mx4.sysmaster.net - dns.ninja
mx4.sysmaster.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.145.84.135🇧🇬 VARNANET-AS217.145.80.0/20 Varna Net | ||||||
| PTR | mail.sysmaster.com | ||||||
sysmaster.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.145.84.133🇧🇬 VARNANET-AS217.145.80.0/20 Varna Net | ||||||
| NS | ns1.sysmaster.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.sysmaster.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.sysmaster.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.sysmaster.net ⚠️ Not in parent delegation | ||||||
| MX | mx4.sysmaster.net ⭐ | ||||||
| SOA | ns1.sysmaster.netroot@ns1.sysmaster.net 2016-02-08 #1 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A212.5.49.62015-06-02 → 2015-11-10 · 4 obs
● 2015-06-02 20:19:06
● 2015-11-10 10:33:34
○ 2016-02-11 17:09:58
○ 2026-07-28 03:32:00
● 2015-11-10 10:33:34
○ 2016-02-11 17:09:58
○ 2026-07-28 03:32:00
●A217.145.84.1352016-02-11 → 2026-07-28 · 3 obs
○ 2015-11-10 10:33:34
● 2016-02-11 17:09:58
● 2026-07-28 03:32:00
● 2016-02-11 17:09:58
● 2026-07-28 03:32:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sysmaster.net | ns1.sysmaster.com, ns2.sysmaster.com | - |
✅ Authoritative Response
Server:217.145.84.132
NS records: ns1.sysmaster.com, ns2.sysmaster.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysmaster.net (unsigned zone)
⏱️ Timing
Total: 609ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.145.84.135 |
Analysis
Mail Server Role
The mail server mx4.sysmaster.net processes email for sysmaster.net.
IP Addresses
mx4.sysmaster.net resolves to just one IP address, 217.145.84.135.
Two other host names, along with mobile.longa.com, mx3.spedia.com and mx1.expirian.net, also share IP numbers with mx4.sysmaster.net.