mail.cstle.com - robtex.com

mail.cstle.com

DNSSEC⚠️ Not signed
A104.244.28.3🇺🇸 SWITCH-1104.244.28.0/22 Switch customer route
PTRmail.netsential.com

cstle.com

DNSSEC⚠️ Not signed
A2602:ff64::104:244:28:59🇺🇸 SWITCH-12602:ff64::/36 Switch customer route
A104.244.28.59🇺🇸 SWITCH-1104.244.28.0/22 Switch customer route
NSns1.netsential.com ⭐
NSns2.netsential.com
MXmail.cstle.com ⭐
TXTv=spf1 mx ip4:104.244.28.1/22 ip6:2602:FF64::/36 -all
SOAns1.netsential.comAdministrator@netsential.com 2021-01-26 #32

MX for

cstle.com

Same first word

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DNS History

1 record (1 active, 0 former)

A104.244.28.3
●A104.244.28.32026-03-23 → 2026-04-12 · 2 obs
● 2026-03-23 10:16:56
● 2026-04-12 22:13:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cstle.comns1.netsential.com, ns2.netsential.com4 records

✅ Authoritative Response

Server:104.244.29.2

NS records: ns1.netsential.com, ns2.netsential.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cstle.com (unsigned zone)

⏱️ Timing

Total: 142ms | Queries: -

📄 Records

TypeCountSample Data
A1104.244.28.3

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.netsential.com, ns1.netsential.com, ns2.netsential.com...)

Analysis

Mail Server Role

mail.cstle.com serves as the mail server for cstle.com.

IP Addresses

mail.cstle.com resolves to a single IP address: 104.244.28.3.

Other host names including mail.phillymostwanted.org, mail.trainpsa.org, mail.lostafternoon.org, mail.safekeiki.org and mail.ilgiaonline.org share IP numbers with mail.cstle.com.