mail.shortbackfocus.com - robtex.com

mail.shortbackfocus.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:5a11🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:9704🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.17Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.151.4🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.17, 172.67.151.4
IPv6 hints2606:4700:3033::6815:5a11, 2606:4700:3034::ac43:9704
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=239, name=cloudflare-ech.com

shortbackfocus.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:5a11🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:9704🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.17Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.151.4🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSconnie.ns.cloudflare.com ⭐
NShal.ns.cloudflare.com
MXmx1-hosting.jellyfish.systems ⭐
MXmx2-hosting.jellyfish.systems(20)
MXmx3-hosting.jellyfish.systems(30)
TXTdan-ownership-verification=1x4zp1eg
TXTv=spf1 +a +mx +ip4:162.0.215.170 include:spf.web-hosting.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.17, 172.67.151.4
IPv6 hints2606:4700:3033::6815:5a11, 2606:4700:3034::ac43:9704
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=239, name=cloudflare-ech.com
SOAconnie.ns.cloudflare.comdns@cloudflare.com serial=2399896461

Previously MX for

shortbackfocus.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.90.17172.67.151.42606:4700:3033::6815:5a112606:4700:3034::ac43:9704216.70.64.49
●A104.21.90.172026-03-18 → 2026-04-12 · 3 obs
○ 2016-07-05 15:47:28
● 2026-03-18 18:04:56
● 2026-04-12 02:19:02
●A172.67.151.42026-03-18 → 2026-04-12 · 3 obs
○ 2016-07-05 15:47:28
● 2026-03-18 18:04:56
● 2026-04-12 02:19:02
○A216.70.64.492015-08-17 → 2016-07-05 · 4 obs
● 2015-08-17 11:56:56
● 2016-07-05 15:47:28
○ 2026-03-18 18:04:56
○ 2026-04-12 02:19:02
●A2606:4700:3033::6815:5a112026-03-18 → 2026-04-12 · 3 obs
○ 2016-07-05 15:47:28
● 2026-03-18 18:04:56
● 2026-04-12 02:19:02
●A2606:4700:3034::ac43:97042026-03-18 → 2026-04-12 · 3 obs
○ 2016-07-05 15:47:28
● 2026-03-18 18:04:56
● 2026-04-12 02:19:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net...-
shortbackfocus.comhal.ns.cloudflare.com, connie.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.247

NS records: hal.ns.cloudflare.com, connie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for shortbackfocus.com (unsigned zone)

⏱️ Timing

Total: 110ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.90.17, 172.67.151.4
AAAA22606:4700:3033::6815:5a11, 2606:4700:3034::ac43:9704
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by mail.shortbackfocus.com: 2606:4700:3033::6815:5a11, 2606:4700:3034::ac43:9704, 104.21.90.17 and 172.67.151.4.

other host names including hwww.cedepe.com.br.cdn.cloudflare.net, cartotracks.com, slotastic.co.nl, datacore.com.mx and i7658.com share IP numbers with mail.shortbackfocus.com.