sys-i.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sys-i.com`

DNSSEC	⚠️ Not signed
A	77.72.2.82^{🇬🇧 KRYSTAL77.72.2.0/24}
		PTR	`remarka-lon.krystal.uk`
NS	`ns1.krystal.uk` ⭐ ⚠️ Not in parent delegation
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns1.krystal.co.uk` ⚠️ Not in zone NS records
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns2.krystal.co.uk` ⚠️ Not in zone NS records
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`
NS	`ns2.krystal.uk` ⚠️ Not in parent delegation
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`
MX	`mx1.krystal.uk` ⭐
		A	185.53.56.44^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx1.strikemail.co.uk`
		A	185.53.56.46^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx1.strikemail.co.uk`
MX	`mx2.krystal.uk`⁽²⁰⁾
		A	185.53.56.45^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx2.strikemail.co.uk`
		A	185.53.56.47^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx2.strikemail.co.uk`
TXT	`v=spf1 include:relay.k.io ip4:77.72.2.82 ip4:77.72.1.16 ip4:77.72.1.18 a mx ~all`
SOA	`ns1.krystal.uk`admin@k-validator-remarka-lon.krystal.uk 2026-07-22 #1

`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=1786876719

Same first word

sys-i.net

sys-i.com

sys-i.de

Similar names

i-sys.com.vn

y-sis.com

i-sys.be

i-sys.dk

i-sys.in

ys-is.com

i-sys.com

i-sys.ru

i-sys.pl

i-sys.co.il

i-sys.kz

i-sys.de

i-sys.biz

i-sys.at

sy-si.com

DNS History

11 records (7 active, 4 former)

●NSns1.krystal.co.uk2026-03-13 → 2026-08-16 · 3 obs

○ 2016-12-27 00:00:32
● 2026-03-13 09:24:56
● 2026-08-16 10:53:26

●NSns1.krystal.uk2026-03-13 → 2026-08-16 · 3 obs

○ 2016-12-27 00:00:32
● 2026-03-13 09:24:56
● 2026-08-16 10:53:26

○NSns1.mediatemple.net2015-08-15 → 2016-12-27 · 4 obs

● 2015-08-15 17:59:28
● 2016-12-27 00:00:32
○ 2026-03-13 09:24:56
○ 2026-08-16 10:53:26

●NSns2.krystal.co.uk2026-03-13 → 2026-08-16 · 3 obs

○ 2016-12-27 00:00:32
● 2026-03-13 09:24:56
● 2026-08-16 10:53:26

●NSns2.krystal.uk2026-03-13 → 2026-08-16 · 3 obs

○ 2016-12-27 00:00:32
● 2026-03-13 09:24:56
● 2026-08-16 10:53:26

○NSns2.mediatemple.net2015-08-15 → 2016-12-27 · 4 obs

● 2015-08-15 17:59:28
● 2016-12-27 00:00:32
○ 2026-03-13 09:24:56
○ 2026-08-16 10:53:26

○MXmail.sys-i.com2015-08-15 → 2016-12-27 · 4 obs

● 2015-08-15 17:59:28
● 2016-12-27 00:00:32
○ 2026-03-13 09:24:56
○ 2026-08-16 10:53:26

●MXmx1.krystal.uk2026-03-13 → 2026-08-16 · 3 obs

○ 2016-12-27 00:00:32
● 2026-03-13 09:24:56
● 2026-08-16 10:53:26

●MXmx2.krystal.uk2026-03-13 → 2026-08-16 · 3 obs

○ 2016-12-27 00:00:32
● 2026-03-13 09:24:56
● 2026-08-16 10:53:26

○A205.186.175.812015-08-15 → 2016-12-27 · 4 obs

● 2015-08-15 17:59:28
● 2016-12-27 00:00:32
○ 2026-03-13 09:24:56
○ 2026-08-16 10:53:26

●A77.72.2.822026-03-13 → 2026-08-16 · 3 obs

○ 2016-12-27 00:00:32
● 2026-03-13 09:24:56
● 2026-08-16 10:53:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net...	-
sys-i.com	ns1.krystal.co.uk, ns2.krystal.co.uk	-

✅ Authoritative Response

Server:139.162.230.184

NS records: ns1.krystal.co.uk, ns2.krystal.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1526ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.2.82`
NS	2	`ns2.krystal.uk, ns1.krystal.uk`
MX	2	`mx1.krystal.uk (pri: 10), mx2.krystal.uk (pri: 20)`
TXT	1	`v=spf1 include:relay.k.io ip4:77.72.2.82`
SOA	1	`ns1.krystal.uk admin.k-validator-remarka`

Analysis

IP Addresses

sys-i.com has exactly one IP address — 77.72.2.82.

andreasart.net, priselci.com, fulcrum-associates.co.uk plus two other host names have IP numbers in common with sys-i.com.

Name Servers

Four name servers handle the delegation for sys-i.com: ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.

At least some of sys-i.com's name servers are shared with other domains, for example speysidedistillers.co.uk, hesten.dk, magiccakes.co.uk and two more.

These name servers tend to co-occur with ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.krystal.io and 7 other name servers in the same DNS delegations.

ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk each point to exactly one IP address. ns1.krystal.uk directs to 77.72.0.11, ns2.krystal.uk directs to 139.162.230.184, ns1.krystal.co.uk directs to 77.72.0.11 and ns2.krystal.co.uk directs to 139.162.230.184. Two pairs share an IP: ns1.krystal.uk and ns1.krystal.co.uk share 77.72.0.11, and ns2.krystal.uk and ns2.krystal.co.uk share 139.162.230.184.

These two host names — ns1.krystal.uk and ns1.krystal.co.uk — each point to 77.72.0.11 IP addresses.

These two host names — ns2.krystal.uk and ns2.krystal.co.uk — each point to 139.162.230.184 IP addresses.

Mail Servers

sys-i.com uses two mail servers, mx1.krystal.uk and mx2.krystal.uk.

The mail server setup of sys-i.com matches that of other domains such as calchou.com, tradusgroup.com, canbridgemanagement.com and two others.

Each of the two host names carries two IP addresses: mx1.krystal.uk points to 185.53.56.44 and 185.53.56.46, and mx2.krystal.uk points to 185.53.56.45 and 185.53.56.47.