mathstackers.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mathstackers.com`

DNSSEC	⚠️ Not signed
A	23.227.38.65^{🇨🇦 Cloudflare23.227.38.0/23 Shopify 151 O'Connor Street, Ground floor Ottawa ON K2P 2L8 Canada}
		PTR	`myshopify.com`
NS	`ns65.domaincontrol.com` ⭐
		A	2603:5:2164::2b^{🇺🇸 GODADDY-DNS2603:5:2160::/44}
			PTR	`ns65.domaincontrol.com`
		A	97.74.102.43^{🇺🇸 GODADDY-DNS97.74.102.0/23}
			PTR	`ns65.domaincontrol.com`
NS	`ns66.domaincontrol.com`
		A	2603:5:2264::2b^{🇺🇸 GODADDY-DNS2603:5:2260::/44}
			PTR	`ns66.domaincontrol.com`
		A	173.201.70.43^{🇺🇸 GODADDY-DNS173.201.70.0/23}
			PTR	`ns66.domaincontrol.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=E2sis0J8SFTl532PMTS0lI-uCx7Z-0hikr2z9lRflu4`
TXT	`facebook-domain-verification=s8q7vpjk5jya454o12h7b8c30arg8s`
TXT	`v=spf1 include:mailgun.org include:emsd1.com include:squarespace-mail.com inc...`
TXT	`facebook-domain-verification=eh22qpb6gryhcra52qeje7vdffj99q`
SOA	`ns65.domaincontrol.com`dns@jomax.net 2026-10-05 #0

`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=1791824494

Subdomains

www.mathstackers.com

Same first word

mathstackers.com

Similar names

taskmatchers.com

tasksmatcher.xyz

mattresshack.com

mattresshack.org

taskmatchers.ca

mattresshack.net

Previous names

Next names

DNS History

15 records (8 active, 7 former)

○NSns1.bluehost.com2016-12-19 → 2017-12-09 · 4 obs

● 2016-12-19 04:48:10
● 2017-12-09 19:46:10
○ 2026-08-23 06:13:36
○ 2026-10-12 17:25:26

○NSns2.bluehost.com2016-12-19 → 2017-12-09 · 4 obs

● 2016-12-19 04:48:10
● 2017-12-09 19:46:10
○ 2026-08-23 06:13:36
○ 2026-10-12 17:25:26

●NSns65.domaincontrol.com2026-08-23 → 2026-10-12 · 3 obs

○ 2017-12-09 19:46:10
● 2026-08-23 06:13:36
● 2026-10-12 17:25:26

●NSns66.domaincontrol.com2026-08-23 → 2026-10-12 · 3 obs

○ 2017-12-09 19:46:10
● 2026-08-23 06:13:36
● 2026-10-12 17:25:26

●MXalt1.aspmx.l.google.com2026-08-23 → 2026-10-12 · 3 obs

○ 2017-12-09 19:46:10
● 2026-08-23 06:13:36
● 2026-10-12 17:25:26

●MXalt2.aspmx.l.google.com2026-08-23 → 2026-10-12 · 3 obs

○ 2017-12-09 19:46:10
● 2026-08-23 06:13:36
● 2026-10-12 17:25:26

●MXalt3.aspmx.l.google.com2026-08-23 → 2026-10-12 · 3 obs

○ 2017-12-09 19:46:10
● 2026-08-23 06:13:36
● 2026-10-12 17:25:26

●MXalt4.aspmx.l.google.com2026-08-23 → 2026-10-12 · 3 obs

○ 2017-12-09 19:46:10
● 2026-08-23 06:13:36
● 2026-10-12 17:25:26

●MXaspmx.l.google.com2026-08-23 → 2026-10-12 · 3 obs

○ 2017-12-09 19:46:10
● 2026-08-23 06:13:36
● 2026-10-12 17:25:26

○MXmail.mathstackers.com2016-12-19 → 2017-12-09 · 4 obs

● 2016-12-19 04:48:10
● 2017-12-09 19:46:10
○ 2026-08-23 06:13:36
○ 2026-10-12 17:25:26

○A198.185.159.1442016-12-19 → 2017-12-09 · 4 obs

● 2016-12-19 04:48:10
● 2017-12-09 19:46:10
○ 2026-08-23 06:13:36
○ 2026-10-12 17:25:26

○A198.185.159.1452016-12-19 → 2017-12-09 · 4 obs

● 2016-12-19 04:48:10
● 2017-12-09 19:46:10
○ 2026-08-23 06:13:36
○ 2026-10-12 17:25:26

○A198.49.23.1442016-12-19 → 2017-12-09 · 4 obs

● 2016-12-19 04:48:10
● 2017-12-09 19:46:10
○ 2026-08-23 06:13:36
○ 2026-10-12 17:25:26

○A198.49.23.1452016-12-19 → 2017-12-09 · 4 obs

● 2016-12-19 04:48:10
● 2017-12-09 19:46:10
○ 2026-08-23 06:13:36
○ 2026-10-12 17:25:26

●A23.227.38.652026-08-23 → 2026-10-12 · 3 obs

○ 2017-12-09 19:46:10
● 2026-08-23 06:13:36
● 2026-10-12 17:25:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mathstackers.com	ns66.domaincontrol.com, ns65.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.70.43

NS records: ns66.domaincontrol.com, ns65.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathstackers.com (unsigned zone)

⏱️ Timing

Total: 470ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.227.38.65`
NS	2	`ns66.domaincontrol.com, ns65.domaincontrol.com`
MX	5	`alt4.aspmx.l.google.com (pri: 10), aspmx.l.google.com (pri: 1)...`
TXT	4	`google-site-verification=E2sis0J8SFTl532, facebook-domain-verification=s8q7vpjk5jy...`
SOA	1	`ns65.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns66.domaincontrol.com, ns66.domaincontrol.com, ns65.domaincontrol.com...)

Analysis

Hierarchy

mathstackers.com is the parent zone for www.mathstackers.com.

IP Addresses

mathstackers.com directs to one IP number, which is 23.227.38.65.

Among the host names that share IP numbers with mathstackers.com are eureplicawatches.com, pawpetsupply.com, rooshie.store and two others.

Name Servers

mathstackers.com is delegated to two name servers: ns65.domaincontrol.com and ns66.domaincontrol.com.

mathstackers.com has the same name server delegation as a number of other domains, such as sentimuse.com, previsiorisk.com, nzbeauty.shop and two more.

ns65.domaincontrol.com and ns66.domaincontrol.com each resolve to two IP addresses: ns65.domaincontrol.com points to 97.74.102.43 and 2603:5:2164::2b, while ns66.domaincontrol.com points to 173.201.70.43 and 2603:5:2264::2b.

Mail Servers

mathstackers.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

mathstackers.com shares at least some of its mail servers with other domains — for example stratapay.com.mx, usemarketingcoreks.co, ca.torun.pl and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com points to 142.251.167.26 and 2607:f8b0:4004:c21::1b.

alt1.aspmx.l.google.com points to 192.178.234.27 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1b.