail servers with other domains, at least partially, for instance ywjianma.com, xiashi168.com, yxsjhy.com, xuchunyunshu.com and haiyufs.com.

mx.21cwww.com resolves to IP 40.83.93.124.

w51399.com - robtex.com

w51399.com

com