mail.successmasterclass.com - robtex.com

mail.successmasterclass.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:584b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:ae08🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.75Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.174.8🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.75, 172.67.174.8
IPv6 hints2606:4700:3031::6815:584b, 2606:4700:3037::ac43:ae08
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=223, name=cloudflare-ech.com

successmasterclass.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:584b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:ae08🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.75Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.174.8🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSrene.ns.cloudflare.com ⭐
NSuma.ns.cloudflare.com
MX_dc-mx.928d54d06a00.successmasterclass.com ⭐
MX_dc-mx.a1d450bcb479.successmasterclass.com(10)
TXTv=spf1 +a +mx +ip4:50.87.253.80 +ip4:173.254.35.96 +ip4:66.147.244.68 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.75, 172.67.174.8
IPv6 hints2606:4700:3031::6815:584b, 2606:4700:3037::ac43:ae08
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=223, name=cloudflare-ech.com
SOArene.ns.cloudflare.comdns@cloudflare.com serial=2401281764
⚠️ On DNS blocklist: pro, pro.plus, ultimate

Previously MX for

successmasterclass.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.88.75172.67.174.82606:4700:3031::6815:584b2606:4700:3037::ac43:ae0866.147.244.68
●A104.21.88.752026-02-18 → 2026-04-15 · 3 obs
○ 2016-04-26 07:26:22
● 2026-02-18 07:03:08
● 2026-04-15 17:04:22
●A172.67.174.82026-02-18 → 2026-04-15 · 3 obs
○ 2016-04-26 07:26:22
● 2026-02-18 07:03:08
● 2026-04-15 17:04:22
●A2606:4700:3031::6815:584b2026-02-18 → 2026-04-15 · 3 obs
○ 2016-04-26 07:26:22
● 2026-02-18 07:03:08
● 2026-04-15 17:04:22
●A2606:4700:3037::ac43:ae082026-02-18 → 2026-04-15 · 3 obs
○ 2016-04-26 07:26:22
● 2026-02-18 07:03:08
● 2026-04-15 17:04:22
○A66.147.244.682015-07-02 → 2016-04-26 · 4 obs
● 2015-07-02 19:36:34
● 2016-04-26 07:26:22
○ 2026-02-18 07:03:08
○ 2026-04-15 17:04:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net...-
successmasterclass.comuma.ns.cloudflare.com, rene.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.180

NS records: uma.ns.cloudflare.com, rene.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for successmasterclass.com (unsigned zone)

⏱️ Timing

Total: 256ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.174.8, 104.21.88.75
AAAA22606:4700:3037::ac43:ae08, 2606:4700:3031::6815:584b
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.successmasterclass.com maps to four IP numbers: 2606:4700:3031::6815:584b, 2606:4700:3037::ac43:ae08, 104.21.88.75 and 172.67.174.8.

Other host names, for instance www.gartenrecht.com, mail.gartenrecht.com, jenskock.de, newyorkbingeeatinghypnosisnyc.com and lvgox.com share IP numbers with mail.successmasterclass.com.