mircourse.com - dns.ninja

`mircourse.com`

DNSSEC	⚠️ Not signed
A	121.42.106.6^{🇨🇳 Alibaba-Cloud121.42.64.0/18}
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 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	139.224.142.123^{🇨🇳 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	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 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	139.224.142.124^{🇨🇳 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	`mxn.mxhichina.com` ⭐
		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}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.mxhichina.com -all`
SOA	`dns3.hichina.com`hostmaster@hichina.com 2026-05-28 #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=1783447591

Same first word

mircourse.com

mircourse.ru

Similar names

DNS History

6 records (5 active, 1 former)

●NSdns3.hichina.com2017-05-09 → 2026-07-07 · 2 obs

● 2017-05-09 16:10:14
● 2026-07-07 18:33:38

●NSdns4.hichina.com2017-05-09 → 2026-07-07 · 2 obs

● 2017-05-09 16:10:14
● 2026-07-07 18:33:38

●MXmxn.mxhichina.com2017-05-09 → 2026-07-07 · 2 obs

● 2017-05-09 16:10:14
● 2026-07-07 18:33:38

●MXmxw.mxhichina.com2017-05-09 → 2026-07-07 · 2 obs

● 2017-05-09 16:10:14
● 2026-07-07 18:33:38

○A120.77.150.562017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 16:10:14
○ 2026-07-07 18:33:36
○ 2026-07-07 18:33:38

●A121.42.106.62026-07-07 → 2026-07-07 · 3 obs

○ 2017-05-09 16:10:14
● 2026-07-07 18:33:36
● 2026-07-07 18:33:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net...	-
mircourse.com	dns3.hichina.com, dns4.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.43

NS records: dns3.hichina.com, dns4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mircourse.com (unsigned zone)

⏱️ Timing

Total: 1779ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.42.106.6`
NS	2	`dns4.hichina.com, dns3.hichina.com`
MX	2	`mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mxhichina.com -all`
SOA	1	`dns3.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)

Analysis

IP Addresses

mircourse.com resolves to just one IP address, 121.42.106.6.

Name Servers

mircourse.com is served by two delegated name servers, dns3.hichina.com and dns4.hichina.com.

mircourse.com shares its NS records with other domains, for example xxptcs.com, nuanqipian.cn, cneem.com and two others.

mircourse.com shares at least some of its name servers with other domains, including financialhouse.cn, thunderlaser.com, wubayun.com and two others.

These name servers are frequently paired with the name servers expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.

DNS names with 9 IP addresses:

dns3.hichina.com carries IP addresses 39.96.153.43, 39.96.153.63 and 47.118.199.203, with 6 other addresses beyond those.

dns4.hichina.com carries IP addresses 39.96.153.44, 39.96.153.54 and 47.118.199.204, with 6 other addresses beyond those.

Mail Servers

mircourse.com is served by two mail servers, mxn.mxhichina.com and mxw.mxhichina.com.

Among the domains sharing a mail server setup with mircourse.com are nature-cnc.com, shaoc.com, yliantech.com and two others.

There is at least a partial MX overlap between mircourse.com and other domains, including jianyejia.cn, mpro-china.com, yuanqigou.com and two others.

These mail servers frequently appear alongside the mail servers mxbiz1.qq.com and mxbiz2.qq.com.

Host names that have two IP addresses:

mxn.mxhichina.com maps to two IP addresses — 47.246.136.231 and 47.246.137.47.

Host names that point to one IP address:

mxw.mxhichina.com points to the IP address 47.246.99.195.