computersoft.cz - dns.ninja

`computersoft.cz`

DNSSEC	⚠️ Not signed
A	2001:1ab0:7e1e:151:62:109:155:165^{🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
		PTR	`dw226.webglobe.com`
A	62.109.155.165^{🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
NS	`ns1.savana.cz` ⭐
		A	2a00:1e40:a:53::5^{🇸🇰 IGNUM-AS2a00:1e40:a::/48}
			PTR	`ns1-bra.core.webglobe.com`
		A	185.65.223.35^{🇸🇰 IGNUM-AS185.65.223.0/24}
			PTR	`ns1-bra.core.webglobe.com`
NS	`ns2.savana.cz`
		A	2001:1ab0:7e1e:2::5^{🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
		A	217.31.48.201^{🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
NS	`ns3.savana.cz`
		A	2a03:b0c0:1:d0::1090:2001^{🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean}
			PTR	`ns3-lon.core.webglobe.com`
		A	178.62.60.201^{🇬🇧 DIGITALOCEAN178.62.0.0/18 DigitalOcean}
			PTR	`ns3-lon.core.webglobe.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c29::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f27.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 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`⁽³⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽⁴⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽⁵⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
TXT	`google._domainkey`
SOA	`ns1.savana.cz`hostmaster@savana.cz 2025-01-15 #1

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1786294041

Same first word

computersoft.it

computersoft.cz

computersoft.net

computersoft.eu

computersoft.com

computersoft.es

computersoft.ru

computersoft.pl

computersoft.net.pl

computersoft.de

computersoft.com.pl

Similar names

softcomputer.pro

softcomputer.net

softcomputer.org

softcomputer.be

footspectrum.com

softcomputer.de

softcomputer.com

spectrumfoto.com

DNS History

21 records (10 active, 11 former)

○NSdawn.ns.cloudflare.com2016-02-28 → 2017-04-10 · 5 obs

○ 2015-11-30 03:50:14
● 2016-02-28 10:10:04
● 2017-04-10 09:19:40
○ 2026-02-19 22:23:32
○ 2026-08-09 17:42:20

○NSlakas.ns.cloudflare.com2016-02-28 → 2017-04-10 · 5 obs

○ 2015-11-30 03:50:14
● 2016-02-28 10:10:04
● 2017-04-10 09:19:40
○ 2026-02-19 22:23:32
○ 2026-08-09 17:42:20

○NSns.forpsi.cz2015-08-08 → 2015-11-30 · 4 obs

● 2015-08-08 22:52:40
● 2015-11-30 03:50:14
○ 2016-02-28 10:10:04
○ 2026-08-09 17:42:20

○NSns.forpsi.it2015-08-08 → 2015-11-30 · 4 obs

● 2015-08-08 22:52:40
● 2015-11-30 03:50:14
○ 2016-02-28 10:10:04
○ 2026-08-09 17:42:20

○NSns.forpsi.net2015-08-08 → 2015-11-30 · 4 obs

● 2015-08-08 22:52:40
● 2015-11-30 03:50:14
○ 2016-02-28 10:10:04
○ 2026-08-09 17:42:20

●NSns1.savana.cz2026-02-19 → 2026-08-09 · 3 obs

○ 2017-04-10 09:19:40
● 2026-02-19 22:23:32
● 2026-08-09 17:42:20

●NSns2.savana.cz2026-02-19 → 2026-08-09 · 3 obs

○ 2017-04-10 09:19:40
● 2026-02-19 22:23:32
● 2026-08-09 17:42:20

●NSns3.savana.cz2026-02-19 → 2026-08-09 · 3 obs

○ 2017-04-10 09:19:40
● 2026-02-19 22:23:32
● 2026-08-09 17:42:20

●MXalt1.aspmx.l.google.com2016-12-20 → 2026-08-09 · 3 obs

○ 2016-06-23 09:50:52
● 2016-12-20 15:00:16
● 2026-08-09 17:42:20

●MXalt2.aspmx.l.google.com2016-12-20 → 2026-08-09 · 3 obs

○ 2016-06-23 09:50:52
● 2016-12-20 15:00:16
● 2026-08-09 17:42:20

●MXalt3.aspmx.l.google.com2016-12-20 → 2026-08-09 · 3 obs

○ 2016-06-23 09:50:52
● 2016-12-20 15:00:16
● 2026-08-09 17:42:20

●MXalt4.aspmx.l.google.com2016-12-20 → 2026-08-09 · 3 obs

○ 2016-06-23 09:50:52
● 2016-12-20 15:00:16
● 2026-08-09 17:42:20

●MXaspmx.l.google.com2016-12-20 → 2026-08-09 · 3 obs

○ 2016-06-23 09:50:52
● 2016-12-20 15:00:16
● 2026-08-09 17:42:20

○MXmailserver.computersoft.cz2015-08-08 → 2016-06-23 · 4 obs

● 2015-08-08 22:52:40
● 2016-06-23 09:50:52
○ 2016-12-20 15:00:16
○ 2026-08-09 17:42:20

○A104.31.90.352016-02-28 → 2016-02-28 · 4 obs

○ 2015-11-30 03:50:14
● 2016-02-28 10:10:04
○ 2016-06-23 09:50:52
○ 2026-08-09 17:42:20

○A104.31.91.352016-02-28 → 2016-02-28 · 4 obs

○ 2015-11-30 03:50:14
● 2016-02-28 10:10:04
○ 2016-06-23 09:50:52
○ 2026-08-09 17:42:20

●A2001:1ab0:7e1e:151:62:109:155:1652026-02-19 → 2026-08-09 · 3 obs

○ 2017-04-10 09:19:40
● 2026-02-19 22:23:32
● 2026-08-09 17:42:20

○A217.16.187.152017-04-10 → 2017-04-10 · 4 obs

○ 2016-12-20 15:00:16
● 2017-04-10 09:19:40
○ 2026-02-19 22:23:32
○ 2026-08-09 17:42:20

○A37.139.2.2472015-08-08 → 2015-11-30 · 4 obs

● 2015-08-08 22:52:40
● 2015-11-30 03:50:14
○ 2016-02-28 10:10:04
○ 2026-08-09 17:42:20

●A62.109.155.1652026-02-19 → 2026-08-09 · 3 obs

○ 2017-04-10 09:19:40
● 2026-02-19 22:23:32
● 2026-08-09 17:42:20

○A81.2.234.2042016-06-23 → 2016-12-20 · 5 obs

○ 2016-02-28 10:10:04
● 2016-06-23 09:50:52
● 2016-12-20 15:00:16
○ 2017-04-10 09:19:40
○ 2026-08-09 17:42:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz	-
computersoft.cz	ns3.savana.cz, ns2.savana.cz, ns1.savana.cz	-

✅ Authoritative Response

Server:217.31.48.201

NS records: ns3.savana.cz, ns2.savana.cz, ns1.savana.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computersoft.cz (unsigned zone)

⏱️ Timing

Total: 1073ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.109.155.165`
AAAA	1	`2001:1ab0:7e1e:151:62:109:155:165`
NS	3	`ns1.savana.cz, ns2.savana.cz...`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	2	`google._domainkey, v=spf1 include:_spf.google.com ~all`
SOA	1	`ns1.savana.cz hostmaster.savana.cz`

Analysis

IP Addresses

computersoft.cz has two IP addresses: 62.109.155.165 and 2001:1ab0:7e1e:151:62:109:155:165

Additional host names — mixel.cz, romek.cz, kv-orto.cz and two others — share IP numbers with computersoft.cz.

Name Servers

DNS for computersoft.cz is handled by three authoritative name servers: ns1.savana.cz, ns2.savana.cz and ns3.savana.cz.

At least some of computersoft.cz's name servers are shared with other domains, for example ferropolymer.cz, eduschool.eu, stonozka.cz and two more.

It is common for these name servers to be used in conjunction with the name servers ns3.webglobe.com, ns1.webglobe.cz and ns2.webglobe.cz.

Three hostnames — ns1.savana.cz, ns2.savana.cz and ns3.savana.cz — each have two IP addresses: ns1.savana.cz has 185.65.223.35 and 2a00:1e40:a:53::5, ns2.savana.cz has 217.31.48.201 and 2001:1ab0:7e1e:2::5, and ns3.savana.cz has 178.62.60.201 and 2a03:b0c0:1:d0::1090:2001.

Mail Servers

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

computersoft.cz shares mail servers — at least in part — with other domains, including gatopardo.com, indianastrologysoftware.in, hannahlassche.nl 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 has two IP addresses: 64.233.180.27 and 2607:f8b0:4004:c29::1b.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.