leoco.com - dns.ninja

`leoco.com`

DNSSEC	⚠️ Not signed
A	47.243.231.105^{🇭🇰 Alibaba-Cloud47.243.0.0/16 Proxy-registered route object}
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	`ce1.xincache.com`
		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	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	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
		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	`ce2.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	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
MX	`leoco-com.corpsmtp.net` ⭐
		A	46.101.220.252^{🇩🇪 DIGITALOCEAN46.101.128.0/17 DigitalOcean}
			PTR	`inbound-protection-604.corpsmtp.net`
		A	138.68.75.175^{🇩🇪 DIGITALOCEAN138.68.64.0/20 DigitalOcean}
			PTR	`inbound-protection-605.corpsmtp.net`
		A	192.241.207.6^{🇺🇸 DIGITALOCEAN192.241.192.0/19 DigitalOcean}
			PTR	`inbound-protection-608.corpsmtp.net`
		A	192.241.217.149^{🇺🇸 DIGITALOCEAN192.241.192.0/19 DigitalOcean}
			PTR	`inbound-protection-609.corpsmtp.net`
		A	206.189.7.78^{🇳🇱 DIGITALOCEAN206.189.0.0/20 DigitalOcean}
			PTR	`inbound-protection-606.corpsmtp.net`
		A	206.189.96.192^{🇳🇱 DIGITALOCEAN206.189.96.0/20 DigitalOcean}
			PTR	`inbound-protection-607.corpsmtp.net`
MX	`leoco-com.corpsmtp.cn`⁽²⁾
		A	46.101.220.252^{🇩🇪 DIGITALOCEAN46.101.128.0/17 DigitalOcean}
			PTR	`inbound-protection-604.corpsmtp.net`
		A	138.68.75.175^{🇩🇪 DIGITALOCEAN138.68.64.0/20 DigitalOcean}
			PTR	`inbound-protection-605.corpsmtp.net`
		A	192.241.207.6^{🇺🇸 DIGITALOCEAN192.241.192.0/19 DigitalOcean}
			PTR	`inbound-protection-608.corpsmtp.net`
		A	192.241.217.149^{🇺🇸 DIGITALOCEAN192.241.192.0/19 DigitalOcean}
			PTR	`inbound-protection-609.corpsmtp.net`
		A	206.189.7.78^{🇳🇱 DIGITALOCEAN206.189.0.0/20 DigitalOcean}
			PTR	`inbound-protection-606.corpsmtp.net`
		A	206.189.96.192^{🇳🇱 DIGITALOCEAN206.189.96.0/20 DigitalOcean}
			PTR	`inbound-protection-607.corpsmtp.net`
MX	`cnc.biz-email.net`⁽³⁾
		A	210.51.26.140^{🇨🇳 CU-CN-AS210.51.26.0/24}
		A	210.51.26.150^{🇨🇳 CU-CN-AS210.51.26.0/24}
MX	`mail.biz-email.net`⁽⁴⁾
		A	222.73.234.229^{🇨🇳 SHANGHAITELECOM222.73.234.0/24 SHIDC}
			PTR	`mail.biz-email.net`
		A	222.73.234.234^{🇨🇳 SHANGHAITELECOM222.73.234.0/24 SHIDC}
			PTR	`mail.biz-email.net`
		A	222.73.234.236^{🇨🇳 SHANGHAITELECOM222.73.234.0/24 SHIDC}
			PTR	`mail.biz-email.net`
TXT	`v=spf1 include:_s.corp-email.com include:spf.protection.partner.outlook.cn -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1784006054

`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=1785341517

Same first word

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DNS History

22 records (8 active, 14 former)

●NSce1.xincache.com2026-02-22 → 2026-07-29 · 3 obs

○ 2020-03-14 22:26:38
● 2026-02-22 23:28:10
● 2026-07-29 16:12:38

●NSce2.xincache.com2026-02-22 → 2026-07-29 · 3 obs

○ 2020-03-14 22:26:38
● 2026-02-22 23:28:10
● 2026-07-29 16:12:38

○NSns1.bluehost.com2015-07-22 → 2017-03-28 · 5 obs

○ 2007-10-31 07:15:22
● 2015-07-22 10:16:18
● 2017-03-28 11:47:08
○ 2020-03-14 22:26:38
○ 2026-07-29 16:12:38

●NSns11.xincache.com2026-02-22 → 2026-07-29 · 3 obs

○ 2020-03-14 22:26:38
● 2026-02-22 23:28:10
● 2026-07-29 16:12:38

○NSns2.bluehost.com2015-07-22 → 2017-03-28 · 5 obs

○ 2007-10-31 07:15:22
● 2015-07-22 10:16:18
● 2017-03-28 11:47:08
○ 2020-03-14 22:26:38
○ 2026-07-29 16:12:38

○NSns217.websitewelcome.com2007-10-31 → 2007-10-31 · 3 obs

● 2007-10-31 07:15:22
○ 2015-07-22 10:16:18
○ 2026-07-29 16:12:38

○NSns218.websitewelcome.com2007-10-31 → 2007-10-31 · 3 obs

● 2007-10-31 07:15:22
○ 2015-07-22 10:16:18
○ 2026-07-29 16:12:38

○NSns29.domaincontrol.com2020-03-14 → 2020-03-14 · 4 obs

○ 2017-03-28 11:47:08
● 2020-03-14 22:26:38
○ 2026-02-22 23:28:10
○ 2026-07-29 16:12:38

○NSns30.domaincontrol.com2020-03-14 → 2020-03-14 · 4 obs

○ 2017-03-28 11:47:08
● 2020-03-14 22:26:38
○ 2026-02-22 23:28:10
○ 2026-07-29 16:12:38

●MXcnc.biz-email.net2026-04-29 → 2026-07-29 · 3 obs

○ 2026-04-26 00:05:22
● 2026-04-29 02:34:14
● 2026-07-29 16:12:38

○MXfallbackmx.spamexperts.eu2015-07-22 → 2017-03-28 · 5 obs

○ 2007-10-31 07:15:22
● 2015-07-22 10:16:18
● 2017-03-28 11:47:08
○ 2020-03-14 22:26:38
○ 2026-07-29 16:12:38

○MXlastmx.spamexperts.net2015-07-22 → 2017-03-28 · 5 obs

○ 2007-10-31 07:15:22
● 2015-07-22 10:16:18
● 2017-03-28 11:47:08
○ 2020-03-14 22:26:38
○ 2026-07-29 16:12:38

●MXleoco-com.corpsmtp.cn2026-04-29 → 2026-07-29 · 3 obs

○ 2026-04-26 00:05:22
● 2026-04-29 02:34:14
● 2026-07-29 16:12:38

●MXleoco-com.corpsmtp.net2026-04-29 → 2026-07-29 · 3 obs

○ 2026-04-26 00:05:22
● 2026-04-29 02:34:14
● 2026-07-29 16:12:38

○MXleoco-com.mail.protection.partner.outlook.cn2026-03-26 → 2026-04-26 · 5 obs

○ 2020-03-14 22:26:38
● 2026-03-26 10:53:26
● 2026-04-26 00:05:22
○ 2026-04-29 02:34:14
○ 2026-07-29 16:12:38

●MXmail.biz-email.net2026-04-29 → 2026-07-29 · 3 obs

○ 2026-04-26 00:05:22
● 2026-04-29 02:34:14
● 2026-07-29 16:12:38

○MXmail.leoco.com2007-10-31 → 2007-10-31 · 3 obs

● 2007-10-31 07:15:22
○ 2015-07-22 10:16:18
○ 2026-07-29 16:12:38

○MXmx.spamexperts.com2015-07-22 → 2017-03-28 · 5 obs

○ 2007-10-31 07:15:22
● 2015-07-22 10:16:18
● 2017-03-28 11:47:08
○ 2020-03-14 22:26:38
○ 2026-07-29 16:12:38

○A184.168.131.2412020-03-14 → 2020-03-14 · 4 obs

○ 2017-03-28 11:47:08
● 2020-03-14 22:26:38
○ 2026-02-22 23:28:10
○ 2026-07-29 16:12:38

○A192.163.222.232015-07-22 → 2017-03-28 · 5 obs

○ 2007-10-31 07:15:22
● 2015-07-22 10:16:18
● 2017-03-28 11:47:08
○ 2020-03-14 22:26:38
○ 2026-07-29 16:12:38

●A47.243.231.1052026-02-22 → 2026-07-29 · 3 obs

○ 2020-03-14 22:26:38
● 2026-02-22 23:28:10
● 2026-07-29 16:12:38

○A70.87.62.1622007-10-31 → 2007-10-31 · 3 obs

● 2007-10-31 07:15:22
○ 2015-07-22 10:16:18
○ 2026-07-29 16:12:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
leoco.com	ce1.xincache.com, ce2.xincache.com	9 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ce1.xincache.com, ce2.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leoco.com (unsigned zone)

⏱️ Timing

Total: 358ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.243.231.105`
NS	2	`ce1.xincache.com, ce2.xincache.com`
MX	4	`leoco-com.corpsmtp.net (pri: 1), leoco-com.corpsmtp.cn (pri: 2)...`
TXT	1	`v=spf1 include:_s.corp-email.com include`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 9

Out-of-bailiwick: 9 (ce1.xincache.com, ce1.xincache.com, ce1.xincache.com...)

Analysis

IP Addresses

leoco.com resolves to just one IP address, 47.243.231.105.

Additional host names — including leoco.com.cn and leoco.com.tw — share IP numbers with leoco.com.

Name Servers

DNS for leoco.com is handled by three authoritative name servers: ce1.xincache.com, ce2.xincache.com and ns11.xincache.com.

leoco.com has at least partial name server overlap with other domains, such as tospur.com, zjyangfan.com, lmzjw.com and two others.

ns12.xincache.com, ns17.xincache.com and ns18.xincache.com — plus 7 other name servers — are commonly paired with these name servers.

DNS names with 8 IP addresses:

ns11.xincache.com has IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, plus 5 other.

DNS names with 7 IP addresses:

ce1.xincache.com has IP addresses 1.12.0.4, 112.80.181.45 and 117.89.178.173, plus 4 other.

DNS names with 6 IP addresses:

ce2.xincache.com has IP addresses 1.12.0.1, 117.89.178.184 and 117.135.128.235, plus 3 other.

Host names pointing to 2402:4e00:1470:2::e IP addresses: ns11.xincache.com and ce1.xincache.com.

Host names pointing to 1.12.0.4 IP addresses: ns11.xincache.com and ce1.xincache.com.

Host names pointing to 112.80.181.45 IP addresses: ns11.xincache.com and ce1.xincache.com.

Host names pointing to 117.89.178.173 IP addresses: ns11.xincache.com and ce1.xincache.com.

Host names pointing to 125.94.59.210 IP addresses: ns11.xincache.com and ce1.xincache.com.

Host names pointing to 129.211.176.209 IP addresses: ns11.xincache.com and ce1.xincache.com.

Host names pointing to 117.135.128.235 IP addresses: ce1.xincache.com and ce2.xincache.com.

Mail Servers

Four mail servers handle email for leoco.com: leoco-com.corpsmtp.cn, cnc.biz-email.net, mail.biz-email.net and leoco-com.corpsmtp.net.

There is at least a partial MX overlap between leoco.com and other domains, including si-neng.com, luyetz.com, scpdiecasting.com and two others.

These mail servers frequently co-occur with the mail servers cdn.corp-email.cn, cdn.corpemail.net, mdn.corp-email.cn and two others.

DNS names with 6 IP addresses:

leoco-com.corpsmtp.cn has IP addresses 46.101.220.252, 138.68.75.175 and 192.241.207.6, plus 3 other.

leoco-com.corpsmtp.net has IP addresses 46.101.220.252, 138.68.75.175 and 192.241.207.6, plus 3 other.

Hostnames that map to three IP numbers:

mail.biz-email.net has IP addresses 222.73.234.229, 222.73.234.234 and 222.73.234.236.

Host names that have two IP addresses:

cnc.biz-email.net has two IP addresses: 210.51.26.140 and 210.51.26.150.

Host names pointing to 46.101.220.252 IP addresses: leoco-com.corpsmtp.cn and leoco-com.corpsmtp.net.

Host names pointing to 138.68.75.175 IP addresses: leoco-com.corpsmtp.cn and leoco-com.corpsmtp.net.

Host names pointing to 192.241.207.6 IP addresses: leoco-com.corpsmtp.cn and leoco-com.corpsmtp.net.

Host names pointing to 192.241.217.149 IP addresses: leoco-com.corpsmtp.cn and leoco-com.corpsmtp.net.

Host names pointing to 206.189.7.78 IP addresses: leoco-com.corpsmtp.cn and leoco-com.corpsmtp.net.

Host names pointing to 206.189.96.192 IP addresses: leoco-com.corpsmtp.cn and leoco-com.corpsmtp.net.