mail.rxmcu.com - robtex.com

mail.rxmcu.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:b1e9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:3b85🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.59.133Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.177.233🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.59.133, 172.67.177.233
IPv62606:4700:3035::ac43:b1e9, 2606:4700:3036::6815:3b85

rxmcu.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:b1e9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:3b85🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.59.133Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.177.233🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShenry.ns.cloudflare.com ⭐
NSnicole.ns.cloudflare.com
MXmx1-hosting.jellyfish.systems ⭐
MXmx2-hosting.jellyfish.systems(10)
MXmx3-hosting.jellyfish.systems(20)
TXTv=spf1 +a +mx +ip4:162.0.209.109 include:spf.web-hosting.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.59.133, 172.67.177.233
IPv62606:4700:3035::ac43:b1e9, 2606:4700:3036::6815:3b85
SOAhenry.ns.cloudflare.comdns@cloudflare.com serial=2399402176

Previously MX for

rxmcu.com

Same first word

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DNS History

6 records (4 active, 2 former)

2017201820192020202120222023202420252026A104.21.59.133172.67.177.2332606:4700:3035::ac43:b1e92606:4700:3036::6815:3b85166.78.103.6219.99.214.80
●A104.21.59.1332026-03-25 → 2026-03-25 · 2 obs
○ 2016-12-20 00:08:38
● 2026-03-25 14:20:00
○A166.78.103.62016-12-20 → 2016-12-20 · 3 obs
○ 2016-04-26 09:00:48
● 2016-12-20 00:08:38
○ 2026-03-25 14:20:00
●A172.67.177.2332026-03-25 → 2026-03-25 · 2 obs
○ 2016-12-20 00:08:38
● 2026-03-25 14:20:00
○A219.99.214.802016-01-29 → 2016-04-26 · 4 obs
● 2016-01-29 13:03:54
● 2016-04-26 09:00:48
○ 2016-12-20 00:08:38
○ 2026-03-25 14:20:00
●A2606:4700:3035::ac43:b1e92026-03-25 → 2026-03-25 · 2 obs
○ 2016-12-20 00:08:38
● 2026-03-25 14:20:00
●A2606:4700:3036::6815:3b852026-03-25 → 2026-03-25 · 2 obs
○ 2016-12-20 00:08:38
● 2026-03-25 14:20:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...-
rxmcu.comhenry.ns.cloudflare.com, nicole.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.211

NS records: henry.ns.cloudflare.com, nicole.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rxmcu.com (unsigned zone)

⏱️ Timing

Total: 136ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.59.133, 172.67.177.233
AAAA22606:4700:3035::ac43:b1e9, 2606:4700:3036::6815:3b85
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.rxmcu.com maps to four IP numbers: 2606:4700:3035::ac43:b1e9, 2606:4700:3036::6815:3b85, 104.21.59.133 and 172.67.177.233.

Other host names such as hosmatic.com, thecamplondon.com, daysnews365.com, ods.lat and minecraftmapy.pl share IPs with mail.rxmcu.com.