avast.mailshell.net - dns.ninja
avast.mailshell.net
| DNSSEC | ⚠️ Not signed | ||||||
| MX | b.mx.mailshell.net ⭐ | ||||||
| A | 209.157.66.250🇺🇸 NTT-GIN-AS209.157.0.0/16 Rackdog | ||||||
| MX | c.mx.mailshell.net ⭐ | ||||||
| A | 209.157.66.250🇺🇸 NTT-GIN-AS209.157.0.0/16 Rackdog | ||||||
mailshell.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.ns.mailshell.net ⭐ | ||||||
| NS | b.ns.mailshell.net ⚠️ Not in zone NS records | ||||||
| NS | c.ns.mailshell.net ⚠️ Not in zone NS records | ||||||
| NS | i.ns.mailshell.net ⚠️ Not in zone NS records | ||||||
| NS | j.ns.mailshell.net | ||||||
| SOA | a.ns.mailshell.nethostmaster@mailshell.net serial=1783539238 | ||||||
📈 Tranco rank: #14,373
Subdomains
s15415975.avast.mailshell.net |
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●MXb.mx.mailshell.net2015-07-24 → 2026-07-25 · 2 obs
● 2026-07-25 16:08:24
●MXc.mx.mailshell.net2015-07-24 → 2026-07-25 · 2 obs
● 2026-07-25 16:08:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | l.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, f.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:212.71.233.60
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: 2847ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| MX | 2 | b.mx.mailshell.net (pri: 10), c.mx.mailshell.net (pri: 10) |
📌 Glue Records Collected
Total: 5
In-bailiwick: 5 (a.ns.mailshell.net, b.ns.mailshell.net, c.ns.mailshell.net...)
Analysis
Hierarchy
avast.mailshell.net is the parent zone for s15415975.avast.mailshell.net.
Mail Servers
avast.mailshell.net uses two mail servers, b.mx.mailshell.net and c.mx.mailshell.net.
The mail server setup of avast.mailshell.net matches that of other domains such as s15418187.mailshell.net, rblns105.mailshell.net, dnsbl17.mailshell.net and two others.
At least some of the mail servers used by avast.mailshell.net are shared with other domains: ds2-us-rules-1.mailshell.net, li-nj-stat-3.mailshell.net, li-uk-rule-4.mailshell.net and two others among them.
b.mx.mailshell.net resolves to 209.157.66.250; c.mx.mailshell.net resolves to the same IP address, 209.157.66.250.
Both b.mx.mailshell.net and c.mx.mailshell.net resolve to 209.157.66.250 IP addresses each.