mail.airsub.net - robtex.com

mail.airsub.net

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:34e1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:cced🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.225Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.237🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.225, 172.67.204.237
IPv6 hints2606:4700:3030::6815:34e1, 2606:4700:3035::ac43:cced
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=201, name=cloudflare-ech.com

airsub.net

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:34e1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:cced🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.225Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.237🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmagnolia.ns.cloudflare.com ⭐
NSyoxall.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
MXroute1.mx.cloudflare.net(30)
MXroute3.mx.cloudflare.net(41)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.225, 172.67.204.237
IPv6 hints2606:4700:3030::6815:34e1, 2606:4700:3035::ac43:cced
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=201, name=cloudflare-ech.com
SOAmagnolia.ns.cloudflare.comdns@cloudflare.com serial=2397946051

Same first word

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DNS History

4 records (4 active, 0 former)

A104.21.52.225172.67.204.2372606:4700:3030::6815:34e12606:4700:3035::ac43:cced
●A104.21.52.2252026-02-15 → 2026-04-26 · 2 obs
● 2026-02-15 16:48:34
● 2026-04-26 15:11:34
●A172.67.204.2372026-02-15 → 2026-04-26 · 2 obs
● 2026-02-15 16:48:34
● 2026-04-26 15:11:34
●A2606:4700:3030::6815:34e12026-02-15 → 2026-04-26 · 2 obs
● 2026-02-15 16:48:34
● 2026-04-26 15:11:34
●A2606:4700:3035::ac43:cced2026-02-15 → 2026-04-26 · 2 obs
● 2026-02-15 16:48:34
● 2026-04-26 15:11:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...-
airsub.netmagnolia.ns.cloudflare.com, yoxall.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.47

NS records: magnolia.ns.cloudflare.com, yoxall.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for airsub.net (unsigned zone)

⏱️ Timing

Total: 246ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.52.225, 172.67.204.237
AAAA22606:4700:3030::6815:34e1, 2606:4700:3035::ac43:cced
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

Four IP numbers are pointed to by mail.airsub.net: 2606:4700:3030::6815:34e1, 2606:4700:3035::ac43:cced, 104.21.52.225 and 172.67.204.237.

other host names including blackhub.team, mx.fogorvos.co, 3156213.com.cdn.cloudflare.net, www.clientepjempresas.digital and pacificnorthwestlimo.com share IP numbers with mail.airsub.net.