`focusworkcore.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c847^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:44f2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.68.242^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.71^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`marek.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marek.ns.cloudflare.com`
		A	108.162.193.202^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	172.64.33.202^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	173.245.59.202^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
NS	`sureena.ns.cloudflare.com`
		A	2606:4700:50::a29f:267e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c27e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sureena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:227e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sureena.ns.cloudflare.com`
		A	108.162.194.126^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
		A	162.159.38.126^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
		A	172.64.34.126^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.68.242, 172.67.200.71
		IPv6	2606:4700:3030::ac43:c847, 2606:4700:3033::6815:44f2
SOA	`marek.ns.cloudflare.com`dns@cloudflare.com serial=2398127745

`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=1771291435

⚠️ On DNS blocklist: tif

Same first word

focusworkcore.com

DNS History

6 records (6 active, 0 former)

●NSmarek.ns.cloudflare.com2026-03-11 → 2026-03-23 · 2 obs

● 2026-03-11 10:03:14
● 2026-03-23 10:51:10

●NSsureena.ns.cloudflare.com2026-03-11 → 2026-03-23 · 2 obs

● 2026-03-11 10:03:14
● 2026-03-23 10:51:10

●A104.21.68.2422026-03-11 → 2026-03-23 · 2 obs

● 2026-03-11 10:03:14
● 2026-03-23 10:51:10

●A172.67.200.712026-03-11 → 2026-03-23 · 2 obs

● 2026-03-11 10:03:14
● 2026-03-23 10:51:10

●A2606:4700:3030::ac43:c8472026-03-11 → 2026-03-23 · 2 obs

● 2026-03-11 10:03:14
● 2026-03-23 10:51:10

●A2606:4700:3033::6815:44f22026-03-11 → 2026-03-23 · 2 obs

● 2026-03-11 10:03:14
● 2026-03-23 10:51:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
focusworkcore.com	marek.ns.cloudflare.com, sureena.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.126

NS records: marek.ns.cloudflare.com, sureena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for focusworkcore.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.68.242, 172.67.200.71`
AAAA	2	`2606:4700:3030::ac43:c847, 2606:4700:3033::6815:44f2`
NS	2	`marek.ns.cloudflare.com, sureena.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`marek.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by focusworkcore.com: 2606:4700:3030::ac43:c847, 2606:4700:3033::6815:44f2, 104.21.68.242 and 172.67.200.71.

other host names including www.allduniv.ac.in, app.aktion-tagwerk.de, vetementsultra.shop, iscc.com.hk and reignpharma.com share IP numbers with focusworkcore.com.

Name Servers

focusworkcore.com is delegated to two name servers marek.ns.cloudflare.com and sureena.ns.cloudflare.com.

focusworkcore.com shares the same name server setup as other domains, for instance bk33-bd1.com, ticketsrosebowl.com, newtrackway.com, esemess.com and riseonpath.com.

focusworkcore.com at least partially shares name servers with other domains, for instance e5bh.com, renkaz.kz, prodv.com.ua, homevy.com and storytiles.nl.

These name servers are commonly used alongside wells.ns.cloudflare.com and plato.ns.cloudflare.com.

Host names with six IP numbers:

Host name marek.ns.cloudflare.com points to: 2606:4700:58::adf5:3bca, 2803:f800:50::6ca2:c1ca, 2a06:98c1:50::ac40:21ca, 108.162.193.202, 172.64.33.202 and 173.245.59.202.

Host name sureena.ns.cloudflare.com points to: 2606:4700:50::a29f:267e, 2803:f800:50::6ca2:c27e, 2a06:98c1:50::ac40:227e, 108.162.194.126, 162.159.38.126 and 172.64.34.126.

focusworkcore.com - robtex.com