mailserver.retrowithin.com - robtex.com

mailserver.retrowithin.com

DNSSEC⚠️ Not signed
A51.15.174.218🇫🇷 AS1287651.15.0.0/16 SCALEWAY Paris, France
PTRirc.retrowithin.com

retrowithin.com

DNSSEC⚠️ Not signed
A104.21.9.104Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.159.189🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmira.ns.cloudflare.com ⭐
NSpeyton.ns.cloudflare.com
MXmailserver.retrowithin.com ⭐
TXTv=spf1 include:spf.smtp2go.com mx -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.9.104, 172.67.159.189
SOAmira.ns.cloudflare.comdns@cloudflare.com serial=2398576656
📈 Tranco rank: #653,301

MX for

retrowithin.com

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DNS History

1 record (1 active, 0 former)

A51.15.174.218
●A51.15.174.2182026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 17:42:40
● 2026-03-27 19:28:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
retrowithin.compeyton.ns.cloudflare.com, mira.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.221

NS records: peyton.ns.cloudflare.com, mira.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for retrowithin.com (unsigned zone)

⏱️ Timing

Total: 102ms | Queries: -

📄 Records

TypeCountSample Data
A151.15.174.218

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mailserver.retrowithin.com serves as the mail server for retrowithin.com.

IP Addresses

mailserver.retrowithin.com points to a single IP: 51.15.174.218.

Other host names, such as irc.retrowithin.com, share IP numbers with mailserver.retrowithin.com.