`s006.cloudmark.com`

DNSSEC	⚠️ Not signed
A	208.83.137.27^{🇺🇸 Proofpoint208.83.137.0/24 925 W Maude Ave Sunnyvale CA 94085 United States}
		PTR	`fb005.cloudmark.com`
		PTR	`fb006.cloudmark.com`
		PTR	`s005.cloudmark.com`
		PTR	`s006.cloudmark.com`

`cloudmark.com`

	DNSSEC	⚠️ Not signed
	A	45.60.151.207^{🇺🇸 IMPERVA45.60.151.0/24 ORIXCOM via EMIX}
	A	45.60.171.207^{🇺🇸 IMPERVA45.60.171.0/24 ORIXCOM via EMIX}
	NS	`ns1.proofpoint.com` ⭐
	NS	`ns3.proofpoint.com`
	NS	`pdns99.ultradns.biz`
	NS	`pdns99.ultradns.com`
	NS	`pdns99.ultradns.net`
	NS	`pdns99.ultradns.org`
	MX	`mxa-00148501.gslb.pphosted.com` ⭐
	MX	`mxb-00148501.gslb.pphosted.com` ⭐
	MX	`mx0a-00148501.pphosted.com`⁽¹⁵⁾
	MX	`mx0b-00148501.pphosted.com`⁽¹⁵⁾
	TXT	`v=spf1 include:spf-00148501.pphosted.com include:spf-00148503.pphosted.com in...`
	TXT	`MS=ms87203780`
	TXT	`google-site-verification=tIC5wynNyvZHcI0dVoi9D3OysdR1p2f8m49Gn3ApDls`
	TXT	`google-site-verification=wRb80Hts2KZgvLsqI9GHd1N9mD4BZCSVOJ1V59TFA0o`
	SOA	`ns1.proofpoint.com`ops@proofpoint.com 2021-04-18 #92

WOT: SAFE (88/100)
rank #110055 globally
rank #49930 in the tld
WOT: SAFE (88/100)
📈 Tranco rank: #13,110

PTR for

27.137.83.208.in-addr.arpa

MX for

submit.cloudmark.com

Same first word

s006.com

Similar names

s600.com

006s.com

s600.cc

060s.com

600s.yolasite.com

s600.bet

s600.de

600s.ru

600s.com

s600.com.cn

DNS History

1 record (1 active, 0 former)

●A208.83.137.272026-02-15 → 2026-03-08 · 2 obs

● 2026-02-15 01:23:22
● 2026-03-08 06:34:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...	-
cloudmark.com	ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.net, pdns99.ultradns.com...	6 records

✅ Authoritative Response

Server: 156.154.66.99

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 cloudmark.com (unsigned zone)

⏱️ Timing

Total: 444ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.83.137.27`

📌 Glue Records Collected

Total: 6

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

Analysis

Mail Server Role

s006.cloudmark.com functions as a mail server for submit.cloudmark.com.

Commonly used as mail server together with s006.cloudmark.com are s001.cloudmark.com, s002.cloudmark.com and s003.cloudmark.com.

IP Addresses

s006.cloudmark.com points to IP number: 208.83.137.27.

Other host names such as s005.cloudmark.com, fb005.cloudmark.com and fb006.cloudmark.com share IP numbers with s006.cloudmark.com.

s006.cloudmark.com - robtex.com