usefocus.co - robtex.com

usefocus.co

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b591🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1264🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.100Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.145🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlindsey.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2605🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlindsey.ns.cloudflare.com
A2803:f800:50::6ca2:c205🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlindsey.ns.cloudflare.com
A2a06:98c1:50::ac40:2205🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlindsey.ns.cloudflare.com
A108.162.194.5🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlindsey.ns.cloudflare.com
A162.159.38.5Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlindsey.ns.cloudflare.com
A172.64.34.5🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlindsey.ns.cloudflare.com
NSwesley.ns.cloudflare.com
A2606:4700:58::adf5:3bf6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
A2803:f800:50::6ca2:c1f6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwesley.ns.cloudflare.com
A2a06:98c1:50::ac40:21f6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwesley.ns.cloudflare.com
A108.162.193.246🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
A172.64.33.246🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
A173.245.59.246🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
MXmx10.mailspamprotection.com ⭐
A34.149.79.66🇺🇸 Google34.148.0.0/14
PTR66.79.149.34.bc.googleusercontent.com
MXmx20.mailspamprotection.com(20)
A34.120.156.61🇺🇸 Google34.120.0.0/14
PTR61.156.120.34.bc.googleusercontent.com
MXmx30.mailspamprotection.com(30)
A34.111.121.216🇺🇸 Google34.108.0.0/14
PTR216.121.111.34.bc.googleusercontent.com
TXTgoogle-site-verification=2J4fdq7leUsHuzrEunpZEtwF-vN7Bl_Vo-0prTQOH5E
TXTv=spf1 +a +mx +ip4:35.212.78.219 include:_spf.mailspamprotection.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.18.100, 172.67.181.145
IPv62606:4700:3030::ac43:b591, 2606:4700:3037::6815:1264
SOAlindsey.ns.cloudflare.comdns@cloudflare.com serial=2399179493

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759621363

Same first word

usefocus.co

DNS History

21 records (9 active, 12 former)

202120222023202420252026NSlindsey.ns.cloudflare.comwesley.ns.cloudflare.comns1.timeweb.runs2.timeweb.runs3.timeweb.orgns4.timeweb.orgMXmx10.mailspamprotection.commx20.mailspamprotection.commx30.mailspamprotection.cominbound-smtp.us-west-2.amazonaws.commx1.timeweb.rumx2.timeweb.ruA104.21.18.100172.67.181.1452606:4700:3030::ac43:b5912606:4700:3037::6815:1264188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::88.99.171.228
●NSlindsey.ns.cloudflare.com2026-02-22 → 2026-03-29 · 3 obs
○ 2020-03-27 10:03:00
● 2026-02-22 01:44:02
● 2026-03-29 21:24:08
○NSns1.timeweb.ru2020-03-27 → 2020-03-27 · 3 obs
● 2020-03-27 10:03:00
○ 2026-02-22 01:44:02
○ 2026-03-29 21:24:08
○NSns2.timeweb.ru2020-03-27 → 2020-03-27 · 3 obs
● 2020-03-27 10:03:00
○ 2026-02-22 01:44:02
○ 2026-03-29 21:24:08
○NSns3.timeweb.org2020-03-27 → 2020-03-27 · 3 obs
● 2020-03-27 10:03:00
○ 2026-02-22 01:44:02
○ 2026-03-29 21:24:08
○NSns4.timeweb.org2020-03-27 → 2020-03-27 · 3 obs
● 2020-03-27 10:03:00
○ 2026-02-22 01:44:02
○ 2026-03-29 21:24:08
●NSwesley.ns.cloudflare.com2026-02-22 → 2026-03-29 · 3 obs
○ 2020-03-27 10:03:00
● 2026-02-22 01:44:02
● 2026-03-29 21:24:08
○MXinbound-smtp.us-west-2.amazonaws.com2020-03-27 → 2020-03-27 · 3 obs
● 2020-03-27 10:03:00
○ 2026-02-22 01:44:02
○ 2026-03-29 21:24:08
○MXmx1.timeweb.ru2020-03-27 → 2020-03-27 · 3 obs
● 2020-03-27 10:03:00
○ 2026-02-22 01:44:02
○ 2026-03-29 21:24:08
●MXmx10.mailspamprotection.com2026-02-22 → 2026-03-29 · 3 obs
○ 2020-03-27 10:03:00
● 2026-02-22 01:44:02
● 2026-03-29 21:24:08
○MXmx2.timeweb.ru2020-03-27 → 2020-03-27 · 3 obs
● 2020-03-27 10:03:00
○ 2026-02-22 01:44:02
○ 2026-03-29 21:24:08
●MXmx20.mailspamprotection.com2026-02-22 → 2026-03-29 · 3 obs
○ 2020-03-27 10:03:00
● 2026-02-22 01:44:02
● 2026-03-29 21:24:08
●MXmx30.mailspamprotection.com2026-02-22 → 2026-03-29 · 3 obs
○ 2020-03-27 10:03:00
● 2026-02-22 01:44:02
● 2026-03-29 21:24:08
●A104.21.18.1002026-02-22 → 2026-03-29 · 5 obs
○ 2020-03-27 10:03:00
● 2026-02-22 01:44:02
● 2026-02-22 04:39:18
○ 2026-03-18 22:13:26
● 2026-03-29 21:24:08
●A172.67.181.1452026-02-22 → 2026-03-29 · 5 obs
○ 2020-03-27 10:03:00
● 2026-02-22 01:44:02
● 2026-02-22 04:39:18
○ 2026-03-18 22:13:26
● 2026-03-29 21:24:08
○A188.114.96.02026-03-18 → 2026-03-18 · 3 obs
○ 2026-02-22 04:39:18
● 2026-03-18 22:13:26
○ 2026-03-29 21:24:08
○A188.114.97.02026-03-18 → 2026-03-18 · 3 obs
○ 2026-02-22 04:39:18
● 2026-03-18 22:13:26
○ 2026-03-29 21:24:08
●A2606:4700:3030::ac43:b5912026-02-22 → 2026-03-29 · 5 obs
○ 2020-03-27 10:03:00
● 2026-02-22 01:44:02
● 2026-02-22 04:39:18
○ 2026-03-18 22:13:26
● 2026-03-29 21:24:08
●A2606:4700:3037::6815:12642026-02-22 → 2026-03-29 · 5 obs
○ 2020-03-27 10:03:00
● 2026-02-22 01:44:02
● 2026-02-22 04:39:18
○ 2026-03-18 22:13:26
● 2026-03-29 21:24:08
○A2a06:98c1:3120::2026-03-18 → 2026-03-18 · 3 obs
○ 2026-02-22 04:39:18
● 2026-03-18 22:13:26
○ 2026-03-29 21:24:08
○A2a06:98c1:3121::2026-03-18 → 2026-03-18 · 3 obs
○ 2026-02-22 04:39:18
● 2026-03-18 22:13:26
○ 2026-03-29 21:24:08
○A88.99.171.2282020-03-27 → 2020-03-27 · 3 obs
● 2020-03-27 10:03:00
○ 2026-02-22 01:44:02
○ 2026-03-29 21:24:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, d.registrydns.co, c.registrydns.co, b.registrydns.co-
usefocus.cowesley.ns.cloudflare.com, lindsey.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.5

NS records: wesley.ns.cloudflare.com, lindsey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usefocus.co (unsigned zone)

⏱️ Timing

Total: 527ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.18.100, 172.67.181.145
AAAA22606:4700:3030::ac43:b591, 2606:4700:3037::6815:1264
NS2lindsey.ns.cloudflare.com, wesley.ns.cloudflare.com
MX3mx10.mailspamprotection.com (pri: 10), mx20.mailspamprotection.com (pri: 20)...
TXT2google-site-verification=2J4fdq7leUsHuzr, v=spf1 +a +mx +ip4:35.212.78.219 include
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1lindsey.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

usefocus.co resolves to four IPs: 2606:4700:3030::ac43:b591, 2606:4700:3037::6815:1264, 104.21.18.100 and 172.67.181.145.

Other host names such as csr4.neovera.net, dakarappeal.org, dissrecs.com, symbion.eu and anannya.com.bd share IP numbers with usefocus.co.

Name Servers

usefocus.co is delegated to two name servers: lindsey.ns.cloudflare.com and wesley.ns.cloudflare.com.

usefocus.co uses the same name server setup as other domains, including rowfluidesign.com, velocitsolutions.com, bestseodomination.com, betonvalu.com and samsara.es.

At least part of the name servers for usefocus.co are shared with other domains, for instance dereksweeney.com, uaces.org, brazilianmafia.biz, elancedigitalmedia.com and tes-taxsoftwareconsultancy.com.

These name servers are commonly used alongside jarred.ns.cloudflare.com and amit.ns.cloudflare.com.

Host names with six IP numbers:

lindsey.ns.cloudflare.com points to: 2606:4700:50::a29f:2605, 2803:f800:50::6ca2:c205, 2a06:98c1:50::ac40:2205, 108.162.194.5, 162.159.38.5 and 172.64.34.5.

wesley.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf6, 2803:f800:50::6ca2:c1f6, 2a06:98c1:50::ac40:21f6, 108.162.193.246, 172.64.33.246 and 173.245.59.246.

Mail Servers

Three mail servers handle usefocus.co: mx10.mailspamprotection.com, mx20.mailspamprotection.com and mx30.mailspamprotection.com.

usefocus.co shares at least some mail servers with other domains, for example pirotecnicarende.com, trainerbubble.co.uk, daimonion.de, siemensaikya.org and zwartfp.eu.

Host names with a single IP:

mx10.mailspamprotection.com points to: 34.149.79.66

mx20.mailspamprotection.com points to: 34.120.156.61

mx30.mailspamprotection.com points to: 34.111.121.216