mail.develop4u.com - dns.ninja

mail.develop4u.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:5429🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:ba16🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.84.41Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.186.22🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.84.41, 172.67.186.22
IPv6 hints2606:4700:3032::6815:5429, 2606:4700:3033::ac43:ba16
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com

develop4u.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:5429🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:ba16🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.84.41Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.186.22🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSsteven.ns.cloudflare.com ⭐
NStina.ns.cloudflare.com
MXmx1-usg1.ppe-hosted.com ⭐
MXmx2-usg1.ppe-hosted.com ⭐
MXmx3-usg1.ppe-hosted.com ⭐
TXTgoogle-site-verification=-Kw6Rax20L5B5gaex0AKeAYZU2-Hd6WkHaf1qNRmygk
TXTv=spf1 include:_spf-usg1.ppe-hosted.com include:secureserver.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.84.41, 172.67.186.22
IPv6 hints2606:4700:3032::6815:5429, 2606:4700:3033::ac43:ba16
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=200, name=cloudflare-ech.com
SOAsteven.ns.cloudflare.comdns@cloudflare.com serial=2410312632
WOT: SAFE (60/100)

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DNS History

6 records (4 active, 2 former)

A104.21.84.41172.67.186.222606:4700:3032::6815:54292606:4700:3033::ac43:ba162606:4700:3036::6815:54292606:4700:3037::ac43:ba16
●A104.21.84.412026-02-24 → 2026-07-28 · 2 obs
● 2026-02-24 17:49:38
● 2026-07-28 11:08:56
●A172.67.186.222026-02-24 → 2026-07-28 · 2 obs
● 2026-02-24 17:49:38
● 2026-07-28 11:08:56
●A2606:4700:3032::6815:54292026-07-08 → 2026-07-28 · 3 obs
○ 2026-06-12 00:19:32
● 2026-07-08 21:28:38
● 2026-07-28 11:08:56
●A2606:4700:3033::ac43:ba162026-07-08 → 2026-07-28 · 3 obs
○ 2026-06-12 00:19:32
● 2026-07-08 21:28:38
● 2026-07-28 11:08:56
○A2606:4700:3036::6815:54292026-02-24 → 2026-06-12 · 4 obs
● 2026-02-24 17:49:38
● 2026-06-12 00:19:32
○ 2026-07-08 21:28:38
○ 2026-07-28 11:08:56
○A2606:4700:3037::ac43:ba162026-02-24 → 2026-06-12 · 4 obs
● 2026-02-24 17:49:38
● 2026-06-12 00:19:32
○ 2026-07-08 21:28:38
○ 2026-07-28 11:08:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
develop4u.comtina.ns.cloudflare.com, steven.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.17

NS records: tina.ns.cloudflare.com, steven.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for develop4u.com (unsigned zone)

⏱️ Timing

Total: 971ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.186.22, 104.21.84.41
AAAA22606:4700:3033::ac43:ba16, 2606:4700:3032::6815:5429
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.develop4u.com directs to four IP numbers, which are 104.21.84.41, 172.67.186.22, 2606:4700:3032::6815:5429 and 2606:4700:3033::ac43:ba16.

Among the host names that share IP numbers with mail.develop4u.com are aaiss.hk, browncohistoricalsoc.org, moimessouliers.org and two others.