`atl-cwt.com`

DNSSEC	⚠️ Not signed
A	103.236.253.76^{🇨🇳 kaopy103.236.252.0/22 Wuyi Zhong Road,Fuzhou 350000, Fujian Province, P.R.China.}
NS	`dns.bizcn.com` ⭐
		A	61.172.183.76^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.114^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
NS	`ns1.dns.com.cn`
		A	240c:4082:ffff:ff01:0:d:0:34a^{🇨🇳 Baidu240c:4082::/32}
NS	`ns2.dns.com.cn`
		A	240c:4082:ffff:ff01:0:d:0:69^{🇨🇳 Baidu240c:4082::/32}
		A	61.172.183.76^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.147^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
MX	`mx1.yunyou.top` ⭐
		A	2404:ccc0:263:103:5054:ff:fe4a:5abe^{🇭🇰 WEST263GO-HK2404:ccc0:263::/48 West263 International Limited 12/F, San Toi Building, 137-139 Connaught Road Central, Hong Kong,}
		A	128.14.74.39^{🇺🇸 TELX-AS21859128.14.74.0/24}
			PTR	`hwmx71.cn4e.com`
MX	`mx2.yunyou.top`⁽¹⁰⁾
		A	211.149.239.73^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`mx2.yunyou.top`
		A	211.149.240.37^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`mx2.yunyou.top`
TXT	`_w0nz2na3znzhj0t5ms930uiwafgdfyf`
TXT	`_7wkzqu4933f9uv0ocvca6f5kt7lts9j`
TXT	`v=spf1 include:yunyou.top -all`
SOA	`dns.bizcn.com`abuse@bizcn.com serial=73

`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=1777130611

Subdomains

mail.atl-cwt.com

Same first word

atl-cwt.net

atl-cwt.org

atl-cwt.com

DNS History

10 records (6 active, 4 former)

●NSdns.bizcn.com2020-01-29 → 2026-04-25 · 3 obs

○ 2015-11-19 06:45:56
● 2020-01-29 06:05:04
● 2026-04-25 15:45:08

●NSns1.dns.com.cn2015-11-19 → 2026-04-25 · 3 obs

○ 2015-07-15 18:48:34
● 2015-11-19 06:45:56
● 2026-04-25 15:45:08

●NSns2.dns.com.cn2015-07-15 → 2026-04-25 · 2 obs

● 2015-07-15 18:48:34
● 2026-04-25 15:45:08

○MXhsmx86.cn4e.com2020-01-29 → 2020-01-29 · 4 obs

○ 2016-07-09 21:19:14
● 2020-01-29 06:05:04
○ 2026-02-25 00:56:14
○ 2026-04-25 15:45:08

○MXmail.atl-cwt.com2015-11-19 → 2016-07-09 · 4 obs

● 2015-11-19 06:45:56
● 2016-07-09 21:19:14
○ 2020-01-29 06:05:04
○ 2026-04-25 15:45:08

●MXmx1.yunyou.top2026-02-25 → 2026-04-25 · 3 obs

○ 2020-01-29 06:05:04
● 2026-02-25 00:56:14
● 2026-04-25 15:45:08

●MXmx2.yunyou.top2026-02-25 → 2026-04-25 · 3 obs

○ 2020-01-29 06:05:04
● 2026-02-25 00:56:14
● 2026-04-25 15:45:08

○MXsmx86.cn4e.com2020-01-29 → 2020-01-29 · 4 obs

○ 2016-07-09 21:19:14
● 2020-01-29 06:05:04
○ 2026-02-25 00:56:14
○ 2026-04-25 15:45:08

●A103.236.253.762020-01-29 → 2026-04-25 · 3 obs

○ 2016-07-09 21:19:14
● 2020-01-29 06:05:04
● 2026-04-25 15:45:08

○A218.66.6.852015-07-15 → 2016-07-09 · 4 obs

● 2015-07-15 18:48:34
● 2016-07-09 21:19:14
○ 2020-01-29 06:05:04
○ 2026-04-25 15:45:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
atl-cwt.com	ns1.dns.com.cn, ns2.dns.com.cn	-

✅ Authoritative Response

Server:61.172.183.76

NS records: ns1.dns.com.cn, ns2.dns.com.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for atl-cwt.com (unsigned zone)

⏱️ Timing

Total: 3136ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.236.253.76`
NS	2	`ns1.dns.com.cn, ns2.dns.com.cn`
MX	2	`mx2.yunyou.top (pri: 10), mx1.yunyou.top (pri: 5)`
TXT	3	`_w0nz2na3znzhj0t5ms930uiwafgdfyf, _7wkzqu4933f9uv0ocvca6f5kt7lts9j...`
SOA	1	`dns.bizcn.com abuse.bizcn.com`

Analysis

Hierarchy

The parent of mail.atl-cwt.com is atl-cwt.com.

IP Addresses

atl-cwt.com points to a single IP address: 103.236.253.76.

Other host names such as chinafiltration.cn, biosun.cn, gsjt.com, sedpos.com and 4006666986.com share IPs with atl-cwt.com.

Name Servers

atl-cwt.com is delegated to three name servers: dns.bizcn.com, ns1.dns.com.cn and ns2.dns.com.cn.

atl-cwt.com at least partially shares name servers with other domains, for example savan.net, bswsolar.com, belledesegosa.com, lpdyz.com and g-sources.com.

Name servers ns7.cnmsn.net, ns8.cnmsn.net, ns13.dns.com.cn, ns14.dns.com.cn, dns.cnmsn.net, ns5.cnmsn.net and ns6.cnmsn.net are commonly used together.

Hostnames with three IPs:

ns2.dns.com.cn points to 240c:4082:ffff:ff01:0:d:0:69, 61.172.183.76 and 61.240.129.147.

Hostnames with two IPs:

dns.bizcn.com points to 61.172.183.76 and 61.240.129.114.

Hostnames with one IP:

ns1.dns.com.cn points to 240c:4082:ffff:ff01:0:d:0:34a.

Hostnames pointing to 61.172.183.76:

ns2.dns.com.cn and dns.bizcn.com.

Mail Servers

Two mail servers handle atl-cwt.com: mx1.yunyou.top and mx2.yunyou.top.

atl-cwt.com shares the same mail server setup as other domains, including china-shichang.com, haisheng-cn.com, qdtcrh.com, su-y.com and tv-rack.com.

atl-cwt.com shares at least partially some mail servers with other domains, for instance familygifts.cn, katadytech.com, leinuoer.com, ziyan.biz and haihui.cn.

Host names with two IP numbers:

mx1.yunyou.top points to 2404:ccc0:263:103:5054:ff:fe4a:5abe and 128.14.74.39.

mx2.yunyou.top points to 211.149.239.73 and 211.149.240.37.

atl-cwt.com - robtex.com

atl-cwt.com

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