51687.com - dns.ninja

`51687.com`

DNSSEC	⚠️ Not signed
A	61.155.152.205^{🇨🇳 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK61.155.152.0/24}
NS	`ns19.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns20.xincache.com`
		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	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`mxxinmail.xinnetdns.com` ⭐
		A	101.237.133.12^{🇨🇳 CHINA-1101.237.128.0/20 China Telecom Beijing Co. Ltd.}
			PTR	`outhb2.global-mail.cn`
SOA	`ns19.xincache.com`enterprise1dnsadmin@dnspod.com serial=1576568439

`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=1785967844

Same first word

51687.com

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DNS History

6 records (4 active, 2 former)

○NSns17.xincache.com2015-07-16 → 2016-06-25 · 4 obs

● 2015-07-16 22:58:38
● 2016-06-25 13:06:16
○ 2017-02-10 19:03:50
○ 2026-08-05 22:17:14

○NSns18.xincache.com2015-07-16 → 2016-06-25 · 4 obs

● 2015-07-16 22:58:38
● 2016-06-25 13:06:16
○ 2017-02-10 19:03:50
○ 2026-08-05 22:17:14

●NSns19.xincache.com2017-02-10 → 2026-08-05 · 3 obs

○ 2016-06-25 13:06:16
● 2017-02-10 19:03:50
● 2026-08-05 22:17:14

●NSns20.xincache.com2017-02-10 → 2026-08-05 · 3 obs

○ 2016-06-25 13:06:16
● 2017-02-10 19:03:50
● 2026-08-05 22:17:14

●MXmxxinmail.xinnetdns.com2015-07-16 → 2026-08-05 · 2 obs

● 2015-07-16 22:58:38
● 2026-08-05 22:17:14

●A61.155.152.2052015-07-16 → 2026-08-05 · 2 obs

● 2015-07-16 22:58:38
● 2026-08-05 22:17:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net...	-
51687.com	ns19.xincache.com, ns20.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51687.com (unsigned zone)

⏱️ Timing

Total: 171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`61.155.152.205`
NS	2	`ns20.xincache.com, ns19.xincache.com`
MX	1	`mxxinmail.xinnetdns.com (pri: 10)`
SOA	1	`ns19.xincache.com enterprise1dnsadmin.dn`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns19.xincache.com, ns19.xincache.com, ns19.xincache.com...)

Analysis

IP Addresses

51687.com resolves to just one IP address, 61.155.152.205.

Host names like ywctc.com are further examples that share IP numbers with 51687.com.

Name Servers

Two name servers handle the delegation for 51687.com: ns19.xincache.com and ns20.xincache.com.

51687.com shares its NS records with other domains, for example made-in-dongguan.com, 618110.cn, cn-3.cn and two others.

51687.com shares at least some of its name servers with other domains, including cemig.com.cn, hnzgsy.com, evernewtex.com and two others.

These name servers are frequently paired with the name servers ns11.xincache.com and ns12.xincache.com.

DNS names with 8 IP addresses:

ns19.xincache.com resolves to 1.12.0.4, 36.155.149.180 and 112.80.181.45 among others, with 5 other IP addresses in total.

DNS names with 7 IP addresses:

ns20.xincache.com resolves to 1.12.0.1, 36.155.149.176 and 112.80.181.111 among others, with 4 other IP addresses in total.

Mail Servers

The sole mail server for 51687.com is mxxinmail.xinnetdns.com.

Among the domains sharing a mail server setup with 51687.com are gzaf.com, aidnsns.com, deicae.com and two others.

There is at least a partial MX overlap between 51687.com and other domains, including ykky.com, jieancq.com, meidiad.com and two others.

These mail servers often co-occur with the mail servers mx1xinmail.xinnetdns.com.

mxxinmail.xinnetdns.com carries a single IP number, which is 101.237.133.12.