`seomasterapp.com`

DNSSEC	⚠️ Not signed
A	47.251.51.35^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
NS	`dns17.hichina.com` ⭐
		A	2408:4009:501::25^{🇨🇳 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	`dns18.hichina.com`
		A	2408:4009:501::26^{🇨🇳 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	`mxdm-ap-southeast-1.aliyun.com` ⭐
		A	47.246.173.111^{🇺🇸 Alibaba-Cloud47.246.168.0/21 Alibaba CLoud}
TXT	`v=spf1 include:spfdm-ap-southeast-1.aliyun.com -all`
TXT	`google-site-verification=zP9tQjbjoBB7Jak_eQCEiHEH5eBB46sb712Zxen_2w4`
SOA	`dns17.hichina.com`hostmaster@hichina.com 2026-02-11 #17

`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=1774640577

Subdomains

app.seomasterapp.com

Same first word

seomasterapp.com

DNS History

4 records (4 active, 0 former)

●NSdns17.hichina.com2026-02-18 → 2026-03-27 · 2 obs

● 2026-02-18 02:59:36
● 2026-03-27 20:03:12

●NSdns18.hichina.com2026-02-18 → 2026-03-27 · 2 obs

● 2026-02-18 02:59:36
● 2026-03-27 20:03:12

●MXmxdm-ap-southeast-1.aliyun.com2026-02-18 → 2026-03-27 · 2 obs

● 2026-02-18 02:59:36
● 2026-03-27 20:03:12

●A47.251.51.352026-02-18 → 2026-03-27 · 2 obs

● 2026-02-18 02:59:36
● 2026-03-27 20:03:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net...	-
seomasterapp.com	dns17.hichina.com, dns18.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns17.hichina.com, dns18.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for seomasterapp.com (unsigned zone)

⏱️ Timing

Total: 3622ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.251.51.35`
NS	2	`dns18.hichina.com, dns17.hichina.com`
MX	1	`mxdm-ap-southeast-1.aliyun.com (pri: 10)`
TXT	2	`google-site-verification=zP9tQjbjoBB7Jak, v=spf1 include:spfdm-ap-southeast-1.aliy`
SOA	1	`dns17.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)

Analysis

Hierarchy

seomasterapp.com is the parent of app.seomasterapp.com.

IP Addresses

seomasterapp.com resolves to one IP number: 47.251.51.35.

Name Servers

seomasterapp.com is delegated to two name servers dns17.hichina.com and dns18.hichina.com.

seomasterapp.com shares the same name server setup as other domains, for instance hd-english.net, gis123.com, reedexpo.com.cn, bdam.cn and cominglife.net.

seomasterapp.com shares at least some name servers with other domains, for example toursz.com, shylw.com and ru92.com.

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

Host names with nine IP numbers:

dns17.hichina.com points to: 2408:4009:501::25, 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.

dns18.hichina.com points to: 2408:4009:501::26, 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

seomasterapp.com is handled by a single mail server, mxdm-ap-southeast-1.aliyun.com.

seomasterapp.com shares the same mail server setup as other domains, for instance engineeringsoftware.eu, mijingtk.com, opnana.us, azzico.cc and onyxcards.com.

seomasterapp.com shares some mail servers with other domains, at least partially, for instance stratusconsultants.com, kubox.mx, theempirehomes.com, newsletter.b-i.biz and walkthechat.com.

these mail servers are commonly used alongside the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, mx01.dm.aliyun.com, aspmx2.googlemail.com, aspmx3.googlemail.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

mxdm-ap-southeast-1.aliyun.com resolves to IP 47.246.173.111.

seomasterapp.com - robtex.com