sys4it.com - dns.ninja

`sys4it.com`

DNSSEC	⚠️ Not signed
A	20.79.183.129^{🇩🇪 Microsoft20.64.0.0/10}
NS	`ns2.checkdomain.de` ⭐
		A	2a01:4f8:2b02:a88::106^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns2.checkdomain.de`
		A	5.9.190.98^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
			PTR	`ns2.checkdomain.de`
NS	`ns.checkdomain.de`
		A	2a02:2b80:101:5000::9^{🇩🇪 CLOUDPIT2a02:2b80:101::/48}
		A	109.237.143.11^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`ns1.checkdomain.de`
MX	`sys4it-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns.checkdomain.de`hostmaster@checkdomain.de 2024-07-20 #4

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1781116168

Previously MX for

sys4it.com

Subdomains

www.sys4it.com

Same first word

sys4it.com

Similar names

it4sys.ch

DNS History

12 records (4 active, 8 former)

●NSns.checkdomain.de2015-11-15 → 2026-06-10 · 2 obs

● 2015-11-15 12:46:48
● 2026-06-10 18:56:48

●NSns2.checkdomain.de2015-11-15 → 2026-06-10 · 2 obs

● 2015-11-15 12:46:48
● 2026-06-10 18:56:48

○MXmail.sys4it.com2015-11-24 → 2016-12-29 · 5 obs

○ 2015-11-15 12:46:48
● 2015-11-24 12:27:26
● 2016-12-29 11:08:10
○ 2018-06-12 02:23:22
○ 2026-06-10 18:56:48

●MXsys4it-com.mail.protection.outlook.com2018-06-12 → 2026-06-10 · 3 obs

○ 2016-12-29 11:08:10
● 2018-06-12 02:23:22
● 2026-06-10 18:56:48

○MXsys4it.com2015-11-15 → 2015-11-15 · 3 obs

● 2015-11-15 12:46:48
○ 2015-11-24 12:27:26
○ 2026-06-10 18:56:48

○A130.185.108.1252015-11-24 → 2016-01-13 · 5 obs

○ 2015-11-15 12:46:48
● 2015-11-24 12:27:26
● 2016-01-13 17:42:00
○ 2016-03-16 19:18:46
○ 2026-06-10 18:56:48

○A130.185.109.772015-11-15 → 2015-11-15 · 3 obs

● 2015-11-15 12:46:48
○ 2015-11-24 12:27:26
○ 2026-06-10 18:56:48

○A185.35.216.1772016-03-16 → 2016-12-29 · 5 obs

○ 2016-01-13 17:42:00
● 2016-03-16 19:18:46
● 2016-12-29 11:08:10
○ 2018-06-12 02:23:22
○ 2026-06-10 18:56:48

●A20.79.183.1292026-02-26 → 2026-06-10 · 3 obs

○ 2018-06-12 02:23:22
● 2026-02-26 01:30:48
● 2026-06-10 18:56:48

○A2a01:4a0:2002:2246:9734:4c26:6044:5f332015-11-24 → 2016-01-13 · 5 obs

○ 2015-11-15 12:46:48
● 2015-11-24 12:27:26
● 2016-01-13 17:42:00
○ 2016-03-16 19:18:46
○ 2026-06-10 18:56:48

○A2a01:4a0:2002:4:1da9:a99f:5423:3cf12015-11-15 → 2015-11-15 · 3 obs

● 2015-11-15 12:46:48
○ 2015-11-24 12:27:26
○ 2026-06-10 18:56:48

○A62.75.162.392018-06-12 → 2018-06-12 · 4 obs

○ 2016-12-29 11:08:10
● 2018-06-12 02:23:22
○ 2026-02-26 01:30:48
○ 2026-06-10 18:56:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net...	-
sys4it.com	ns.checkdomain.de, ns2.checkdomain.de	-

✅ Authoritative Response

Server:5.9.190.98

NS records: ns.checkdomain.de, ns2.checkdomain.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sys4it.com (unsigned zone)

⏱️ Timing

Total: 1219ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.79.183.129`
NS	2	`ns2.checkdomain.de, ns.checkdomain.de`
MX	1	`sys4it-com.mail.protection.outlook.com (`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns.checkdomain.de hostmaster.checkdomain`

Analysis

Hierarchy

www.sys4it.com is delegated beneath sys4it.com.

IP Addresses

sys4it.com points to a single IP number: 20.79.183.129.

www.sys4it.com is an example of another host name that shares IP numbers with sys4it.com.

Name Servers

sys4it.com has two authoritative name servers — ns2.checkdomain.de and ns.checkdomain.de.

sys4it.com shares its name server setup with other domains, including bonsaipeople.com, ummen.net, schnoor.cool and two others.

Both ns2.checkdomain.de and ns.checkdomain.de have two IP addresses each. ns2.checkdomain.de resolves to 5.9.190.98 and 2a01:4f8:2b02:a88::106; ns.checkdomain.de resolves to 109.237.143.11 and 2a02:2b80:101:5000::9.

Mail Servers

sys4it.com has one mail server: sys4it-com.mail.protection.outlook.com.

sys4it-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.12, 52.101.73.8, 52.101.73.22 and 5 other.