coldzero.pt - dns.ninja

`coldzero.pt`

DNSSEC	⚠️ Not signed
A	142.132.146.190^{🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC}
		PTR	`alpha3.connectserver.org`
NS	`dns1.trignosfera.com` ⭐
		A	142.132.146.190^{🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC}
			PTR	`alpha3.connectserver.org`
NS	`dns2.trignosfera.com`
		A	51.68.143.69^{🇵🇱 OVH51.68.0.0/16}
			PTR	`dns2.trignosfera.com`
NS	`dns3.trignosfera.com`
		A	159.69.95.123^{🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC}
			PTR	`static.123.95.69.159.clients.your-server.de`
MX	`coldzero.pt` ⭐
		A	142.132.146.190^{🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC}
			PTR	`alpha3.connectserver.org`
TXT	`v=spf1 +a +mx +ip4:144.76.109.203 ~all`
SOA	`dns1.trignosfera.com`geral@trignosfera.pt 2026-05-16 #1

`pt`

	DNSSEC	🔒 Signed (DS record present)
	NS	`curiosity.dns.pt` ⭐
	NS	`a.dns.pt`
	NS	`b.dns.pt`
	NS	`c.dns.pt`
	NS	`d.dns.pt`
	NS	`e.dns.pt`
	NS	`g.dns.pt`
	NS	`h.dns.pt`
	NS	`ns.dns.br` ⚠️ Not in parent delegation
	NS	`ns2.nic.fr` ⚠️ Not in parent delegation
	SOA	`curiosity.dns.pt`request@dns.pt 2026-06-11 #47

MX for

coldzero.pt

Subdomains

mail.coldzero.pt

Same first word

coldzero.eu

coldzero.net

coldzero.pt

coldzero.com

Similar names

zerocold.org

DNS History

13 records (5 active, 8 former)

○NSdns1.rede1024.com2015-08-06 → 2016-09-16 · 4 obs

● 2015-08-06 16:15:20
● 2016-09-16 08:03:38
○ 2020-04-13 18:30:50
○ 2026-06-11 23:19:30

●NSdns1.trignosfera.com2020-04-13 → 2026-06-11 · 3 obs

○ 2016-09-16 08:03:38
● 2020-04-13 18:30:50
● 2026-06-11 23:19:30

○NSdns2.rede1024.com2015-08-06 → 2016-09-16 · 4 obs

● 2015-08-06 16:15:20
● 2016-09-16 08:03:38
○ 2020-04-13 18:30:50
○ 2026-06-11 23:19:30

●NSdns2.trignosfera.com2020-04-13 → 2026-06-11 · 3 obs

○ 2016-09-16 08:03:38
● 2020-04-13 18:30:50
● 2026-06-11 23:19:30

○NSdns3.rede1024.com2015-08-06 → 2016-09-16 · 4 obs

● 2015-08-06 16:15:20
● 2016-09-16 08:03:38
○ 2020-04-13 18:30:50
○ 2026-06-11 23:19:30

●NSdns3.trignosfera.com2020-04-13 → 2026-06-11 · 3 obs

○ 2016-09-16 08:03:38
● 2020-04-13 18:30:50
● 2026-06-11 23:19:30

○NSdns4.rede1024.com2015-08-06 → 2016-09-16 · 4 obs

● 2015-08-06 16:15:20
● 2016-09-16 08:03:38
○ 2020-04-13 18:30:50
○ 2026-06-11 23:19:30

●MXcoldzero.pt2020-04-13 → 2026-06-11 · 3 obs

○ 2016-09-16 08:03:38
● 2020-04-13 18:30:50
● 2026-06-11 23:19:30

○MXmx1.rede1024.com2015-08-06 → 2016-09-16 · 4 obs

● 2015-08-06 16:15:20
● 2016-09-16 08:03:38
○ 2020-04-13 18:30:50
○ 2026-06-11 23:19:30

○MXmx2.rede1024.com2015-08-06 → 2016-09-16 · 4 obs

● 2015-08-06 16:15:20
● 2016-09-16 08:03:38
○ 2020-04-13 18:30:50
○ 2026-06-11 23:19:30

●A142.132.146.1902026-03-27 → 2026-06-11 · 3 obs

○ 2020-04-13 18:30:50
● 2026-03-27 04:31:40
● 2026-06-11 23:19:30

○A185.11.164.102015-08-06 → 2016-09-16 · 4 obs

● 2015-08-06 16:15:20
● 2016-09-16 08:03:38
○ 2020-04-13 18:30:50
○ 2026-06-11 23:19:30

○A94.46.179.122020-04-13 → 2020-04-13 · 4 obs

○ 2016-09-16 08:03:38
● 2020-04-13 18:30:50
○ 2026-03-27 04:31:40
○ 2026-06-11 23:19:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt...	-
coldzero.pt	dns3.trignosfera.com, dns2.trignosfera.com, dns1.trignosfera.com	-

✅ Authoritative Response

Server:51.68.143.69

NS records: dns3.trignosfera.com, dns2.trignosfera.com, dns1.trignosfera.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coldzero.pt (unsigned zone)

⏱️ Timing

Total: 913ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`142.132.146.190`
NS	3	`dns2.trignosfera.com, dns1.trignosfera.com...`
MX	1	`coldzero.pt (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:144.76.109.203 ~all`
SOA	1	`dns1.trignosfera.com geral.trignosfera.p`

Analysis

Hierarchy

mail.coldzero.pt is delegated beneath coldzero.pt.

Mail Server Role

coldzero.pt handles its own mail, functioning as its own mail server.

IP Addresses

coldzero.pt resolves to just one IP address, 142.132.146.190.

Two other host names, along with carlosescorcio.com, apcviseu.org and limoncello-chiado.com, also share IP numbers with coldzero.pt.

Name Servers

Three name servers are authoritative for coldzero.pt: dns1.trignosfera.com, dns2.trignosfera.com and dns3.trignosfera.com.

There is at least partial name server overlap between coldzero.pt and other domains — andon.pt, artgalaxie.com, feima.pt and two more among them.

These name servers frequently co-occur with the name servers ns1.trignosfera.com and ns2.trignosfera.com.

Three hostnames, one IP address apiece: dns1.trignosfera.com resolves to 142.132.146.190, dns2.trignosfera.com resolves to 51.68.143.69 and dns3.trignosfera.com resolves to 159.69.95.123.

Mail Servers

coldzero.pt is served by just one mail server: coldzero.pt.

There is one IP number for coldzero.pt: 142.132.146.190.