istsystem.com - dns.ninja

`istsystem.com`

DNSSEC	⚠️ Not signed
A	46.51.181.125^{🇮🇪 Amazon46.51.128.0/18 EU AWS Dublin}
		PTR	`ec2-46-51-181-125.eu-west-1.compute.amazonaws.com`
NS	`ns1036.ui-dns.de` ⭐
		A	2001:8d8:fe:53:0:d9a0:5024:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.de`
		A	217.160.80.36^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.de`
NS	`ns1036.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5124:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.biz`
		A	217.160.81.36^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.biz`
NS	`ns1036.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5224:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.com`
		A	217.160.82.36^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.com`
NS	`ns1036.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5324:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.org`
		A	217.160.83.36^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.org`
MX	`mx00.ionos.co.uk` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.co.uk` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1036.ui-dns.de`hostmaster@1and1.co.uk 2017-07-31 #19

`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=1781556290

Same first word

istsystem.com

Similar names

DNS History

13 records (7 active, 6 former)

●NSns1036.ui-dns.biz2026-03-20 → 2026-06-15 · 3 obs

○ 2017-07-08 14:32:20
● 2026-03-20 01:43:14
● 2026-06-15 20:54:16

●NSns1036.ui-dns.com2026-03-20 → 2026-06-15 · 3 obs

○ 2017-07-08 14:32:20
● 2026-03-20 01:43:14
● 2026-06-15 20:54:16

●NSns1036.ui-dns.de2026-03-20 → 2026-06-15 · 3 obs

○ 2017-07-08 14:32:20
● 2026-03-20 01:43:14
● 2026-06-15 20:54:16

●NSns1036.ui-dns.org2026-03-20 → 2026-06-15 · 3 obs

○ 2017-07-08 14:32:20
● 2026-03-20 01:43:14
● 2026-06-15 20:54:16

○NSns67.1and1.co.uk2015-06-25 → 2017-07-08 · 4 obs

● 2015-06-25 19:42:02
● 2017-07-08 14:32:20
○ 2026-03-20 01:43:14
○ 2026-06-15 20:54:16

○NSns68.1and1.co.uk2015-06-25 → 2017-07-08 · 4 obs

● 2015-06-25 19:42:02
● 2017-07-08 14:32:20
○ 2026-03-20 01:43:14
○ 2026-06-15 20:54:16

○MXmx00.1and1.co.uk2015-06-25 → 2017-07-08 · 4 obs

● 2015-06-25 19:42:02
● 2017-07-08 14:32:20
○ 2026-03-20 01:43:14
○ 2026-06-15 20:54:16

●MXmx00.ionos.co.uk2026-03-20 → 2026-06-15 · 3 obs

○ 2017-07-08 14:32:20
● 2026-03-20 01:43:14
● 2026-06-15 20:54:16

○MXmx01.1and1.co.uk2015-06-25 → 2017-07-08 · 4 obs

● 2015-06-25 19:42:02
● 2017-07-08 14:32:20
○ 2026-03-20 01:43:14
○ 2026-06-15 20:54:16

●MXmx01.ionos.co.uk2026-03-20 → 2026-06-15 · 3 obs

○ 2017-07-08 14:32:20
● 2026-03-20 01:43:14
● 2026-06-15 20:54:16

○A2001:8d8:1000:2064:cfb2:38e4:2187:38212015-06-25 → 2017-07-08 · 4 obs

● 2015-06-25 19:42:02
● 2017-07-08 14:32:20
○ 2026-03-20 01:43:14
○ 2026-06-15 20:54:16

●A46.51.181.1252026-03-20 → 2026-06-15 · 3 obs

○ 2017-07-08 14:32:20
● 2026-03-20 01:43:14
● 2026-06-15 20:54:16

○A54.75.172.1412015-06-25 → 2017-07-08 · 4 obs

● 2015-06-25 19:42:02
● 2017-07-08 14:32:20
○ 2026-03-20 01:43:14
○ 2026-06-15 20:54:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
istsystem.com	ns1036.ui-dns.de, ns1036.ui-dns.biz, ns1036.ui-dns.org, ns1036.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.83.36

NS records: ns1036.ui-dns.de, ns1036.ui-dns.biz, ns1036.ui-dns.org, ns1036.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for istsystem.com (unsigned zone)

⏱️ Timing

Total: 496ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.51.181.125`
NS	4	`ns1036.ui-dns.de, ns1036.ui-dns.com...`
MX	2	`mx00.ionos.co.uk (pri: 10), mx01.ionos.co.uk (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1036.ui-dns.de hostmaster.1and1.co.uk`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1036.ui-dns.com, ns1036.ui-dns.com)

Analysis

IP Addresses

istsystem.com has exactly one IP address — 46.51.181.125.

Other host names share IP numbers with istsystem.com; ec2-46-51-181-125.eu-west-1.compute.amazonaws.com is one such example.

Name Servers

Four name servers handle the delegation for istsystem.com: ns1036.ui-dns.biz, ns1036.ui-dns.com, ns1036.ui-dns.de and ns1036.ui-dns.org.

istsystem.com shares at least some of its name servers with other domains, including businessbarn.net, trouverunexpertcomptable.fr, lopesanhotelmanagement.com and two others.

These name servers are frequently seen alongside ns1085.ui-dns.biz, ns1031.ui-dns.org, ns1060.ui-dns.biz and 6 other name servers.

The host names ns1036.ui-dns.biz, ns1036.ui-dns.com, ns1036.ui-dns.de and ns1036.ui-dns.org each resolve to two IP addresses: ns1036.ui-dns.biz resolves to 217.160.81.36 and 2001:8d8:fe:53:0:d9a0:5124:100; ns1036.ui-dns.com resolves to 217.160.82.36 and 2001:8d8:fe:53:0:d9a0:5224:100; ns1036.ui-dns.de resolves to 217.160.80.36 and 2001:8d8:fe:53:0:d9a0:5024:100; ns1036.ui-dns.org resolves to 217.160.83.36 and 2001:8d8:fe:53:0:d9a0:5324:100.

Mail Servers

istsystem.com uses two mail servers, mx00.ionos.co.uk and mx01.ionos.co.uk.

The mail server setup of istsystem.com matches that of other domains such as esyntrik.com, ecolededansefilpi.com, vivaah.co.uk and two others.

mx00.ionos.co.uk and mx01.ionos.co.uk each resolve to one IP number: mx00.ionos.co.uk points to 212.227.15.41 and mx01.ionos.co.uk points to 217.72.192.67.