cfocsi.com - dns.ninja

`cfocsi.com`

DNSSEC	⚠️ Not signed
A	104.21.50.42^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.188^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`jocelyn.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aae^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ae^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jocelyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ae^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jocelyn.ns.cloudflare.com`
		A	108.162.192.174^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
		A	172.64.32.174^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
		A	173.245.58.174^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
MX	`cfocsi-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c803::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:f903::^{🇺🇸 Microsoft2a01:111:f000::/36}
		A	2a01:111:f403:f905::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.11.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
		A	52.101.41.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01406.inbound.protection.outlook.com`
		A	52.101.50.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00605.inbound.protection.outlook.com`
TXT	`MS=ms23943402`
TXT	`google-site-verification=y9b8KJB98VaXKA2oy8XN2bNpJ4Da6-g48z87HsERnKQ`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.42, 172.67.200.188
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2409848776

`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=1785069387

Same first word

cfocsi.com

Similar names

sifocc.com

scifco.com

ccofsi.com

ficocs.com

ficcos.com

csfoci.hu

icofcs.org

focsci.com

socfic.com

fccsoi.biz.id

fcciso.com

DNS History

7 records (5 active, 2 former)

●NSduke.ns.cloudflare.com2019-12-18 → 2026-07-26 · 2 obs

● 2019-12-18 01:08:12
● 2026-07-26 12:42:58

●NSjocelyn.ns.cloudflare.com2019-12-18 → 2026-07-26 · 2 obs

● 2019-12-18 01:08:12
● 2026-07-26 12:42:58

●MXcfocsi-com.mail.protection.outlook.com2019-12-18 → 2026-07-26 · 2 obs

● 2019-12-18 01:08:12
● 2026-07-26 12:42:58

●A104.21.50.422026-02-17 → 2026-07-26 · 3 obs

○ 2019-12-18 01:08:12
● 2026-02-17 22:21:36
● 2026-07-26 12:42:58

○A104.24.104.1032019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:08:12
○ 2026-02-17 22:21:36
○ 2026-07-26 12:42:58

○A104.24.105.1032019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:08:12
○ 2026-02-17 22:21:36
○ 2026-07-26 12:42:58

●A172.67.200.1882026-02-17 → 2026-07-26 · 3 obs

○ 2019-12-18 01:08:12
● 2026-02-17 22:21:36
● 2026-07-26 12:42:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cfocsi.com	duke.ns.cloudflare.com, jocelyn.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.110

NS records: duke.ns.cloudflare.com, jocelyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cfocsi.com (unsigned zone)

⏱️ Timing

Total: 228ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.200.188, 104.21.50.42`
NS	2	`duke.ns.cloudflare.com, jocelyn.ns.cloudflare.com`
MX	1	`cfocsi-com.mail.protection.outlook.com (`
TXT	3	`MS=ms23943402, google-site-verification=y9b8KJB98VaXKA2...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cfocsi.com directs to two IP numbers, 104.21.50.42 and 172.67.200.188

smartgridstack.digital, apoed.com, verge.zp.ua.cdn.cloudflare.net and two other host names share IP numbers with cfocsi.com.

Name Servers

The NS records for cfocsi.com delegate to duke.ns.cloudflare.com and jocelyn.ns.cloudflare.com.

cfocsi.com uses the same name servers as several other domains — among them bowsboutiques.com, siourdas.gr, krispymixes.com and two more.

cfocsi.com has at least partial name server overlap with other domains, such as sensors-symposium.com, raich.pl, sdjczg.cn and two others.

It is common to see these name servers used together with name servers marty.ns.cloudflare.com and martha.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

duke.ns.cloudflare.com maps to 108.162.193.110, 172.64.33.110, 173.245.59.110 and 3 additional IP addresses.

jocelyn.ns.cloudflare.com maps to 108.162.192.174, 172.64.32.174, 173.245.58.174 and 3 additional IP addresses.

Mail Servers

Mail for cfocsi.com is handled by a single mail server, cfocsi-com.mail.protection.outlook.com.

cfocsi-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.8.51, 52.101.11.3, 52.101.41.6 and 5 others.