smtp.activefocus.us - robtex.com

smtp.activefocus.us

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8fe7🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:474c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.71.76Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.231🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.71.76, 172.67.143.231
IPv62606:4700:3033::ac43:8fe7, 2606:4700:3037::6815:474c

activefocus.us

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8fe7🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:474c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.71.76Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.231🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkallie.ns.cloudflare.com ⭐
NSsalvador.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.71.76, 172.67.143.231
IPv62606:4700:3033::ac43:8fe7, 2606:4700:3037::6815:474c
SOAkallie.ns.cloudflare.comdns@cloudflare.com serial=2398763438
rank #118521 globally
rank #2236 in the tld
📈 Tranco rank: #432,637

Previously MX for

activefocus.us

Same first word

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DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSns69.domaincontrol.comns70.domaincontrol.comMXactivefocus.ussmtp.activefocus.usA104.21.71.76172.67.143.2312606:4700:3033::ac43:8fe72606:4700:3037::6815:474c99.198.122.206CNAMEactivefocus.us
○NSns69.domaincontrol.com2015-10-21 → 2016-04-08 · 4 obs
● 2015-10-21 18:53:06
● 2016-04-08 04:47:20
○ 2016-09-13 15:21:12
○ 2026-03-27 14:42:56
○NSns70.domaincontrol.com2015-10-21 → 2016-04-08 · 4 obs
● 2015-10-21 18:53:06
● 2016-04-08 04:47:20
○ 2016-09-13 15:21:12
○ 2026-03-27 14:42:56
○MXactivefocus.us2015-10-21 → 2016-04-08 · 4 obs
● 2015-10-21 18:53:06
● 2016-04-08 04:47:20
○ 2016-09-13 15:21:12
○ 2026-03-27 14:42:56
○MXsmtp.activefocus.us2015-10-21 → 2016-04-08 · 4 obs
● 2015-10-21 18:53:06
● 2016-04-08 04:47:20
○ 2016-09-13 15:21:12
○ 2026-03-27 14:42:56
●A104.21.71.762026-03-27 → 2026-03-27 · 2 obs
○ 2016-09-13 15:21:12
● 2026-03-27 14:42:56
●A172.67.143.2312026-03-27 → 2026-03-27 · 2 obs
○ 2016-09-13 15:21:12
● 2026-03-27 14:42:56
●A2606:4700:3033::ac43:8fe72026-03-27 → 2026-03-27 · 2 obs
○ 2016-09-13 15:21:12
● 2026-03-27 14:42:56
●A2606:4700:3037::6815:474c2026-03-27 → 2026-03-27 · 2 obs
○ 2016-09-13 15:21:12
● 2026-03-27 14:42:56
○A99.198.122.2062015-05-18 → 2016-04-08 · 4 obs
● 2015-05-18 21:11:28
● 2016-04-08 04:47:20
○ 2016-09-13 15:21:12
○ 2026-03-27 14:42:56
○CNAMEactivefocus.us2015-05-18 → 2016-04-08 · 4 obs
● 2015-05-18 21:11:28
● 2016-04-08 04:47:20
○ 2016-09-13 15:21:12
○ 2026-03-27 14:42:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, x.cctld.us, k.cctld.us, n.cctld.us...-
activefocus.uskallie.ns.cloudflare.com, salvador.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.85

NS records: kallie.ns.cloudflare.com, salvador.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for activefocus.us (unsigned zone)

⏱️ Timing

Total: 511ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.143.231, 104.21.71.76
AAAA22606:4700:3033::ac43:8fe7, 2606:4700:3037::6815:474c
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

smtp.activefocus.us points to four IP numbers: 2606:4700:3033::ac43:8fe7, 2606:4700:3037::6815:474c, 104.21.71.76 and 172.67.143.231.

Other host names including damizao.com, www.cmresidential.com, clevelandcourage.org, pooltablerepairproseugene.com and ns3.hcits.co.uk share IP numbers with smtp.activefocus.us.