`mx4-2.sysmaster.com`

DNSSEC	⚠️ Not signed
A	217.145.84.135^{🇧🇬 VARNANET-AS217.145.80.0/20 Varna Net}
		PTR	`mail.sysmaster.com`

`sysmaster.com`

	DNSSEC	⚠️ Not signed
	A	217.145.84.133^{🇧🇬 VARNANET-AS217.145.80.0/20 Varna Net}
	NS	`ns1.sysmaster.com` ⭐
	NS	`ns2.sysmaster.com`
	MX	`mx4.sysmaster.com` ⭐
	TXT	`v=spf1 mx ip4:217.145.84.128/29 ~all`
	SOA	`ns1.sysmaster.com`root@ns1.sysmaster.com 2018-11-26 #1

WOT: SAFE (63/100)
WOT: SAFE (77/100)

Similar names

mx-24.net

mx-24.de

DNS History

3 records (1 active, 2 former)

○A212.5.49.62015-06-06 → 2015-10-25 · 5 obs

○ 2009-01-21 23:58:50
● 2015-06-06 19:12:56
● 2015-10-25 09:26:36
○ 2016-02-28 06:05:32
○ 2026-05-13 17:25:46

●A217.145.84.1352016-02-28 → 2026-05-13 · 3 obs

○ 2015-10-25 09:26:36
● 2016-02-28 06:05:32
● 2026-05-13 17:25:46

○A65.113.143.452009-01-21 → 2009-01-21 · 3 obs

● 2009-01-21 23:58:50
○ 2015-06-06 19:12:56
○ 2026-05-13 17:25:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sysmaster.com	ns1.sysmaster.com, ns2.sysmaster.com	2 records

✅ Authoritative Response

Server:217.145.84.133

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysmaster.com (unsigned zone)

⏱️ Timing

Total: 737ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.145.84.135`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.sysmaster.com, ns2.sysmaster.com)

Analysis

IP Addresses

mx4-2.sysmaster.com points to a single IP address: 217.145.84.135.

Other host names such as mx4.sysmaster.net, mobile.longa.com, mx3.spedia.com, mx1.expirian.net and mx4.sysmaster.com share IP numbers with mx4-2.sysmaster.com.

mx4-2.sysmaster.com - robtex.com