mathcn.com - dns.ninja

`mathcn.com`

DNSSEC	⚠️ Not signed
A	39.106.13.210^{🇨🇳 Alibaba-Cloud39.106.0.0/15 CT BeiJing IDC}
NS	`vip3.alidns.com` ⭐
		A	2408:4009:500::3^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.3^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.5^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.210^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.40.136^{🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.26^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.10^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`vip4.alidns.com`
		A	2408:4009:500::4^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.4^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.6^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.211^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.40.137^{🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.27^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.11^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
SOA	`vip3.alidns.com`hostmaster@hichina.com 2026-06-05 #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=1785152827

WOT: SAFE (60/100)

Subdomains

www.mathcn.com

Same first word

mathcn.cn

mathcn.com

Similar names

mtcahn.org

matchn.cn

mcanth.fi

thcman.com

thncam.com

mchtan.com

htacnm.ca

mtachn.cn

matchn.com

tchman.de

nmatch.com

nmchat.com

hantcm.com

ncmath.net

cnmath.com

mnchat.com

chatnm.com

nmchat.org

tnmach.com

mathnc.com

ncmath.org

mnatch.com

mchant.com

nhtcam.com

hcamtn.com

tmchan.com

matchn.chat

htcnam.com

nmchat.cn

chnatm.com

ntmach.com

DNS History

10 records (3 active, 7 former)

○NSdns.bizcn.com2015-10-03 → 2016-01-31 · 4 obs

● 2015-10-03 02:32:26
● 2016-01-31 17:51:40
○ 2026-03-13 17:55:28
○ 2026-07-27 11:59:18

○NSns5.cnmsn.net2016-01-31 → 2016-01-31 · 4 obs

○ 2015-10-03 02:32:26
● 2016-01-31 17:51:40
○ 2026-03-13 17:55:28
○ 2026-07-27 11:59:18

○NSns6.cnmsn.net2016-01-31 → 2016-01-31 · 4 obs

○ 2015-10-03 02:32:26
● 2016-01-31 17:51:40
○ 2026-03-13 17:55:28
○ 2026-07-27 11:59:18

●NSvip3.alidns.com2026-03-13 → 2026-07-27 · 3 obs

○ 2016-01-31 17:51:40
● 2026-03-13 17:55:28
● 2026-07-27 11:59:18

●NSvip4.alidns.com2026-03-13 → 2026-07-27 · 3 obs

○ 2016-01-31 17:51:40
● 2026-03-13 17:55:28
● 2026-07-27 11:59:18

○MXmail.mathcn.com2015-10-03 → 2016-01-31 · 4 obs

● 2015-10-03 02:32:26
● 2016-01-31 17:51:40
○ 2026-03-13 17:55:28
○ 2026-07-27 11:59:18

○A103.232.215.1332015-05-18 → 2016-12-17 · 4 obs

● 2015-05-18 14:47:40
● 2016-12-17 21:56:00
○ 2017-08-30 13:12:02
○ 2026-07-27 11:59:18

●A39.106.13.2102026-03-13 → 2026-07-27 · 3 obs

○ 2017-08-30 13:12:02
● 2026-03-13 17:55:28
● 2026-07-27 11:59:18

○A47.89.194.642017-08-30 → 2017-08-30 · 4 obs

○ 2016-12-17 21:56:00
● 2017-08-30 13:12:02
○ 2026-03-13 17:55:28
○ 2026-07-27 11:59:18

○A59.151.115.1062015-09-23 → 2015-10-03 · 5 obs

○ 2015-05-18 14:47:40
● 2015-09-23 22:34:16
● 2015-10-03 02:32:26
○ 2016-01-28 08:27:00
○ 2026-07-27 11:59:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mathcn.com	vip3.alidns.com, vip4.alidns.com	22 records

✅ Authoritative Response

Server:121.40.6.163

NS records: vip3.alidns.com, vip4.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathcn.com (unsigned zone)

⏱️ Timing

Total: 506ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`39.106.13.210`
NS	2	`vip4.alidns.com, vip3.alidns.com`
SOA	1	`vip3.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 22

Out-of-bailiwick: 22 (vip3.alidns.com, vip3.alidns.com, vip3.alidns.com...)

Analysis

Hierarchy

The domain www.mathcn.com falls under the parent mathcn.com.

IP Addresses

mathcn.com resolves to just one IP address, 39.106.13.210.

Other host names, among them xueersi1v1.com and www.mathcn.com, have IP numbers in common with mathcn.com.

Name Servers

mathcn.com is delegated to two name servers: vip3.alidns.com and vip4.alidns.com.

mathcn.com shares its NS records with other domains, for example megmeet.com, bytesim.com, honglian8.com and two others.

At least some of mathcn.com's name servers are shared with other domains, for example cdht.gov.cn, 95538.cn, xp002.com and two more.

These name servers tend to be deployed in combination with the name servers vip2.alidns.com and vip1.alidns.com.

DNS names with 7 IP addresses:

vip3.alidns.com resolves to 8.212.93.3, 140.205.1.5, 170.33.32.210 and 4 other IP addresses.

vip4.alidns.com resolves to 8.212.93.4, 140.205.1.6, 170.33.32.211 and 4 other IP addresses.