`fcbackoffice.com`

DNSSEC	⚠️ Not signed
A	104.21.48.32^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.176.109^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`courtney.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2682^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c282^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`courtney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2282^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`courtney.ns.cloudflare.com`
		A	108.162.194.130^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	162.159.38.130^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	172.64.34.130^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
NS	`dave.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dave.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dave.ns.cloudflare.com`
		A	108.162.193.109^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	172.64.33.109^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	173.245.59.109^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.21.48.32, 172.67.176.109
SOA	`courtney.ns.cloudflare.com`dns@cloudflare.com serial=2397307125

`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=1774380272

⚠️ On DNS blocklist: tif

Same first word

fcbackoffice.net

fcbackoffice.com

DNS History

4 records (4 active, 0 former)

●NScourtney.ns.cloudflare.com2026-03-19 → 2026-03-24 · 2 obs

● 2026-03-19 01:43:26
● 2026-03-24 19:25:36

●NSdave.ns.cloudflare.com2026-03-19 → 2026-03-24 · 2 obs

● 2026-03-19 01:43:26
● 2026-03-24 19:25:36

●A104.21.48.322026-03-19 → 2026-03-24 · 2 obs

● 2026-03-19 01:43:26
● 2026-03-24 19:25:36

●A172.67.176.1092026-03-19 → 2026-03-24 · 2 obs

● 2026-03-19 01:43:26
● 2026-03-24 19:25:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
fcbackoffice.com	dave.ns.cloudflare.com, courtney.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.130

NS records: dave.ns.cloudflare.com, courtney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fcbackoffice.com (unsigned zone)

⏱️ Timing

Total: 101ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.48.32, 172.67.176.109`
NS	2	`courtney.ns.cloudflare.com, dave.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`courtney.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

fcbackoffice.com resolves to two IP numbers: 104.21.48.32 and 172.67.176.109.

Other host names, for instance argtour.com, icma.az, andonovski.net, m.xigua01.com and sentra88industries.click share IP numbers with fcbackoffice.com.

Name Servers

fcbackoffice.com has two name servers: courtney.ns.cloudflare.com and dave.ns.cloudflare.com.

fcbackoffice.com shares the same name server setup as other domains, for example guideblogging.com, mumazing.app, artsguildtheatre.co.uk, lumentree.net and wedohomeloansforyou.com.

fcbackoffice.com shares some name servers with other domains, for example chaosred.com, 417760.com, physliteracy.co.uk, woxa.com and ihomeswap.co.uk.

These name servers are commonly used together with mimi.ns.cloudflare.com and dana.ns.cloudflare.com.

Host names with six IP numbers: courtney.ns.cloudflare.com points to: 2606:4700:50::a29f:2682, 2803:f800:50::6ca2:c282, 2a06:98c1:50::ac40:2282, 108.162.194.130, 162.159.38.130 and 172.64.34.130; dave.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6d, 2803:f800:50::6ca2:c16d, 2a06:98c1:50::ac40:216d, 108.162.193.109, 172.64.33.109 and 173.245.59.109.

fcbackoffice.com - robtex.com