`cloudmarklabs.com`

DNSSEC	⚠️ Not signed
A	54.244.247.63^{🇺🇸 Amazon54.244.128.0/17 EC2 PDX prefix}
		PTR	`ec2-54-244-247-63.us-west-2.compute.amazonaws.com`
NS	`ns1.proofpoint.com` ⭐
		A	2620:100:9000:1::d0^{🇺🇸 Proofpoint2620:100:9000::/47 Inc.}
			PTR	`ns1.proofpoint.com`
		A	208.84.67.208^{🇺🇸 Proofpoint208.84.67.0/24 Inc.}
			PTR	`ns1-at1.proofpoint.com`
			PTR	`ns1.proofpoint.com`
			PTR	`ns5.proofpoint.com`
NS	`ns3.proofpoint.com`
		A	2620:100:9004:1::d0^{🇺🇸 Proofpoint2620:100:9004::/47 Inc.}
			PTR	`ns3.proofpoint.com`
		A	208.84.66.208^{🇺🇸 Proofpoint208.84.66.0/24 Inc.}
			PTR	`ns1-sc4.proofpoint.com`
			PTR	`ns2.proofpoint.com`
			PTR	`ns3.proofpoint.com`
			PTR	`ns4.proofpoint.com`
NS	`pdns99.ultradns.biz`
		A	2610:a1:1015::87^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns99.ultradns.biz`
		A	156.154.66.99^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns99.ultradns.biz`
NS	`pdns99.ultradns.com`
		A	2001:502:f3ff::87^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns99.ultradns.com`
		A	156.154.64.99^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns99.ultradns.com`
NS	`pdns99.ultradns.net`
		A	2610:a1:1014::87^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns99.ultradns.net`
		A	156.154.65.99^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns99.ultradns.net`
NS	`pdns99.ultradns.org`
		A	2001:502:4612::87^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns99.ultradns.org`
		A	156.154.67.99^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns99.ultradns.org`
MX	`cmgw1.cloudmark.com` ⭐
		A	208.83.136.25^{🇺🇸 AS13916208.83.136.0/24 Proofpoint Inc}
			PTR	`cmgw1.cloudmark.com`
			PTR	`mail.cloudmark.com`
MX	`cmgw3.cloudmark.com`⁽²⁰⁾
		A	208.83.137.59^{🇺🇸 Proofpoint208.83.137.0/24 925 W Maude Ave Sunnyvale CA 94085 United States}
			PTR	`cmgw3.cloudmark.com`
			PTR	`mail.cloudmark.com`
TXT	`v=spf1 -all`
SOA	`ns1.proofpoint.com`ops@proofpoint.com 2020-12-09 #10

`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=1774848982

Same first word

cloudmarklabs.com

DNS History

17 records (9 active, 8 former)

○NSns-a.pnap.net2015-07-18 → 2018-05-27 · 4 obs

● 2015-07-18 23:55:42
● 2018-05-27 15:24:24
○ 2021-11-29 16:33:26
○ 2026-03-30 05:56:48

○NSns-b.pnap.net2015-07-18 → 2018-05-27 · 4 obs

● 2015-07-18 23:55:42
● 2018-05-27 15:24:24
○ 2021-11-29 16:33:26
○ 2026-03-30 05:56:48

○NSns-c.pnap.net2015-07-18 → 2018-05-27 · 4 obs

● 2015-07-18 23:55:42
● 2018-05-27 15:24:24
○ 2021-11-29 16:33:26
○ 2026-03-30 05:56:48

○NSns-d.pnap.net2015-07-18 → 2018-05-27 · 4 obs

● 2015-07-18 23:55:42
● 2018-05-27 15:24:24
○ 2021-11-29 16:33:26
○ 2026-03-30 05:56:48

●NSns1.proofpoint.com2021-11-29 → 2026-03-30 · 3 obs

○ 2018-05-27 15:24:24
● 2021-11-29 16:33:26
● 2026-03-30 05:56:48

○NSns3.cloudmark.com2015-07-18 → 2018-05-27 · 4 obs

● 2015-07-18 23:55:42
● 2018-05-27 15:24:24
○ 2021-11-29 16:33:26
○ 2026-03-30 05:56:48

●NSns3.proofpoint.com2021-11-29 → 2026-03-30 · 3 obs

○ 2018-05-27 15:24:24
● 2021-11-29 16:33:26
● 2026-03-30 05:56:48

○NSns4.cloudmark.com2015-07-18 → 2018-05-27 · 4 obs

● 2015-07-18 23:55:42
● 2018-05-27 15:24:24
○ 2021-11-29 16:33:26
○ 2026-03-30 05:56:48

●NSpdns99.ultradns.biz2021-11-29 → 2026-03-30 · 3 obs

○ 2018-05-27 15:24:24
● 2021-11-29 16:33:26
● 2026-03-30 05:56:48

●NSpdns99.ultradns.com2021-11-29 → 2026-03-30 · 3 obs

○ 2018-05-27 15:24:24
● 2021-11-29 16:33:26
● 2026-03-30 05:56:48

●NSpdns99.ultradns.net2021-11-29 → 2026-03-30 · 3 obs

○ 2018-05-27 15:24:24
● 2021-11-29 16:33:26
● 2026-03-30 05:56:48

●NSpdns99.ultradns.org2021-11-29 → 2026-03-30 · 3 obs

○ 2018-05-27 15:24:24
● 2021-11-29 16:33:26
● 2026-03-30 05:56:48

●MXcmgw1.cloudmark.com2015-07-18 → 2026-03-30 · 2 obs

● 2015-07-18 23:55:42
● 2026-03-30 05:56:48

●MXcmgw3.cloudmark.com2015-07-18 → 2026-03-30 · 2 obs

● 2015-07-18 23:55:42
● 2026-03-30 05:56:48

○A208.83.136.392015-07-18 → 2016-09-16 · 4 obs

● 2015-07-18 23:55:42
● 2016-09-16 06:53:52
○ 2018-05-27 15:24:24
○ 2026-03-30 05:56:48

○A208.83.136.862018-05-27 → 2018-05-27 · 4 obs

○ 2016-09-16 06:53:52
● 2018-05-27 15:24:24
○ 2021-11-29 16:33:26
○ 2026-03-30 05:56:48

●A54.244.247.632021-11-29 → 2026-03-30 · 3 obs

○ 2018-05-27 15:24:24
● 2021-11-29 16:33:26
● 2026-03-30 05:56:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cloudmarklabs.com	ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.net, pdns99.ultradns.com...	6 records

✅ Authoritative Response

Server:156.154.64.99

NS records: ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.net, pdns99.ultradns.com, pdns99.ultradns.biz, pdns99.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cloudmarklabs.com (unsigned zone)

⏱️ Timing

Total: 433ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.244.247.63`
NS	6	`ns1.proofpoint.com, ns3.proofpoint.com...`
MX	2	`cmgw1.cloudmark.com (pri: 10), cmgw3.cloudmark.com (pri: 20)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.proofpoint.com ops.proofpoint.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.proofpoint.com, ns1.proofpoint.com, ns3.proofpoint.com...)

Analysis

IP Addresses

cloudmarklabs.com points to IP number 54.244.247.63.

For instance, other host names cloudmark.net, bizenga.com, www.spamnet.com, cloudmark.it and cloudmark.org share IP numbers with cloudmarklabs.com.

Name Servers

cloudmarklabs.com is delegated to six name servers: pdns99.ultradns.biz, ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.com, pdns99.ultradns.net and pdns99.ultradns.org.

cloudmarklabs.com shares name servers with other domains at least partially, for example g1ic.com, cloudmark-enterprise.org, theguardiangeneralagent.com, emrturkey.com and taurus21.com.

These name servers are commonly used with infoblox-sc4.ppops.net.

Host names with two IPs:

pdns99.ultradns.biz ->2610:a1:1015::87 and 156.154.66.99

ns1.proofpoint.com ->2620:100:9000:1::d0 and 208.84.67.208

ns3.proofpoint.com ->2620:100:9004:1::d0 and 208.84.66.208

pdns99.ultradns.com ->2001:502:f3ff::87 and 156.154.64.99

pdns99.ultradns.net ->2610:a1:1014::87 and 156.154.65.99

pdns99.ultradns.org ->2001:502:4612::87 and 156.154.67.99

Mail Servers

Two mail servers cmgw1.cloudmark.com and cmgw3.cloudmark.com handle cloudmarklabs.com.

cloudmarklabs.com shares the same mail server setup as other domains, for instance cloudmark.it, cloudmark.org, cloudmarkenterprise.net, cloudmark.pl and cloudmarkdesktopone.com.

cloudmarklabs.com shares some mail servers with other domains, at least partially; examples include cmgw3.cloudmark.com, cmgw1.cloudmark.com and plugandmail.com.

Host names with one IP number:

cmgw1.cloudmark.com points to: 208.83.136.25.

cmgw3.cloudmark.com points to: 208.83.137.59.

cloudmarklabs.com - robtex.com