`writechusa.com`

DNSSEC	⚠️ Not signed
A	45.56.126.215^{🇺🇸 AKAMAI-LINODE-AP45.56.120.0/21 Akamai Technologies}
		PTR	`45-56-126-215.ip.linodeusercontent.com`
NS	`dns21.hichina.com` ⭐
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
NS	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.c3.icoremail.net` ⭐
		A	59.111.193.91^{🇨🇳 NETEASECN59.111.192.0/23}
		A	59.111.193.92^{🇨🇳 NETEASECN59.111.192.0/23}
MX	`mx.c3.icoremail.net`⁽¹⁰⁾
		A	89.168.78.125^{🇩🇪 ORACLE-OCI-3189889.168.64.0/18 Oracle Corporation}
			PTR	`org-mxproxy.icoremail.net`
		A	139.162.158.182^{🇩🇪 AKAMAI-LINODE-AP139.162.128.0/19 Akamai Technologies}
			PTR	`li1425-182.members.linode.com`
		A	165.154.163.126^{🇺🇸 UCLOUD-1165.154.163.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
			PTR	`ucloud-mxproxy.icoremail.net`
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
TXT	`v=spf1 include:spf.icoremail.net -all`
SOA	`dns21.hichina.com`hostmaster@hichina.com 2026-06-02 #11

`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=1784754057

Subdomains

www.writechusa.com

Same first word

writechusa.com

Similar names

uaswitcher.org

suiwatcher.com

cruisewhat.com

DNS History

8 records (8 active, 0 former)

●NSdns21.hichina.com2026-03-02 → 2026-07-22 · 2 obs

● 2026-03-02 15:51:46
● 2026-07-22 21:27:10

●NSdns22.hichina.com2026-03-02 → 2026-07-22 · 2 obs

● 2026-03-02 15:51:46
● 2026-07-22 21:27:10

●MXmx.c3.icoremail.net2026-03-02 → 2026-07-22 · 2 obs

● 2026-03-02 15:51:46
● 2026-07-22 21:27:10

●MXmx1.qiye.aliyun.com2026-03-02 → 2026-07-22 · 2 obs

● 2026-03-02 15:51:46
● 2026-07-22 21:27:10

●MXmx2.c3.icoremail.net2026-03-02 → 2026-07-22 · 2 obs

● 2026-03-02 15:51:46
● 2026-07-22 21:27:10

●MXmx2.qiye.aliyun.com2026-03-02 → 2026-07-22 · 2 obs

● 2026-03-02 15:51:46
● 2026-07-22 21:27:10

●MXmx3.qiye.aliyun.com2026-03-02 → 2026-07-22 · 2 obs

● 2026-03-02 15:51:46
● 2026-07-22 21:27:10

●A45.56.126.2152026-03-02 → 2026-07-22 · 2 obs

● 2026-03-02 15:51:46
● 2026-07-22 21:27:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
writechusa.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for writechusa.com (unsigned zone)

⏱️ Timing

Total: 859ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.56.126.215`
NS	2	`dns21.hichina.com, dns22.hichina.com`
MX	5	`mx.c3.icoremail.net (pri: 5), mx3.qiye.aliyun.com (pri: 15)...`
TXT	2	`v=spf1 include:spf.icoremail.net -all, v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

Hierarchy

www.writechusa.com is delegated beneath writechusa.com.

IP Addresses

writechusa.com resolves to just one IP address, 45.56.126.215.

Two other host names, along with aliyun-ln02.hicheng.net, linotech.cn and welhome.com, also share IP numbers with writechusa.com.

Name Servers

writechusa.com uses two name servers for its delegation: dns21.hichina.com and dns22.hichina.com.

writechusa.com shares its NS records with other domains, for example anliang.cc, hengzuoenergy.com, benxiong.space and two others.

There is at least partial name server overlap between writechusa.com and other domains — cdhui.com, txkh.net, sjzqc.net and two more among them.

These name servers frequently co-occur with the name servers expirens3.hichina.com and expirens4.hichina.com.

DNS names with 9 IP addresses:

Hostname dns21.hichina.com directs to 39.96.153.40, 39.96.153.60 and 47.118.199.200 along with 6 other IP addresses.

Hostname dns22.hichina.com directs to 39.96.153.38, 39.96.153.61 and 47.118.199.198 along with 6 other IP addresses.

Mail Servers

writechusa.com has five mail servers, which are mx1.qiye.aliyun.com, mx2.qiye.aliyun.com, mx3.qiye.aliyun.com and two others.

There is at least a partial MX overlap between writechusa.com and other domains, including ices-cn.com, ys101.net, wisdomiov.com and two others.

These mail servers are routinely seen in conjunction with the mail servers mx.c3.icoremail.net and mx2.c3.icoremail.net.

Hostnames that map to three IP numbers:

The hostname mx.c3.icoremail.net directs to 89.168.78.125, 139.162.158.182 and 165.154.163.126.

Host names that have two IP addresses:

mx3.qiye.aliyun.com directs traffic to 47.246.136.231 and 47.246.137.47.

mx2.c3.icoremail.net directs traffic to 59.111.193.91 and 59.111.193.92.

Host names that point to one IP address:

mx1.qiye.aliyun.com has the IP address 47.246.137.47.

mx2.qiye.aliyun.com has the IP address 47.246.136.231.

Both mx3.qiye.aliyun.com and mx2.qiye.aliyun.com resolve to 47.246.136.231 IP addresses each.

Both mx3.qiye.aliyun.com and mx1.qiye.aliyun.com resolve to 47.246.137.47 IP addresses each.