`coretoolz.com`

DNSSEC	⚠️ Not signed
A	195.231.30.252^{🇮🇹 ARUBA-ASN195.231.0.0/19 Aruba S.p.A. Network}
		PTR	`host252-30-231-195.serverdedicati.aruba.it`
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	`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	`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	`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.coretoolz.com` ⭐
		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	`dns3.arubadns.net`hostmaster@coretoolz.com 2025-05-25 #4

`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=1778802721

Subdomains

mx.coretoolz.com

Same first word

coretoolz.com

DNS History

13 records (6 active, 7 former)

●NSdns.technorail.com2026-03-27 → 2026-05-15 · 3 obs

○ 2020-03-21 04:39:52
● 2026-03-27 04:39:40
● 2026-05-15 00:08:28

○NSdns1.registrar-servers.com2015-05-19 → 2020-03-21 · 4 obs

● 2015-05-19 17:47:14
● 2020-03-21 04:39:52
○ 2026-03-27 04:39:40
○ 2026-05-15 00:08:28

○NSdns2.registrar-servers.com2015-10-15 → 2020-03-21 · 5 obs

○ 2015-05-19 17:47:14
● 2015-10-15 01:45:26
● 2020-03-21 04:39:52
○ 2026-03-27 04:39:40
○ 2026-05-15 00:08:28

●NSdns2.technorail.com2026-03-27 → 2026-05-15 · 3 obs

○ 2020-03-21 04:39:52
● 2026-03-27 04:39:40
● 2026-05-15 00:08:28

●NSdns3.arubadns.net2026-03-27 → 2026-05-15 · 3 obs

○ 2020-03-21 04:39:52
● 2026-03-27 04:39:40
● 2026-05-15 00:08:28

○NSdns3.registrar-servers.com2015-10-15 → 2020-03-21 · 5 obs

○ 2015-05-19 17:47:14
● 2015-10-15 01:45:26
● 2020-03-21 04:39:52
○ 2026-03-27 04:39:40
○ 2026-05-15 00:08:28

●NSdns4.arubadns.cz2026-03-27 → 2026-05-15 · 3 obs

○ 2020-03-21 04:39:52
● 2026-03-27 04:39:40
● 2026-05-15 00:08:28

○NSdns4.registrar-servers.com2015-10-15 → 2020-03-21 · 5 obs

○ 2015-05-19 17:47:14
● 2015-10-15 01:45:26
● 2020-03-21 04:39:52
○ 2026-03-27 04:39:40
○ 2026-05-15 00:08:28

○NSdns5.registrar-servers.com2015-10-15 → 2020-03-21 · 5 obs

○ 2015-05-19 17:47:14
● 2015-10-15 01:45:26
● 2020-03-21 04:39:52
○ 2026-03-27 04:39:40
○ 2026-05-15 00:08:28

○MXgator4098.hostgator.com2015-05-19 → 2020-03-21 · 4 obs

● 2015-05-19 17:47:14
● 2020-03-21 04:39:52
○ 2026-03-27 04:39:40
○ 2026-05-15 00:08:28

●MXmx.coretoolz.com2026-03-27 → 2026-05-15 · 3 obs

○ 2020-03-21 04:39:52
● 2026-03-27 04:39:40
● 2026-05-15 00:08:28

○A192.185.39.2542015-05-19 → 2020-03-21 · 4 obs

● 2015-05-19 17:47:14
● 2020-03-21 04:39:52
○ 2026-03-27 04:39:40
○ 2026-05-15 00:08:28

●A195.231.30.2522026-03-27 → 2026-05-15 · 3 obs

○ 2020-03-21 04:39:52
● 2026-03-27 04:39:40
● 2026-05-15 00:08:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net...	-
coretoolz.com	dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz, dns3.arubadns.net	4 records

✅ Authoritative Response

Server:81.2.216.238

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coretoolz.com (unsigned zone)

⏱️ Timing

Total: 1020ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.231.30.252`
NS	4	`dns2.technorail.com, dns.technorail.com...`
MX	1	`mx.coretoolz.com (pri: 10)`
TXT	1	`v=spf1 include:_spf.aruba.it ~all`
SOA	1	`dns3.arubadns.net hostmaster.coretoolz.c`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns2.technorail.com, dns2.technorail.com, dns.technorail.com...)

Analysis

Hierarchy

coretoolz.com is the parent of mx.coretoolz.com.

IP Addresses

coretoolz.com points to IP number 195.231.30.252.

Other host names for example networks2000.it, nw2000.it and eurohotelweb.com share IP numbers with coretoolz.com.

Name Servers

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

coretoolz.com shares name servers with other domains at least partially, for example confabitare.org, sot23.it, amtv.it, sanfrancescospa.it and crossx.it.