b.mx.mailshell.net - dns.ninja
b.mx.mailshell.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.157.66.250🇺🇸 NTT-GIN-AS209.157.0.0/16 Rackdog | ||||||
mx.mailshell.net
| DNSSEC | ⚠️ Not signed | ||||||
| MX | b.mx.mailshell.net ⭐ | ||||||
| MX | c.mx.mailshell.net ⭐ | ||||||
MX for
Previously MX for
Same first word
DNS History
1 record (1 active, 0 former)
●A209.157.66.2502015-07-03 → 2026-07-24 · 2 obs
● 2026-07-24 03:09:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mailshell.net | a.ns.mailshell.net, b.ns.mailshell.net, c.ns.mailshell.net, i.ns.mailshell.net... | 5 records |
✅ Authoritative Response
Server:23.92.19.91
NS records: a.ns.mailshell.net, b.ns.mailshell.net, c.ns.mailshell.net, i.ns.mailshell.net, j.ns.mailshell.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mailshell.net (unsigned zone)
⏱️ Timing
Total: 222ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.157.66.250 |
📌 Glue Records Collected
Total: 5
In-bailiwick: 5 (a.ns.mailshell.net, b.ns.mailshell.net, c.ns.mailshell.net...)
Analysis
Mail Server Role
b.mx.mailshell.net functions as a mail server for li-uk-stat-3.mailshell.net, li-usca-rules-2.mailshell.net, s15389733.mailshell.net, s15418111.mailshell.net and fh-uk13.mailshell.net, as well as hundreds of additional domains.
c.mx.mailshell.net routinely functions as a mail server together with b.mx.mailshell.net.
IP Addresses
b.mx.mailshell.net resolves to one IP address: 209.157.66.250.
b.mx.spamcatcher.net, mail2.mailshell.com, hostmaster.spamcatcher.net and two other host names share IP numbers with b.mx.mailshell.net.