dc81.com - dns.ninja

`dc81.com`

DNSSEC	⚠️ Not signed
NS	`ns11.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	`ns15.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	`ns16.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	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`ns11.xincache.com`ns12@xincache.com serial=1757338132

`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=1783158051

Same first word

dc81.com

Similar names

cd81.com

81dc.com

c18d.com

81cd.com

c81d.com

18dc.com

dc18.org

cd18.com

18cd.com

dc18.com

DNS History

6 records (5 active, 1 former)

●NSns11.xincache.com2026-03-27 → 2026-07-04 · 3 obs

○ 2015-06-30 15:00:36
● 2026-03-27 20:52:26
● 2026-07-04 09:58:04

●NSns15.xincache.com2015-06-30 → 2026-07-04 · 2 obs

● 2015-06-30 15:00:36
● 2026-07-04 09:58:04

●NSns16.xincache.com2015-06-30 → 2026-07-04 · 2 obs

● 2015-06-30 15:00:36
● 2026-07-04 09:58:04

●MXmxbiz1.qq.com2015-06-30 → 2026-07-04 · 2 obs

● 2015-06-30 15:00:36
● 2026-07-04 09:58:04

●MXmxbiz2.qq.com2015-06-30 → 2026-07-04 · 2 obs

● 2015-06-30 15:00:36
● 2026-07-04 09:58:04

○A116.255.194.1902015-06-30 → 2017-05-21 · 4 obs

● 2015-06-30 15:00:36
● 2017-05-21 09:35:36
○ 2026-03-27 20:52:26
○ 2026-07-04 09:58:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
dc81.com	ns15.xincache.com, ns16.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ns15.xincache.com, ns16.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dc81.com (unsigned zone)

⏱️ Timing

Total: 331ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns16.xincache.com, ns15.xincache.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns15.xincache.com, ns15.xincache.com, ns15.xincache.com...)

Analysis

Name Servers

Three name servers are authoritative for dc81.com: ns11.xincache.com, ns15.xincache.com and ns16.xincache.com.

dc81.com partially shares its NS delegation with several other domains, including xiyingame.com, e-tplink.net, yake-china.com and two others.

In DNS configurations, these name servers often share authority with ns12.xincache.com, ns19.xincache.com, ns20.xincache.com and 7 other name servers.

DNS names with 8 IP addresses:

ns11.xincache.com carries IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, with 5 other addresses beyond those.

ns15.xincache.com carries IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, with 5 other addresses beyond those.

DNS names with 7 IP addresses:

ns16.xincache.com carries IP addresses 1.12.0.1, 36.155.149.176 and 112.80.181.111, with 4 other addresses beyond those.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 2402:4e00:1470:2::e IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 2402:4e00:1730::e IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 1.12.0.4 IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 36.155.149.180 IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 112.80.181.45 IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 117.89.178.173 IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 125.94.59.210 IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 129.211.176.209 IP addresses.

Mail Servers

dc81.com is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

Among the domains sharing a mail server setup with dc81.com are flexkit.cn, weiyonghu.com, reh.cn and two others.

There is at least a partial overlap in mail servers between dc81.com and other domains like dandantang.com, long-chen.com and ssdax.com.