`mail.knowbrainer.com`

	CNAME	`mail.cs.zohohost.com`
	CNAME	`zs-us4-lczhost.zohohost.com`
	DNSSEC	⚠️ Not signed
	A	204.141.42.199^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}

`knowbrainer.com`

	DNSSEC	⚠️ Not signed
	A	162.241.224.50^{🇺🇸 ORACLE-OCI-31898162.241.224.0/21 Google}
	NS	`ns1.bluehost.com` ⭐
	NS	`ns2.bluehost.com`
	MX	`mx2.zoho.com` ⭐
	MX	`mx3.zoho.com`⁽²⁰⁾
	MX	`mx.zoho.com`⁽⁵⁰⁾
	TXT	`v=spf1 ip4:45.61.51.81 include:zohomail.com ~all`
	TXT	`zoho-verification=zb55511559.zmverify.zoho.com`
	SOA	`ns1.bluehost.com`root@box5159.bluehost.com 2025-03-19 #0

WOT: SAFE (61/100)
WOT: SAFE (67/100)

PTR for

81.51.61.45.in-addr.arpa

Previously MX for

knowbrainer.com

www.knowbrainer.com

Same first word

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mail.mydns.tw

mail.report

mail.fail

mail.gov.ee

mail.blogspot.com

mail.gob.bo

mail.dnsfor.me

mail.dix.asia

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mail.co.uk

mail.net.mk

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DNS History

3 records (1 active, 2 former)

○A192.24.14.1392015-05-24 → 2016-07-19 · 5 obs

○ 2007-11-21 01:36:20
● 2015-05-24 11:16:30
● 2016-07-19 06:06:36
○ 2026-04-13 03:19:48
○ 2026-04-13 03:19:50

○A70.151.94.802007-11-21 → 2007-11-21 · 3 obs

● 2007-11-21 01:36:20
○ 2015-05-24 11:16:30
○ 2026-04-13 03:19:50

●CNAMEmail.cs.zohohost.com2026-04-13 → 2026-04-13 · 2 obs

● 2026-04-13 03:19:48
● 2026-04-13 03:19:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knowbrainer.com	ns1.bluehost.com, ns2.bluehost.com	2 records

✅ Authoritative Response

Server:162.159.24.80

NS records: ns1.bluehost.com, ns2.bluehost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowbrainer.com (unsigned zone)

⏱️ Timing

Total: 238ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.cs.zohohost.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.bluehost.com, ns2.bluehost.com)

Analysis

IP Addresses

mail.knowbrainer.com maps to IP address 204.141.42.199.

Other host names, for instance zohocorp.com.zohobusiness.com, rjpinfotek.com, com.zohobusiness.com, acds.email and business.zoho.com share IP numbers with mail.knowbrainer.com.

mail.knowbrainer.com - robtex.com