tutorialcomputer.it - dns.ninja

`tutorialcomputer.it`

DNSSEC	⚠️ Not signed
A	2a00:6d40:4:3::c234:17^{🇮🇹 ARUBA-ASN2a00:6d40::/32 Aruba S.p.A. IPv6 Network}
A	89.46.106.17^{🇮🇹 ARUBA-ASN89.46.104.0/21 Aruba S.p.A. Network}
NS	`dns2.technorail.com` ⭐
		A	2a00:6d42:3:2096::f:1^{🇮🇹 ARUBA-ASN2a00:6d42::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns2.technorail.com`
		A	95.110.136.8^{🇮🇹 ARUBA-ASN95.110.136.0/21 Aruba S.p.A. Network}
			PTR	`dns2.technorail.com`
NS	`dns.technorail.com`
		A	2a00:6d40:2:2082::f:1^{🇮🇹 ARUBA-ASN2a00:6d40::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns.technorail.com`
		A	94.177.210.13^{🇮🇹 ARUBA-ASN94.177.208.0/22 Aruba S.p.A. Network}
			PTR	`dns.technorail.com`
NS	`dns3.arubadns.net`
		A	2a00:6d41:3:206e::f:1^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns3.arubadns.net`
		A	95.110.220.5^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`dns3.arubadns.net`
NS	`dns4.arubadns.cz`
		A	2001:15e8:104:4::d8ee^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`dns4.arubadns.cz`
		A	81.2.216.238^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`dns4.arubadns.cz`
MX	`mx.tutorialcomputer.it` ⭐
		A	62.149.128.72^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd4.aruba.it`
		A	62.149.128.74^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd5.aruba.it`
		A	62.149.128.151^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd6.aruba.it`
		A	62.149.128.154^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd7.aruba.it`
		A	62.149.128.157^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd8.aruba.it`
		A	62.149.128.160^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd1.aruba.it`
		A	62.149.128.163^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd2.aruba.it`
		A	62.149.128.166^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd3.aruba.it`
TXT	`v=spf1 include:_spf.aruba.it ~all`
SOA	`dns.technorail.com`hostmaster@tutorialcomputer.it 2025-12-09 #1

`it`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.it` ⭐
	NS	`a.dns.it`
	NS	`m.dns.it`
	NS	`nameserver.cnr.it`
	NS	`r.dns.it`
	NS	`v.dns.it`
	SOA	`dns.nic.it`hostmaster@nic.it 2026-06-10 #21

Subdomains

mx.tutorialcomputer.it

Same first word

tutorialcomputer.it

Similar names

computertutorial.com

DNS History

25 records (7 active, 18 former)

●NSdns.technorail.com2018-08-15 → 2026-06-10 · 3 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
● 2026-06-10 19:30:00

●NSdns2.technorail.com2018-08-15 → 2026-06-10 · 3 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
● 2026-06-10 19:30:00

●NSdns3.arubadns.net2018-08-15 → 2026-06-10 · 3 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
● 2026-06-10 19:30:00

●NSdns4.arubadns.cz2018-08-15 → 2026-06-10 · 3 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
● 2026-06-10 19:30:00

○NSns1.w4w.guest.it2015-07-11 → 2017-01-22 · 4 obs

● 2015-07-11 09:52:40
● 2017-01-22 12:33:40
○ 2018-08-15 18:59:44
○ 2026-06-10 19:30:00

○NSns2.w4w.guest.it2015-07-11 → 2017-01-22 · 4 obs

● 2015-07-11 09:52:40
● 2017-01-22 12:33:40
○ 2018-08-15 18:59:44
○ 2026-06-10 19:30:00

○NSns3.w4w.guest.it2015-07-11 → 2017-01-22 · 4 obs

● 2015-07-11 09:52:40
● 2017-01-22 12:33:40
○ 2018-08-15 18:59:44
○ 2026-06-10 19:30:00

○NSns4.w4w.guest.it2015-07-11 → 2017-01-22 · 4 obs

● 2015-07-11 09:52:40
● 2017-01-22 12:33:40
○ 2018-08-15 18:59:44
○ 2026-06-10 19:30:00

●MXmx.tutorialcomputer.it2018-08-15 → 2026-06-10 · 3 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
● 2026-06-10 19:30:00

○MXmx1.smtp-in.web4web.it2015-07-11 → 2017-01-22 · 4 obs

● 2015-07-11 09:52:40
● 2017-01-22 12:33:40
○ 2018-08-15 18:59:44
○ 2026-06-10 19:30:00

○MXmx2.smtp-in.web4web.it2015-07-11 → 2017-01-22 · 4 obs

● 2015-07-11 09:52:40
● 2017-01-22 12:33:40
○ 2018-08-15 18:59:44
○ 2026-06-10 19:30:00

○MXmx3.smtp-in.web4web.it2015-07-11 → 2017-01-22 · 4 obs

● 2015-07-11 09:52:40
● 2017-01-22 12:33:40
○ 2018-08-15 18:59:44
○ 2026-06-10 19:30:00

○MXmx4.smtp-in.web4web.it2015-07-11 → 2017-01-22 · 4 obs

● 2015-07-11 09:52:40
● 2017-01-22 12:33:40
○ 2018-08-15 18:59:44
○ 2026-06-10 19:30:00

●A2a00:6d40:4:3::c234:172026-02-21 → 2026-06-10 · 3 obs

○ 2018-08-15 18:59:44
● 2026-02-21 02:02:48
● 2026-06-10 19:30:00

○A2a02:ed8:4444::102015-07-11 → 2016-02-09 · 4 obs

● 2015-07-11 09:52:40
● 2016-02-09 00:32:46
○ 2016-04-29 23:18:34
○ 2026-06-10 19:30:00

○A62.149.128.1512018-08-15 → 2018-08-15 · 4 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
○ 2026-02-21 02:02:48
○ 2026-06-10 19:30:00

○A62.149.128.1542018-08-15 → 2018-08-15 · 4 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
○ 2026-02-21 02:02:48
○ 2026-06-10 19:30:00

○A62.149.128.1572018-08-15 → 2018-08-15 · 4 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
○ 2026-02-21 02:02:48
○ 2026-06-10 19:30:00

○A62.149.128.1602018-08-15 → 2018-08-15 · 4 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
○ 2026-02-21 02:02:48
○ 2026-06-10 19:30:00

○A62.149.128.1632018-08-15 → 2018-08-15 · 4 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
○ 2026-02-21 02:02:48
○ 2026-06-10 19:30:00

○A62.149.128.1662018-08-15 → 2018-08-15 · 4 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
○ 2026-02-21 02:02:48
○ 2026-06-10 19:30:00

○A62.149.128.722018-08-15 → 2018-08-15 · 4 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
○ 2026-02-21 02:02:48
○ 2026-06-10 19:30:00

○A62.149.128.742018-08-15 → 2018-08-15 · 4 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
○ 2026-02-21 02:02:48
○ 2026-06-10 19:30:00

○A77.95.174.102015-07-11 → 2017-01-22 · 4 obs

● 2015-07-11 09:52:40
● 2017-01-22 12:33:40
○ 2018-08-15 18:59:44
○ 2026-06-10 19:30:00

●A89.46.106.172018-08-15 → 2026-06-10 · 3 obs

○ 2017-01-22 12:33:40
● 2018-08-15 18:59:44
● 2026-06-10 19:30:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
it	a.dns.it, m.dns.it, dns.nic.it, v.dns.it...	-
tutorialcomputer.it	dns3.arubadns.net, dns4.arubadns.cz, dns.technorail.com, dns2.technorail.com	-

✅ Authoritative Response

Server:94.177.210.13

NS records: dns3.arubadns.net, dns4.arubadns.cz, dns.technorail.com, dns2.technorail.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorialcomputer.it (unsigned zone)

⏱️ Timing

Total: 990ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.46.106.17`
AAAA	1	`2a00:6d40:4:3::c234:17`
NS	4	`dns.technorail.com, dns4.arubadns.cz...`
MX	1	`mx.tutorialcomputer.it (pri: 10)`
TXT	1	`v=spf1 include:_spf.aruba.it ~all`
SOA	1	`dns.technorail.com hostmaster.tutorialco`

Analysis

Hierarchy

mx.tutorialcomputer.it is delegated beneath tutorialcomputer.it.

IP Addresses

tutorialcomputer.it points to two IP numbers: 89.46.106.17 and 2a00:6d40:4:3::c234:17.

Among the host names that share IP numbers with tutorialcomputer.it are kelgiordano.com, taxi-rovereto.com, www.europrojectunisrl.com and two others.

Name Servers

tutorialcomputer.it is delegated to four name servers, dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net.

There is at least partial name server overlap between tutorialcomputer.it and other domains — dicosta.name, liberademolizioni.com, missionecristiana.org and two more among them.

All four hostnames — dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net — resolve to two IP numbers apiece: dns2.technorail.com to 95.110.136.8 and 2a00:6d42:3:2096::f:1; dns.technorail.com to 94.177.210.13 and 2a00:6d40:2:2082::f:1; dns4.arubadns.cz to 81.2.216.238 and 2001:15e8:104:4::d8ee; dns3.arubadns.net to 95.110.220.5 and 2a00:6d41:3:206e::f:1.

Mail Servers

tutorialcomputer.it routes its mail through a single mail server, mx.tutorialcomputer.it.

mx.tutorialcomputer.it directs to 8 IP numbers, including 62.149.128.72, 62.149.128.74 and 62.149.128.151, along with 5 other.