mail.sim-sys-tech.com - dns.ninja

`mail.sim-sys-tech.com`

DNSSEC	⚠️ Not signed
A	50.205.181.180^{🇺🇸 COMCAST-IBONE50.128.0.0/9 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054}
		PTR	`mail.s-s-t-i.com`

`sim-sys-tech.com`

	DNSSEC	⚠️ Not signed
	A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
	A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
	NS	`ns37.domaincontrol.com` ⭐
	NS	`ns38.domaincontrol.com`
	MX	`mail.sim-sys-tech.com` ⭐
	TXT	`v=spf1 mx ip4:50.205.181.180 -all`
	SOA	`ns37.domaincontrol.com`dns@jomax.net 2026-06-09 #5

MX for

sim-sys-tech.com

Same first word

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DNS History

3 records (1 active, 2 former)

○A209.118.35.752015-05-31 → 2016-09-23 · 4 obs

● 2015-05-31 07:25:56
● 2016-09-23 21:01:52
○ 2026-02-27 09:53:40
○ 2026-07-01 19:43:16

○A50.205.181.1792026-02-27 → 2026-02-27 · 4 obs

○ 2016-09-23 21:01:52
● 2026-02-27 09:53:40
○ 2026-06-29 17:59:26
○ 2026-07-01 19:43:16

●A50.205.181.1802026-06-29 → 2026-07-01 · 3 obs

○ 2026-02-27 09:53:40
● 2026-06-29 17:59:26
● 2026-07-01 19:43:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...	-
sim-sys-tech.com	ns37.domaincontrol.com, ns38.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.76.19

NS records: ns37.domaincontrol.com, ns38.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sim-sys-tech.com (unsigned zone)

⏱️ Timing

Total: 674ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.205.181.180`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)

Analysis

Mail Server Role

The mail server mail.sim-sys-tech.com processes email for sim-sys-tech.com.

IP Addresses

mail.sim-sys-tech.com resolves to just one IP address, 50.205.181.180.

Host names like mail.s-s-t-i.com are further examples that share IP numbers with mail.sim-sys-tech.com.