`121computers.com`

DNSSEC	⚠️ Not signed
A	193.143.227.11^{🇬🇧 ECHOINTERNET193.143.227.0/24}
		PTR	`cp-227-11.echointernet.net`
NS	`ns1.echointernet.net` ⭐
		A	193.143.227.2^{🇬🇧 ECHOINTERNET193.143.227.0/24}
			PTR	`ns1.echointernet.net`
NS	`ns2.echointernet.net`
		A	85.92.89.131^{🇬🇧 UKNOC-AS85.92.64.0/19 UKNOC-RT}
			PTR	`ns2.echointernet.net`
NS	`ns3.echointernet.net`
		A	193.143.227.3^{🇬🇧 ECHOINTERNET193.143.227.0/24}
			PTR	`ns3.echointernet.net`
NS	`ns4.echointernet.net`
		A	85.92.89.132^{🇬🇧 UKNOC-AS85.92.64.0/19 UKNOC-RT}
			PTR	`ns4.echointernet.net`
MX	`121computers-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`google-site-verification=69DtJLxWN3r_AR20Pbj1x5CHGUnFtfJbNZ-j2RAfcHE`
TXT	`v=spf1 include:_spf.echointernet.net include:spf.protection.outlook.com -all`
TXT	`MS=ms68650941`
SOA	`ns1.echointernet.net`sysops@echointernet.uk 2026-04-09 #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=1776244437

Subdomains

mail.121computers.com

Same first word

121computers.com

121computers.co.uk

Similar names

computers121.com

DNS History

11 records (6 active, 5 former)

○NSns.121computers.com2015-07-13 → 2016-03-04 · 4 obs

● 2015-07-13 02:57:58
● 2016-03-04 01:05:08
○ 2016-06-20 14:44:36
○ 2026-04-15 09:25:10

○NSns1.datatechdtp.com2016-06-20 → 2020-02-12 · 5 obs

○ 2016-03-04 01:05:08
● 2016-06-20 14:44:36
● 2020-02-12 11:51:36
○ 2026-03-18 05:50:34
○ 2026-04-15 09:25:10

●NSns1.echointernet.net2026-03-18 → 2026-04-15 · 3 obs

○ 2020-02-12 11:51:36
● 2026-03-18 05:50:34
● 2026-04-15 09:25:10

○NSns2.datatechdtp.com2016-06-20 → 2020-02-12 · 5 obs

○ 2016-03-04 01:05:08
● 2016-06-20 14:44:36
● 2020-02-12 11:51:36
○ 2026-03-18 05:50:34
○ 2026-04-15 09:25:10

●NSns2.echointernet.net2026-03-18 → 2026-04-15 · 3 obs

○ 2020-02-12 11:51:36
● 2026-03-18 05:50:34
● 2026-04-15 09:25:10

●NSns3.echointernet.net2026-03-18 → 2026-04-15 · 3 obs

○ 2020-02-12 11:51:36
● 2026-03-18 05:50:34
● 2026-04-15 09:25:10

●NSns4.echointernet.net2026-03-18 → 2026-04-15 · 3 obs

○ 2020-02-12 11:51:36
● 2026-03-18 05:50:34
● 2026-04-15 09:25:10

●MX121computers-com.mail.protection.outlook.com2026-03-18 → 2026-04-15 · 3 obs

○ 2020-02-12 11:51:36
● 2026-03-18 05:50:34
● 2026-04-15 09:25:10

○MXmail.121computers.com2015-07-13 → 2020-02-12 · 4 obs

● 2015-07-13 02:57:58
● 2020-02-12 11:51:36
○ 2026-03-18 05:50:34
○ 2026-04-15 09:25:10

●A193.143.227.112026-03-18 → 2026-04-15 · 3 obs

○ 2020-02-12 11:51:36
● 2026-03-18 05:50:34
● 2026-04-15 09:25:10

○A80.82.119.1212015-07-13 → 2020-02-12 · 4 obs

● 2015-07-13 02:57:58
● 2020-02-12 11:51:36
○ 2026-03-18 05:50:34
○ 2026-04-15 09:25:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net...	-
121computers.com	ns1.echointernet.net, ns2.echointernet.net, ns3.echointernet.net, ns4.echointernet.net	-

✅ Authoritative Response

Server:85.92.89.132

NS records: ns1.echointernet.net, ns2.echointernet.net, ns3.echointernet.net, ns4.echointernet.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 121computers.com (unsigned zone)

⏱️ Timing

Total: 470ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.143.227.11`
NS	4	`ns3.echointernet.net, ns4.echointernet.net...`
MX	1	`121computers-com.mail.protection.outlook`
TXT	3	`google-site-verification=69DtJLxWN3r_AR2, v=spf1 include:_spf.echointernet.net inc...`
SOA	1	`ns1.echointernet.net sysops.echointernet`

Analysis

Hierarchy

121computers.com is the parent of mail.121computers.com.

IP Addresses

121computers.com resolves to a single IP: 193.143.227.11.

Other host names, for instance mgs.co.uk, geosense.co.uk, 121computerservices.co.uk, echointernet.co and demco.co.uk share IP numbers with 121computers.com.

Name Servers

121computers.com is delegated to four name servers: ns1.echointernet.net, ns2.echointernet.net, ns3.echointernet.net and ns4.echointernet.net.

121computers.com shares some name servers with other domains, for example icanbea.org.uk, aspirationgh.co.uk, dennisleeco.com, biertonandwoods.co.uk and thomsonsawmills.co.uk.

Host names with a single IP

ns1.echointernet.net resolves to 193.143.227.2

ns2.echointernet.net resolves to 85.92.89.131

ns3.echointernet.net resolves to 193.143.227.3

ns4.echointernet.net resolves to 85.92.89.132

Mail Servers

121computers.com is handled by a single mail server, 121computers-com.mail.protection.outlook.com.

Host 121computers-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::, 52.101.89.0, 52.101.89.1, 52.101.89.2 and 52.101.99.2.

121computers.com - robtex.com