mail.userfirstinteractive.com - robtex.com

mail.userfirstinteractive.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:e56🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:9e85🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.86Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.133🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.86, 172.67.158.133
IPv6 hints2606:4700:3033::6815:e56, 2606:4700:3035::ac43:9e85
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=165, name=cloudflare-ech.com

userfirstinteractive.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:e56🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:9e85🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.86Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.133🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSreza.ns.cloudflare.com ⭐
NSruben.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.86, 172.67.158.133
IPv6 hints2606:4700:3033::6815:e56, 2606:4700:3035::ac43:9e85
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=185, name=cloudflare-ech.com
SOAreza.ns.cloudflare.comdns@cloudflare.com serial=2400282986

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DNS History

6 records (4 active, 2 former)

201020122014201620182020202220242026A104.21.14.86172.67.158.1332606:4700:3033::6815:e562606:4700:3035::ac43:9e8565.254.248.17765.254.53.157
●A104.21.14.862026-02-20 → 2026-04-13 · 3 obs
○ 2016-04-23 00:28:50
● 2026-02-20 22:09:50
● 2026-04-13 05:11:00
●A172.67.158.1332026-02-20 → 2026-04-13 · 3 obs
○ 2016-04-23 00:28:50
● 2026-02-20 22:09:50
● 2026-04-13 05:11:00
●A2606:4700:3033::6815:e562026-02-20 → 2026-04-13 · 3 obs
○ 2016-04-23 00:28:50
● 2026-02-20 22:09:50
● 2026-04-13 05:11:00
●A2606:4700:3035::ac43:9e852026-02-20 → 2026-04-13 · 3 obs
○ 2016-04-23 00:28:50
● 2026-02-20 22:09:50
● 2026-04-13 05:11:00
○A65.254.248.1772015-10-29 → 2016-04-23 · 5 obs
○ 2009-01-13 05:07:32
● 2015-10-29 21:25:24
● 2016-04-23 00:28:50
○ 2026-02-20 22:09:50
○ 2026-04-13 05:11:00
○A65.254.53.1572009-01-13 → 2009-01-13 · 3 obs
● 2009-01-13 05:07:32
○ 2015-10-29 21:25:24
○ 2026-04-13 05:11:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
userfirstinteractive.comreza.ns.cloudflare.com, ruben.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.217

NS records: reza.ns.cloudflare.com, ruben.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for userfirstinteractive.com (unsigned zone)

⏱️ Timing

Total: 118ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.158.133, 104.21.14.86
AAAA22606:4700:3035::ac43:9e85, 2606:4700:3033::6815:e56
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.userfirstinteractive.com points to four IP numbers: 2606:4700:3033::6815:e56, 2606:4700:3035::ac43:9e85, 104.21.14.86 and 172.67.158.133.

Other host names, for instance pokusaforhealth.com, www.midwestcityok.net.cdn.cloudflare.net, 28mails.com, coravinothyl.com and gslb.pphosted.com.ecolevol.org share IP numbers with mail.userfirstinteractive.com.