equationk.com - dns.ninja

`equationk.com`

DNSSEC	⚠️ Not signed
A	104.18.11.62^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns11.hichina.com` ⭐
		A	2408:4009:501::19^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns12.hichina.com`
		A	2408:4009:501::20^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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	`mail.equationk.com` ⭐
		A	47.254.92.90^{🇺🇸 Alibaba-Cloud47.254.64.0/18 Proxy-registered route object}
			PTR	`ninisilk.com`
			PTR	`new.showcloud.top`
TXT	`v=spf1 ip4:47.254.92.90~all`
SOA	`dns11.hichina.com`hostmaster@hichina.com 2026-06-04 #13

`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=1783819247

⚠️ On DNS blocklist: tif

Subdomains

mail.equationk.com

Same first word

equationk.com

DNS History

5 records (4 active, 1 former)

●NSdns11.hichina.com2026-03-13 → 2026-07-12 · 2 obs

● 2026-03-13 17:20:10
● 2026-07-12 01:42:36

●NSdns12.hichina.com2026-03-13 → 2026-07-12 · 2 obs

● 2026-03-13 17:20:10
● 2026-07-12 01:42:36

●MXmail.equationk.com2026-03-13 → 2026-07-12 · 2 obs

● 2026-03-13 17:20:10
● 2026-07-12 01:42:36

●A104.18.11.622026-07-03 → 2026-07-12 · 3 obs

○ 2026-04-04 14:29:54
● 2026-07-03 21:01:16
● 2026-07-12 01:42:36

○A3.33.168.2242026-03-13 → 2026-04-04 · 4 obs

● 2026-03-13 17:20:10
● 2026-04-04 14:29:54
○ 2026-07-03 21:01:16
○ 2026-07-12 01:42:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
equationk.com	dns11.hichina.com, dns12.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns11.hichina.com, dns12.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for equationk.com (unsigned zone)

⏱️ Timing

Total: 580ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.18.11.62`
NS	2	`dns12.hichina.com, dns11.hichina.com`
MX	1	`mail.equationk.com (pri: 1)`
TXT	1	`v=spf1 ip4:47.254.92.90~all`
SOA	1	`dns11.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns11.hichina.com, dns11.hichina.com, dns11.hichina.com...)

Analysis

Hierarchy

equationk.com is the parent zone for mail.equationk.com.

IP Addresses

equationk.com directs to one IP number, which is 104.18.11.62.

Among the host names that share IP numbers with equationk.com are decorativk.com, depannedt.com, brieftyly.com and two others.

Name Servers

equationk.com is served by two delegated name servers, dns11.hichina.com and dns12.hichina.com.

equationk.com has the same name server delegation as a number of other domains, such as ruanko.com, wangpinkg.com, huasiton.com and two more.

equationk.com partially shares its name servers with domains like ideeoo.cn and nert.cn.

Host names resolving to 9 IP numbers:

dns11.hichina.com carries IP addresses 39.96.153.42, 39.96.153.52 and 47.118.199.202, with 6 other addresses beyond those.

dns12.hichina.com carries IP addresses 39.96.153.41, 39.96.153.51 and 47.118.199.201, with 6 other addresses beyond those.

Mail Servers

equationk.com routes its mail through a single mail server, mail.equationk.com.

There is one IP number for mail.equationk.com: 47.254.92.90.