cmath.org - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

cmath.org

DNSSEC🔒 Signed (DS record present)
NSns-cloud-e1.googledomains.com ⭐
A2001:4860:4802:32::6e🇺🇸 Google2001:4860::/32
PTRns-cloud-e1.googledomains.com
A216.239.32.110🇺🇸 Google216.239.32.0/24
PTRns-cloud-e1.googledomains.com
NSns-cloud-e2.googledomains.com
A2001:4860:4802:34::6e🇺🇸 Google2001:4860::/32
PTRns-cloud-e2.googledomains.com
A216.239.34.110🇺🇸 Google216.239.34.0/24
PTRns-cloud-e2.googledomains.com
NSns-cloud-e3.googledomains.com
A2001:4860:4802:36::6e🇺🇸 Google2001:4860::/32
PTRns-cloud-e3.googledomains.com
A216.239.36.110🇺🇸 Google216.239.36.0/24
PTRns-cloud-e3.googledomains.com
NSns-cloud-e4.googledomains.com
A2001:4860:4802:38::6e🇺🇸 Google2001:4860::/32
PTRns-cloud-e4.googledomains.com
A216.239.38.110🇺🇸 Google216.239.38.0/24
PTRns-cloud-e4.googledomains.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c2d::1a🇺🇸 Google2607:f8b0:4004::/48
PTRry-in-f26.1e100.net
A142.251.111.26🇺🇸 Google142.251.111.0/24
PTRbk-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c14::1a🇨🇱 Google2800:3f0:4003::/48
A192.178.234.27🇺🇸 Google192.178.0.0/15
PTRncsclj-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.26🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTv=spf1 include:_spf.google.com ~all
SOAns-cloud-e1.googledomains.comcloud-dns-hostmaster@google.com serial=4

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1786927556

Same first word

cmath.org
cmath.co.kr
cmath.fr
cmath.com
cmath.eu
cmath.net
cmath.cn
cmath.xyz

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DNS History

21 records (9 active, 12 former)

20162017201820192020202120222023202420252026NSns-cloud-e1.googledomains.comns-cloud-e2.googledomains.comns-cloud-e3.googledomains.comns-cloud-e4.googledomains.comns1.domain.comns2.domain.comns73.domaincontrol.comns74.domaincontrol.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commailstore1.secureserver.netmx.cmath.orgsmtp.secureserver.netA184.168.221.37185.199.108.153185.199.109.153185.199.110.153185.199.111.153
●NSns-cloud-e1.googledomains.com2026-08-03 → 2026-08-17 · 3 obs
○ 2020-04-20 09:21:28
● 2026-08-03 10:21:40
● 2026-08-17 00:58:22
●NSns-cloud-e2.googledomains.com2026-08-03 → 2026-08-17 · 3 obs
○ 2020-04-20 09:21:28
● 2026-08-03 10:21:40
● 2026-08-17 00:58:22
●NSns-cloud-e3.googledomains.com2026-08-03 → 2026-08-17 · 3 obs
○ 2020-04-20 09:21:28
● 2026-08-03 10:21:40
● 2026-08-17 00:58:22
●NSns-cloud-e4.googledomains.com2026-08-03 → 2026-08-17 · 3 obs
○ 2020-04-20 09:21:28
● 2026-08-03 10:21:40
● 2026-08-17 00:58:22
○NSns1.domain.com2020-04-20 → 2020-04-20 · 4 obs
○ 2017-06-20 13:17:24
● 2020-04-20 09:21:28
○ 2026-08-03 10:21:40
○ 2026-08-17 00:58:22
○NSns2.domain.com2020-04-20 → 2020-04-20 · 4 obs
○ 2017-06-20 13:17:24
● 2020-04-20 09:21:28
○ 2026-08-03 10:21:40
○ 2026-08-17 00:58:22
○NSns73.domaincontrol.com2015-06-22 → 2017-06-20 · 4 obs
● 2015-06-22 11:39:32
● 2017-06-20 13:17:24
○ 2020-04-20 09:21:28
○ 2026-08-17 00:58:22
○NSns74.domaincontrol.com2015-06-22 → 2017-06-20 · 4 obs
● 2015-06-22 11:39:32
● 2017-06-20 13:17:24
○ 2020-04-20 09:21:28
○ 2026-08-17 00:58:22
●MXalt1.aspmx.l.google.com2026-08-03 → 2026-08-17 · 3 obs
○ 2020-04-20 09:21:28
● 2026-08-03 10:21:40
● 2026-08-17 00:58:22
●MXalt2.aspmx.l.google.com2026-08-03 → 2026-08-17 · 3 obs
○ 2020-04-20 09:21:28
● 2026-08-03 10:21:40
● 2026-08-17 00:58:22
●MXalt3.aspmx.l.google.com2026-08-03 → 2026-08-17 · 3 obs
○ 2020-04-20 09:21:28
● 2026-08-03 10:21:40
● 2026-08-17 00:58:22
●MXalt4.aspmx.l.google.com2026-08-03 → 2026-08-17 · 3 obs
○ 2020-04-20 09:21:28
● 2026-08-03 10:21:40
● 2026-08-17 00:58:22
●MXaspmx.l.google.com2026-08-03 → 2026-08-17 · 3 obs
○ 2020-04-20 09:21:28
● 2026-08-03 10:21:40
● 2026-08-17 00:58:22
○MXmailstore1.secureserver.net2015-06-22 → 2017-06-20 · 4 obs
● 2015-06-22 11:39:32
● 2017-06-20 13:17:24
○ 2020-04-20 09:21:28
○ 2026-08-17 00:58:22
○MXmx.cmath.org2020-04-20 → 2020-04-20 · 4 obs
○ 2017-06-20 13:17:24
● 2020-04-20 09:21:28
○ 2026-08-03 10:21:40
○ 2026-08-17 00:58:22
○MXsmtp.secureserver.net2015-06-22 → 2017-06-20 · 4 obs
● 2015-06-22 11:39:32
● 2017-06-20 13:17:24
○ 2020-04-20 09:21:28
○ 2026-08-17 00:58:22
○A184.168.221.372015-06-22 → 2017-06-20 · 4 obs
● 2015-06-22 11:39:32
● 2017-06-20 13:17:24
○ 2020-04-20 09:21:28
○ 2026-08-17 00:58:22
○A185.199.108.1532020-04-20 → 2020-04-20 · 4 obs
○ 2017-06-20 13:17:24
● 2020-04-20 09:21:28
○ 2026-08-03 10:21:40
○ 2026-08-17 00:58:22
○A185.199.109.1532020-04-20 → 2020-04-20 · 4 obs
○ 2017-06-20 13:17:24
● 2020-04-20 09:21:28
○ 2026-08-03 10:21:40
○ 2026-08-17 00:58:22
○A185.199.110.1532020-04-20 → 2020-04-20 · 4 obs
○ 2017-06-20 13:17:24
● 2020-04-20 09:21:28
○ 2026-08-03 10:21:40
○ 2026-08-17 00:58:22
○A185.199.111.1532020-04-20 → 2020-04-20 · 4 obs
○ 2017-06-20 13:17:24
● 2020-04-20 09:21:28
○ 2026-08-03 10:21:40
○ 2026-08-17 00:58:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
cmath.orgns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com, ns-cloud-e1.googledomains.com-

✅ Authoritative Response

Server:216.239.32.110

NS records: ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com, ns-cloud-e1.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 931ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-cloud-e4.googledomains.com, ns-cloud-e2.googledomains.com...
MX5alt1.aspmx.l.google.com (pri: 5), alt4.aspmx.l.google.com (pri: 10)...
TXT1v=spf1 include:_spf.google.com ~all
SOA1ns-cloud-e1.googledomains.com cloud-dns-

Analysis

Name Servers

Four name servers handle the delegation for cmath.org: ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com and ns-cloud-e4.googledomains.com.

cmath.org has at least partial name server overlap with other domains, such as happylandtoys.com, nerdmonster.net, leyambercollective.com and two others.

ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com and ns-cloud-e4.googledomains.com all point to exactly two IP numbers each: ns-cloud-e1.googledomains.com → 216.239.32.110 and 2001:4860:4802:32::6e; ns-cloud-e2.googledomains.com → 216.239.34.110 and 2001:4860:4802:34::6e; ns-cloud-e3.googledomains.com → 216.239.36.110 and 2001:4860:4802:36::6e; ns-cloud-e4.googledomains.com → 216.239.38.110 and 2001:4860:4802:38::6e.

Mail Servers

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

At least some of the mail servers used by cmath.org are shared with other domains: busikul.com, ns500731.ns500731.ns500742.ns500754.ns500742.ns500742.ns500731.ns500705.ns500671.ns500678.ns500705.ns500678.ns500671.lusty(0x736c7574)z.com, prosoundweb.com.cdn.cloudflare.net and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to two addresses: 142.251.111.26 and 2607:f8b0:4004:c2d::1a.

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

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.

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