cfo.com - dns.ninja

`cfo.com`

DNSSEC	⚠️ Not signed
A	2606:4700:440a::6812:20b5^{🇺🇸 Cloudflare2606:4700:440a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2a06:98c1:3101::ac40:9b4b^{🇺🇸 Cloudflare2a06:98c1:3101::/48} ✓ In HTTPS hints
A	104.18.32.181^{Cloudflare104.18.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.155.75^{🇺🇸 Cloudflare172.64.155.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ivy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c078^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2078^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivy.ns.cloudflare.com`
		A	108.162.192.120^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	172.64.32.120^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	173.245.58.120^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
NS	`sid.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sid.ns.cloudflare.com`
		A	108.162.193.143^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	172.64.33.143^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	173.245.59.143^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁷³⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁷⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`facebook-domain-verification=z6uaqv79jwuqf0mxyvz5i8iqky5iab`
TXT	`google-site-verification=KenNOMUoFcDVKFkrYIwqra9Gs9LwbTTNBcb6t2PjPxM`
TXT	`google-site-verification=pMuWdYPcKAr6H5ikbcmNkTmqRwyVWbF8q9sHl3O_jcI`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
TXT	`yahoo-verification-key=5k4H+9XaWZKhb+t0pyw2dA9WnfnFuLlry5+IjvGTc9c=`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.18.32.181, 172.64.155.75
		IPv6 hints	2606:4700:440a::6812:20b5, 2a06:98c1:3101::ac40:9b4b
SOA	`ivy.ns.cloudflare.com`dns@cloudflare.com serial=2411484783

`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=1786647804

rank #14737 globally
rank #7147 in the tld
WOT: SAFE (82/100)
📈 Tranco rank: #52,999

Subdomains

www.cfo.com

cdn.cfo.com

Same first word

cfo.nu

cfo.in

cfo.sk

cfo.careers

cfo.fi

cfo.ai

cfo.ventures

cfo.org.nz

cfo.com

cfo.de

cfo.org.br

cfo.company

cfo.pl

cfo.ua

cfo.ee

cfo.gov.ph

cfo.gr

cfo.zone

cfo.events

cfo.co

cfo.com.au

cfo.ch

cfo.healthcare

cfo.com.mx

cfo.su

cfo.us

cfo.org.vn

cfo.report

cfo.gov.ru

cfo.gov

cfo.be

cfo.org

cfo.coach

cfo.eu

cfo.biz

cfo.coop

cfo.systems

cfo.ca

cfo.neustar

cfo.lt

cfo.cn

cfo.me

cfo.team

cfo.ws

cfo.jp

cfo.fr

cfo.hu

cfo.la

cfo.cx

cfo.co.za

cfo.im

cfo.at

cfo.by

cfo.ph

cfo.vision

cfo.tv

cfo.international

cfo.li

cfo.es

cfo.edu.vn

cfo.rs

cfo.nl

cfo.dk

cfo.futbol

cfo.com.br

cfo.vn

cfo.ag

cfo.guru

cfo.on.ca

cfo.finance

cfo.or.jp

cfo.cl

cfo.email

cfo.lu

Similar names

fco.live

fco.pt

cof.church

cof.cl

ofc.be

ocf.hk

cof.com.br

foc.info

foc.gallery

ofc.dk

foc.ie

ofc.org.uk

ofc.cn

foc.org.au

fco.mobi

cof.net.nz

fco.ru

foc.net

fco.dk

cof.cn

cof.ac.uk

foc.is

fco.by

cof.no

ocf.dreamhosters.com

foc.ru

cof.at

cof.co.nz

ofc.org

foc.net.cn

ofc.net

ofc.se

foc.cz

ofc.com

ofc.ru

cof.de

foc.es

cof.it

foc.pl

foc.org.cy

ofc.bet

fco.it

cof.radom.pl

cof.ca

cof.cc

fco.es

fco.be

ofc.com.ua

fco.pl

cof.hr

ocf.cz

ofc.com.sa

fco.com.au

ofc.or.kr

ocf.cn

fco.co.il

ofc.xyz

fco.gov.uk

ofc.co.za

fco.co.nz

cof.com

ofc.nl

foc.cc

fco.at

foc.com

cof.be

foc.su

ofc.gr

ocf.sh

cof.com.au

DNS History

44 records (9 active, 35 former)

●NSivy.ns.cloudflare.com2021-03-03 → 2026-08-13 · 3 obs

○ 2020-04-13 06:52:58
● 2021-03-03 14:43:30
● 2026-08-13 19:08:12

○NSns-1272.awsdns-31.org2020-04-13 → 2020-04-13 · 4 obs

○ 2017-08-17 08:19:50
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○NSns-1970.awsdns-54.co.uk2020-04-13 → 2020-04-13 · 4 obs

○ 2017-08-17 08:19:50
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○NSns-40.awsdns-05.com2020-04-13 → 2020-04-13 · 4 obs

○ 2017-08-17 08:19:50
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○NSns-735.awsdns-27.net2020-04-13 → 2020-04-13 · 4 obs

○ 2017-08-17 08:19:50
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○NSns10.dnsmadeeasy.com2017-07-23 → 2017-08-17 · 5 obs

○ 2017-05-04 03:50:42
● 2017-07-23 13:21:58
● 2017-08-17 08:19:50
○ 2020-04-13 06:52:58
○ 2026-08-13 19:08:12

○NSns11.dnsmadeeasy.com2017-07-23 → 2017-08-17 · 5 obs

○ 2017-05-04 03:50:42
● 2017-07-23 13:21:58
● 2017-08-17 08:19:50
○ 2020-04-13 06:52:58
○ 2026-08-13 19:08:12

○NSns12.dnsmadeeasy.com2017-07-23 → 2017-08-17 · 5 obs

○ 2017-05-04 03:50:42
● 2017-07-23 13:21:58
● 2017-08-17 08:19:50
○ 2020-04-13 06:52:58
○ 2026-08-13 19:08:12

○NSns13.dnsmadeeasy.com2017-07-23 → 2017-08-17 · 5 obs

○ 2017-05-04 03:50:42
● 2017-07-23 13:21:58
● 2017-08-17 08:19:50
○ 2020-04-13 06:52:58
○ 2026-08-13 19:08:12

○NSns14.dnsmadeeasy.com2017-07-23 → 2017-08-17 · 5 obs

○ 2017-05-04 03:50:42
● 2017-07-23 13:21:58
● 2017-08-17 08:19:50
○ 2020-04-13 06:52:58
○ 2026-08-13 19:08:12

○NSns15.dnsmadeeasy.com2017-07-23 → 2017-08-17 · 5 obs

○ 2017-05-04 03:50:42
● 2017-07-23 13:21:58
● 2017-08-17 08:19:50
○ 2020-04-13 06:52:58
○ 2026-08-13 19:08:12

○NSnsgbr.comlaude.co.uk2015-09-04 → 2017-05-04 · 4 obs

● 2015-09-04 01:33:22
● 2017-05-04 03:50:42
○ 2017-07-23 13:21:58
○ 2026-08-13 19:08:12

○NSnssui.comlaude.ch2015-09-04 → 2017-05-04 · 4 obs

● 2015-09-04 01:33:22
● 2017-05-04 03:50:42
○ 2017-07-23 13:21:58
○ 2026-08-13 19:08:12

○NSnsusa.comlaude.net2015-09-04 → 2017-05-04 · 4 obs

● 2015-09-04 01:33:22
● 2017-05-04 03:50:42
○ 2017-07-23 13:21:58
○ 2026-08-13 19:08:12

●NSsid.ns.cloudflare.com2021-03-03 → 2026-08-13 · 3 obs

○ 2020-04-13 06:52:58
● 2021-03-03 14:43:30
● 2026-08-13 19:08:12

○MXalt1.aspmx.l.google.com2015-09-04 → 2020-04-13 · 4 obs

● 2015-09-04 01:33:22
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○MXalt2.aspmx.l.google.com2015-09-04 → 2020-04-13 · 4 obs

● 2015-09-04 01:33:22
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○MXaspmx.l.google.com2015-09-04 → 2020-04-13 · 4 obs

● 2015-09-04 01:33:22
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○MXaspmx2.googlemail.com2015-09-04 → 2020-04-13 · 4 obs

● 2015-09-04 01:33:22
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○MXaspmx3.googlemail.com2015-09-04 → 2020-04-13 · 4 obs

● 2015-09-04 01:33:22
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○MXin1-smtp.messagingengine.com2021-03-03 → 2021-03-03 · 4 obs

○ 2020-04-13 06:52:58
● 2021-03-03 14:43:30
○ 2026-02-16 13:36:10
○ 2026-08-13 19:08:12

○MXin2-smtp.messagingengine.com2021-03-03 → 2021-03-03 · 4 obs

○ 2020-04-13 06:52:58
● 2021-03-03 14:43:30
○ 2026-02-16 13:36:10
○ 2026-08-13 19:08:12

●MXroute1.mx.cloudflare.net2026-02-16 → 2026-08-13 · 3 obs

○ 2021-03-03 14:43:30
● 2026-02-16 13:36:10
● 2026-08-13 19:08:12

●MXroute2.mx.cloudflare.net2026-02-16 → 2026-08-13 · 3 obs

○ 2021-03-03 14:43:30
● 2026-02-16 13:36:10
● 2026-08-13 19:08:12

●MXroute3.mx.cloudflare.net2026-02-16 → 2026-08-13 · 3 obs

○ 2021-03-03 14:43:30
● 2026-02-16 13:36:10
● 2026-08-13 19:08:12

●A104.18.32.1812026-02-16 → 2026-08-13 · 3 obs

○ 2021-03-03 14:43:30
● 2026-02-16 13:36:10
● 2026-08-13 19:08:12

○A104.26.10.1732021-03-03 → 2021-03-03 · 4 obs

○ 2020-04-13 06:52:58
● 2021-03-03 14:43:30
○ 2026-02-16 13:36:10
○ 2026-08-13 19:08:12

○A104.26.11.1732021-03-03 → 2021-03-03 · 4 obs

○ 2020-04-13 06:52:58
● 2021-03-03 14:43:30
○ 2026-02-16 13:36:10
○ 2026-08-13 19:08:12

●A172.64.155.752026-02-16 → 2026-08-13 · 3 obs

○ 2021-03-03 14:43:30
● 2026-02-16 13:36:10
● 2026-08-13 19:08:12

○A172.67.69.262021-03-03 → 2021-03-03 · 4 obs

○ 2020-04-13 06:52:58
● 2021-03-03 14:43:30
○ 2026-02-16 13:36:10
○ 2026-08-13 19:08:12

○A23.21.220.1602015-09-04 → 2017-08-17 · 4 obs

● 2015-09-04 01:33:22
● 2017-08-17 08:19:50
○ 2020-04-13 06:52:58
○ 2026-08-13 19:08:12

○A2606:4700:20::681a:aad2021-03-03 → 2021-03-03 · 4 obs

○ 2020-04-13 06:52:58
● 2021-03-03 14:43:30
○ 2026-02-16 13:36:10
○ 2026-08-13 19:08:12

○A2606:4700:20::681a:bad2021-03-03 → 2021-03-03 · 4 obs

○ 2020-04-13 06:52:58
● 2021-03-03 14:43:30
○ 2026-02-16 13:36:10
○ 2026-08-13 19:08:12

○A2606:4700:20::ac43:451a2021-03-03 → 2021-03-03 · 4 obs

○ 2020-04-13 06:52:58
● 2021-03-03 14:43:30
○ 2026-02-16 13:36:10
○ 2026-08-13 19:08:12

●A2606:4700:440a::6812:20b52026-07-01 → 2026-08-13 · 3 obs

○ 2026-06-17 17:22:58
● 2026-07-01 23:55:00
● 2026-08-13 19:08:12

○A2a06:98c1:3100::6812:20b52026-02-16 → 2026-06-17 · 5 obs

○ 2021-03-03 14:43:30
● 2026-02-16 13:36:10
● 2026-06-17 17:22:58
○ 2026-07-01 23:55:00
○ 2026-08-13 19:08:12

●A2a06:98c1:3101::ac40:9b4b2026-07-01 → 2026-08-13 · 3 obs

○ 2026-06-17 17:22:58
● 2026-07-01 23:55:00
● 2026-08-13 19:08:12

○A2a06:98c1:3102::ac40:9b4b2026-02-16 → 2026-06-17 · 5 obs

○ 2021-03-03 14:43:30
● 2026-02-16 13:36:10
● 2026-06-17 17:22:58
○ 2026-07-01 23:55:00
○ 2026-08-13 19:08:12

○A34.196.87.932020-04-13 → 2020-04-13 · 4 obs

○ 2017-08-17 08:19:50
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○A50.16.161.1982020-04-13 → 2020-04-13 · 4 obs

○ 2017-08-17 08:19:50
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○A52.5.176.1642020-04-13 → 2020-04-13 · 4 obs

○ 2017-08-17 08:19:50
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○A52.6.239.1382020-04-13 → 2020-04-13 · 4 obs

○ 2017-08-17 08:19:50
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○A52.87.108.382020-04-13 → 2020-04-13 · 4 obs

○ 2017-08-17 08:19:50
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

○A54.82.2.112020-04-13 → 2020-04-13 · 4 obs

○ 2017-08-17 08:19:50
● 2020-04-13 06:52:58
○ 2021-03-03 14:43:30
○ 2026-08-13 19:08:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cfo.com	sid.ns.cloudflare.com, ivy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.120

NS records: sid.ns.cloudflare.com, ivy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cfo.com (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.64.155.75, 104.18.32.181`
AAAA	2	`2a06:98c1:3101::ac40:9b4b, 2606:4700:440a::6812:20b5`
NS	2	`ivy.ns.cloudflare.com, sid.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 36), route1.mx.cloudflare.net (pri: 73)...`
TXT	5	`facebook-domain-verification=z6uaqv79jwu, google-site-verification=KenNOMUoFcDVKFk...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ivy.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (sid.ns.cloudflare.com, sid.ns.cloudflare.com, sid.ns.cloudflare.com...)

Analysis

Hierarchy

The parent domain of www.cfo.com and cdn.cfo.com is cfo.com.

IP Addresses

cfo.com directs to four IP numbers, which are 104.18.32.181, 172.64.155.75, 2606:4700:440a::6812:20b5 and 2a06:98c1:3101::ac40:9b4b.

Among the host names that share IP numbers with cfo.com are npmjs.cmco.io, thebankandtrust.bank, sagelinkup.net and two others.

Name Servers

cfo.com is served by two delegated name servers, ivy.ns.cloudflare.com and sid.ns.cloudflare.com.

cfo.com has the same name server delegation as a number of other domains, such as hazegame.top, hoteldive.com, suitinvest.top and two more.

At least some of cfo.com's name servers are shared with other domains, for example fifthcat.top, eyepaste.com, hobby4sure.com and two more.

Host names resolving to 6 IP numbers:

ivy.ns.cloudflare.com carries IP addresses 108.162.192.120, 172.64.32.120 and 173.245.58.120, with 3 other addresses beyond those.

sid.ns.cloudflare.com carries IP addresses 108.162.193.143, 172.64.33.143 and 173.245.59.143, with 3 other addresses beyond those.

Mail Servers

The MX records for cfo.com list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

cfo.com shares at least some of its mail servers with other domains — for example rebet24it.org, outsharked.com, ersthost.com and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.