mail.reachvortex.courses - robtex.com

mail.reachvortex.courses

DNSSEC⚠️ Not signed
A154.6.5.7🇺🇸 AS-267212-SERVERMEDIA154.6.5.0/24 Server
PTRmail.reachvortex.courses

reachvortex.courses

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:d7ce🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:35a9🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.53.169Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.215.206🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarturo.ns.cloudflare.com ⭐
NScrystal.ns.cloudflare.com
MXmail.reachvortex.courses ⭐
TXTv=spf1 ip4:154.6.5.7 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.53.169, 172.67.215.206
IPv6 hints2606:4700:3034::ac43:d7ce, 2606:4700:3037::6815:35a9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com
SOAarturo.ns.cloudflare.comdns@cloudflare.com serial=2400123892

PTR for

7.5.6.154.in-addr.arpa

MX for

reachvortex.courses

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DNS History

1 record (1 active, 0 former)

A154.6.5.7
●A154.6.5.72026-05-15 → 2026-05-15 · 2 obs
● 2026-05-15 00:15:46
● 2026-05-15 05:57:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coursesc.nic.courses, b.nic.courses, a.nic.courses, z.nic.courses...12 records
reachvortex.coursesarturo.ns.cloudflare.com, crystal.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.216

NS records: arturo.ns.cloudflare.com, crystal.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for reachvortex.courses (unsigned zone)

⏱️ Timing

Total: 539ms | Queries: -

📄 Records

TypeCountSample Data
A1154.6.5.7

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)

Analysis

Mail Server Role

mail.reachvortex.courses functions as a mail server for reachvortex.courses.

IP Addresses

mail.reachvortex.courses points to IP number: 154.6.5.7.

Other host names, for instance mail.edelo.org share IP numbers with mail.reachvortex.courses.