🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`system5.dev`

DNSSEC	⚠️ Not signed
A	3.170.19.2^{🇺🇸 Amazon3.170.19.0/24}
		PTR	`server-3-170-19-2.iad61.r.cloudfront.net`
A	3.170.19.23^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.25^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.44^{🇺🇸 Amazon3.170.19.0/24}
NS	`ns-1508.awsdns-60.org` ⭐
		A	2600:9000:5305:e400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1508.awsdns-60.org`
		A	205.251.197.228^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1508.awsdns-60.org`
NS	`ns-1878.awsdns-42.co.uk`
		A	2600:9000:5307:5600::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1878.awsdns-42.co.uk`
		A	205.251.199.86^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1878.awsdns-42.co.uk`
NS	`ns-351.awsdns-43.com`
		A	2600:9000:5301:5f00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-351.awsdns-43.com`
		A	205.251.193.95^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-351.awsdns-43.com`
NS	`ns-572.awsdns-07.net`
		A	2600:9000:5302:3c00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-572.awsdns-07.net`
		A	205.251.194.60^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-572.awsdns-07.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=xpULzw_GtPMAOo5WEY6SVRGPTTQVA7YtaavAFUimHvE`
TXT	`v=spf1 include:_spf.google.com include:amazonses.com ~all`
SOA	`ns-1508.awsdns-60.org`awsdns-hostmaster@amazon.com serial=1

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

system5.co.jp

system5.cn

system5.hu

system5.com.br

system5.workers.dev

system5.at

system5.uk

system5.ca

system5.dev

system5.pages.dev

system5.jp

system5.de

system5.net

system5.ru

system5.app

system5.tv

system5.co.za

system5.eu

system5.com

system5.pl

system5.id

Similar names

5system.ru

5ystems.com

5system.com

Previous names

Next names

DNS History

25 records (13 active, 12 former)

●NSns-1508.awsdns-60.org2026-09-26 → 2026-10-02 · 2 obs

● 2026-09-26 00:18:16
● 2026-10-02 19:07:54

●NSns-1878.awsdns-42.co.uk2026-09-26 → 2026-10-02 · 2 obs

● 2026-09-26 00:18:16
● 2026-10-02 19:07:54

●NSns-351.awsdns-43.com2026-09-26 → 2026-10-02 · 2 obs

● 2026-09-26 00:18:16
● 2026-10-02 19:07:54

●NSns-572.awsdns-07.net2026-09-26 → 2026-10-02 · 2 obs

● 2026-09-26 00:18:16
● 2026-10-02 19:07:54

●MXalt1.aspmx.l.google.com2026-09-26 → 2026-10-02 · 2 obs

● 2026-09-26 00:18:16
● 2026-10-02 19:07:54

●MXalt2.aspmx.l.google.com2026-09-26 → 2026-10-02 · 2 obs

● 2026-09-26 00:18:16
● 2026-10-02 19:07:54

●MXalt3.aspmx.l.google.com2026-09-26 → 2026-10-02 · 2 obs

● 2026-09-26 00:18:16
● 2026-10-02 19:07:54

●MXalt4.aspmx.l.google.com2026-09-26 → 2026-10-02 · 2 obs

● 2026-09-26 00:18:16
● 2026-10-02 19:07:54

●MXaspmx.l.google.com2026-09-26 → 2026-10-02 · 2 obs

● 2026-09-26 00:18:16
● 2026-10-02 19:07:54

○A3.160.196.1072026-09-27 → 2026-10-02 · 14 obs

○ 2026-09-26 00:18:16
● 2026-09-27 15:13:06
○ 2026-09-27 18:20:08
● 2026-09-27 23:29:06
○ 2026-09-30 05:36:38
● 2026-09-30 06:14:04
○ 2026-09-30 11:05:34
● 2026-09-30 20:06:10
○ 2026-10-01 00:35:16
● 2026-10-01 22:26:42
○ 2026-10-02 03:32:00
● 2026-10-02 05:28:30
○ 2026-10-02 11:04:50
○ 2026-10-02 19:07:54

○A3.160.196.182026-09-27 → 2026-10-02 · 14 obs

○A3.160.196.322026-09-27 → 2026-10-02 · 14 obs

○A3.160.196.762026-09-27 → 2026-10-02 · 14 obs

●A3.170.19.22026-09-27 → 2026-10-02 · 13 obs

○ 2026-09-27 15:13:06
● 2026-09-27 18:20:08
○ 2026-09-27 23:29:06
● 2026-09-30 05:36:38
○ 2026-09-30 06:14:04
● 2026-09-30 11:05:34
○ 2026-09-30 14:51:50
● 2026-10-01 00:35:16
○ 2026-10-01 22:26:42
● 2026-10-02 03:32:00
○ 2026-10-02 05:28:30
● 2026-10-02 19:07:50
● 2026-10-02 19:07:54

●A3.170.19.232026-09-27 → 2026-10-02 · 13 obs

●A3.170.19.252026-09-27 → 2026-10-02 · 13 obs

●A3.170.19.442026-09-27 → 2026-10-02 · 13 obs

○A99.84.215.1202026-09-30 → 2026-10-02 · 6 obs

○ 2026-09-30 11:05:34
● 2026-09-30 14:51:50
○ 2026-09-30 20:06:10
● 2026-10-02 11:04:50
○ 2026-10-02 19:07:50
○ 2026-10-02 19:07:54

○A99.84.215.152026-09-30 → 2026-10-02 · 6 obs

○ 2026-09-30 11:05:34
● 2026-09-30 14:51:50
○ 2026-09-30 20:06:10
● 2026-10-02 11:04:50
○ 2026-10-02 19:07:50
○ 2026-10-02 19:07:54

○A99.84.215.232026-09-30 → 2026-10-02 · 6 obs

○ 2026-09-30 11:05:34
● 2026-09-30 14:51:50
○ 2026-09-30 20:06:10
● 2026-10-02 11:04:50
○ 2026-10-02 19:07:50
○ 2026-10-02 19:07:54

○A99.84.215.392026-09-30 → 2026-10-02 · 6 obs

○ 2026-09-30 11:05:34
● 2026-09-30 14:51:50
○ 2026-09-30 20:06:10
● 2026-10-02 11:04:50
○ 2026-10-02 19:07:50
○ 2026-10-02 19:07:54

○A99.86.91.1242026-09-26 → 2026-09-26 · 3 obs

● 2026-09-26 00:18:16
○ 2026-09-27 15:13:06
○ 2026-10-02 19:07:54

○A99.86.91.342026-09-26 → 2026-09-26 · 3 obs

● 2026-09-26 00:18:16
○ 2026-09-27 15:13:06
○ 2026-10-02 19:07:54

○A99.86.91.692026-09-26 → 2026-09-26 · 3 obs

● 2026-09-26 00:18:16
○ 2026-09-27 15:13:06
○ 2026-10-02 19:07:54

○A99.86.91.902026-09-26 → 2026-09-26 · 3 obs

● 2026-09-26 00:18:16
○ 2026-09-27 15:13:06
○ 2026-10-02 19:07:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
system5.dev	ns-1508.awsdns-60.org, ns-572.awsdns-07.net, ns-1878.awsdns-42.co.uk, ns-351.awsdns-43.com	-

✅ Authoritative Response

Server:205.251.193.95

NS records: ns-1508.awsdns-60.org, ns-572.awsdns-07.net, ns-1878.awsdns-42.co.uk, ns-351.awsdns-43.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for system5.dev (unsigned zone)

⏱️ Timing

Total: 947ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.19.44, 3.170.19.25...`
NS	4	`ns-1508.awsdns-60.org, ns-1878.awsdns-42.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=xpULzw_GtPMAOo5, v=spf1 include:_spf.google.com include:a`
SOA	1	`ns-1508.awsdns-60.org awsdns-hostmaster.`

Analysis

IP Addresses

system5.dev directs to four IP numbers, which are 3.170.19.2, 3.170.19.23, 3.170.19.25 and 3.170.19.44.

Name Servers

system5.dev has four authoritative name servers: ns-351.awsdns-43.com, ns-572.awsdns-07.net, ns-1508.awsdns-60.org and ns-1878.awsdns-42.co.uk.

There is at least partial name server overlap between system5.dev and other domains — teleradnow.net, bluepoint.uk.com, ixacs.jp and two more among them.

All four hostnames — ns-351.awsdns-43.com, ns-572.awsdns-07.net, ns-1508.awsdns-60.org and ns-1878.awsdns-42.co.uk — resolve to two IP numbers apiece: ns-351.awsdns-43.com to 205.251.193.95 and 2600:9000:5301:5f00::1; ns-572.awsdns-07.net to 205.251.194.60 and 2600:9000:5302:3c00::1; ns-1508.awsdns-60.org to 205.251.197.228 and 2600:9000:5305:e400::1; ns-1878.awsdns-42.co.uk to 205.251.199.86 and 2600:9000:5307:5600::1.

Mail Servers

Five mail servers handle system5.dev: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

system5.dev shares mail servers — at least in part — with other domains, including next-1-rental.jp, abilenepdretirees.com, daze-mgmt.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com resolves to 192.178.155.27 and 2607:f8b0:4004:c1d::1a.

alt1.aspmx.l.google.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1a.