`cmstudies.org`

DNSSEC	⚠️ Not signed
A	162.159.141.168^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	172.66.1.164^{🇺🇸 Cloudflare172.66.0.0/22 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.ymaws.com` ⭐
		A	205.251.192.93^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-93.awsdns-11.com`
NS	`ns2.ymaws.com`
		A	205.251.195.209^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-977.awsdns-58.net`
NS	`ns3.ymaws.com`
		A	205.251.196.15^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1039.awsdns-01.org`
NS	`ns4.ymaws.com`
		A	205.251.199.240^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2032.awsdns-62.co.uk`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.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	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.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	`v=spf1 mx include:spf.ymem.net ~all`
SOA	`ns1.ymaws.com`dpichardo@yourmembership@com serial=1663721937

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786090713

rank #308929 globally
rank #24311 in the tld

Same first word

cmstudies.org

cmstudies.com

DNS History

15 records (11 active, 4 former)

●NSns1.ymaws.com2026-03-11 → 2026-08-07 · 3 obs

○ 2026-03-06 20:39:10
● 2026-03-11 04:36:56
● 2026-08-07 08:38:44

●NSns2.ymaws.com2026-03-11 → 2026-08-07 · 3 obs

○ 2026-03-06 20:39:10
● 2026-03-11 04:36:56
● 2026-08-07 08:38:44

○NSns27.worldnic.com2015-05-20 → 2026-03-06 · 4 obs

● 2015-05-20 19:19:10
● 2026-03-06 20:39:10
○ 2026-03-11 04:36:56
○ 2026-08-07 08:38:44

○NSns28.worldnic.com2015-05-20 → 2026-03-06 · 4 obs

● 2015-05-20 19:19:10
● 2026-03-06 20:39:10
○ 2026-03-11 04:36:56
○ 2026-08-07 08:38:44

●NSns3.ymaws.com2026-03-11 → 2026-08-07 · 3 obs

○ 2026-03-06 20:39:10
● 2026-03-11 04:36:56
● 2026-08-07 08:38:44

●NSns4.ymaws.com2026-03-11 → 2026-08-07 · 3 obs

○ 2026-03-06 20:39:10
● 2026-03-11 04:36:56
● 2026-08-07 08:38:44

●MXalt1.aspmx.l.google.com2026-03-11 → 2026-08-07 · 3 obs

○ 2026-03-06 20:39:10
● 2026-03-11 04:36:56
● 2026-08-07 08:38:44

●MXalt2.aspmx.l.google.com2026-03-11 → 2026-08-07 · 3 obs

○ 2026-03-06 20:39:10
● 2026-03-11 04:36:56
● 2026-08-07 08:38:44

●MXalt3.aspmx.l.google.com2026-03-11 → 2026-08-07 · 3 obs

○ 2026-03-06 20:39:10
● 2026-03-11 04:36:56
● 2026-08-07 08:38:44

●MXalt4.aspmx.l.google.com2026-03-11 → 2026-08-07 · 3 obs

○ 2026-03-06 20:39:10
● 2026-03-11 04:36:56
● 2026-08-07 08:38:44

●MXaspmx.l.google.com2026-03-11 → 2026-08-07 · 3 obs

○ 2026-03-06 20:39:10
● 2026-03-11 04:36:56
● 2026-08-07 08:38:44

○MXinbound.cmstudies.org.netsolmail.net2015-05-20 → 2016-03-25 · 4 obs

● 2015-05-20 19:19:10
● 2016-03-25 14:32:38
○ 2026-03-06 20:39:10
○ 2026-08-07 08:38:44

●A162.159.141.1682026-03-11 → 2026-08-07 · 3 obs

○ 2026-03-06 20:39:10
● 2026-03-11 04:36:56
● 2026-08-07 08:38:44

●A172.66.1.1642026-03-11 → 2026-08-07 · 3 obs

○ 2026-03-06 20:39:10
● 2026-03-11 04:36:56
● 2026-08-07 08:38:44

○A24.73.102.1822015-05-20 → 2026-03-06 · 4 obs

● 2015-05-20 19:19:10
● 2026-03-06 20:39:10
○ 2026-03-11 04:36:56
○ 2026-08-07 08:38:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
cmstudies.org	ns4.ymaws.com, ns1.ymaws.com, ns2.ymaws.com, ns3.ymaws.com	-

✅ Authoritative Response

Server:205.251.196.15

NS records: ns4.ymaws.com, ns1.ymaws.com, ns2.ymaws.com, ns3.ymaws.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cmstudies.org (unsigned zone)

⏱️ Timing

Total: 1539ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`162.159.141.168, 172.66.1.164`
NS	4	`ns1.ymaws.com, ns2.ymaws.com...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 mx include:spf.ymem.net ~all`
SOA	1	`ns1.ymaws.com dpichardo@yourmembership.c`

Analysis

IP Addresses

cmstudies.org has two IP addresses: 162.159.141.168 and 172.66.1.164

Among the host names that share IP numbers with cmstudies.org are ncwe.site-ym.com, srnt.site-ym.com, tccn.site-ym.com and two others.

Name Servers

The domain cmstudies.org is delegated to these four name servers: ns1.ymaws.com, ns2.ymaws.com, ns3.ymaws.com and ns4.ymaws.com.

At least some of cmstudies.org's name servers are shared with other domains, for example lsms.org, abcp.us, ymaws.com and two more.

ns1.ymaws.com resolves to 205.251.192.93. ns2.ymaws.com resolves to 205.251.195.209. ns3.ymaws.com resolves to 205.251.196.15. ns4.ymaws.com resolves to 205.251.199.240. All four hosts carry exactly one IP address.

Mail Servers

Five mail servers handle cmstudies.org: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

cmstudies.org shares at least some of its mail servers with other domains — for example bdinnovations.com, tracyholmesfineart.com, grootveld.com and two more.

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

Hosts with two IP numbers each:

aspmx.l.google.com resolves to two addresses: 142.251.111.27 and 2607:f8b0:4004:c1f::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

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

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

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