`contch.com`

DNSSEC	⚠️ Not signed
NS	`dns19.hichina.com` ⭐
		A	2408:4009:501::27^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-40.defastlink.net`
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-60.defastlink.net`
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-200.defastlink.net`
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-220.defastlink.net`
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-40.defastlink.net`
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-60.defastlink.net`
		A	139.224.142.100^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-100.defastlink.net`
		A	139.224.142.110^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-110.defastlink.net`
NS	`dns20.hichina.com`
		A	2408:4009:501::28^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-38.defastlink.net`
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-61.defastlink.net`
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-198.defastlink.net`
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-222.defastlink.net`
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-38.defastlink.net`
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-61.defastlink.net`
		A	139.224.142.98^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-98.defastlink.net`
		A	139.224.142.108^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-108.defastlink.net`
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`ip-47-246-137-47.defastlink.net`
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`ip-47-246-137-47.defastlink.net`
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`dns19.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1771291435

Same first word

contch.com

Similar names

cnchot.com

chnotc.com

hotcnc.com

DNS History

5 records (5 active, 0 former)

●NSdns19.hichina.com2026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 21:17:50
● 2026-03-23 17:52:10

●NSdns20.hichina.com2026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 21:17:50
● 2026-03-23 17:52:10

●MXmx1.qiye.aliyun.com2026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 21:17:50
● 2026-03-23 17:52:10

●MXmx2.qiye.aliyun.com2026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 21:17:50
● 2026-03-23 17:52:10

●MXmx3.qiye.aliyun.com2026-02-28 → 2026-03-23 · 2 obs

● 2026-02-28 21:17:50
● 2026-03-23 17:52:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
contch.com	dns19.hichina.com, dns20.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns19.hichina.com, dns20.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contch.com (unsigned zone)

⏱️ Timing

Total: 3560ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns19.hichina.com, dns20.hichina.com`
MX	3	`mx3.qiye.aliyun.com (pri: 15), mx1.qiye.aliyun.com (pri: 5)...`
TXT	1	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`dns19.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns19.hichina.com, dns19.hichina.com, dns19.hichina.com...)

Analysis

Name Servers

contch.com is delegated to two name servers: dns19.hichina.com and dns20.hichina.com.

contch.com uses the same name server setup as other domains such as 91wifi.com, changxiang100.com, zheguang.com, piiiiq.com and pdyun.com.

contch.com shares name servers with other domains at least partially, for example taohuigou.com, 77772.net, rencai.pro, z.vip and laozhangbang.com.

These name servers are commonly used with the name servers expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns19.hichina.com points to: 2408:4009:501::27, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns20.hichina.com points to: 2408:4009:501::28, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

Mail Servers

contch.com is served by three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

contch.com shares mail servers with other domains at least partially; for instance tk-ic.com, ceiechina.com, langsen.net.cn, stbsys.com and solyogamat.com.