coolzero.us - dns.ninja

`coolzero.us`

DNSSEC	🔒 Signed (DS record present)
A	2a01:7c8:e100:1::50a0^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
		PTR	`webhosting.transip.nl`
A	86.105.244.1^{🇳🇱 TRANSIP-AS86.105.244.0/22 TransIP BV Amsterdam, The Netherlands}
NS	`ns0.transip.net` ⭐
		A	2a01:7c8:dddd:195::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns0.transip.net`
		A	195.135.195.195^{🇮🇹 TRANSIP-AS195.135.195.0/24 TransIP B.V.}
			PTR	`ns0.transip.net`
NS	`ns1.transip.nl`
		A	2a01:7c8:7000:195::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns1.transip.nl`
		A	195.8.195.195^{🇳🇱 TRANSIP-AS195.8.195.0/24 TransIP B.V.}
			PTR	`ns1.transip.nl`
NS	`ns2.transip.eu`
		A	2a01:7c8:f:c1f::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns2.transip.eu`
		A	37.97.199.195^{🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands}
			PTR	`ns2.transip.eu`
MX	`mx.transip.email` ⭐
		A	2a01:7c8:e100:1::4aaf^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`mx.transip.email`
		A	86.105.244.9^{🇳🇱 TRANSIP-AS86.105.244.0/22 TransIP BV Amsterdam, The Netherlands}
			PTR	`mx.transip.email`
SOA	`ns0.transip.net`hostmaster@transip.nl 2026-04-20 #3

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1780933383

Subdomains

mail.coolzero.us

Same first word

coolzero.com

coolzero.info

coolzero.us

coolzero.net

coolzero.org

coolzero.nl

Similar names

DNS History

16 records (6 active, 10 former)

○NSdns.fallbackdiensten.nl2015-06-27 → 2016-06-21 · 4 obs

● 2015-06-27 14:06:54
● 2016-06-21 16:04:32
○ 2016-12-23 12:50:08
○ 2026-06-08 16:16:22

●NSns0.transip.net2026-03-31 → 2026-06-08 · 3 obs

○ 2016-12-23 12:50:08
● 2026-03-31 16:27:02
● 2026-06-08 16:16:22

○NSns0.transip.nl2016-12-23 → 2016-12-23 · 4 obs

○ 2016-06-21 16:04:32
● 2016-12-23 12:50:08
○ 2026-03-31 16:27:02
○ 2026-06-08 16:16:22

○NSns1.jenthosting.com2015-06-27 → 2016-06-21 · 4 obs

● 2015-06-27 14:06:54
● 2016-06-21 16:04:32
○ 2016-12-23 12:50:08
○ 2026-06-08 16:16:22

○NSns1.transip.net2016-12-23 → 2016-12-23 · 4 obs

○ 2016-06-21 16:04:32
● 2016-12-23 12:50:08
○ 2026-03-31 16:27:02
○ 2026-06-08 16:16:22

●NSns1.transip.nl2026-03-31 → 2026-06-08 · 3 obs

○ 2016-12-23 12:50:08
● 2026-03-31 16:27:02
● 2026-06-08 16:16:22

○NSns2.jenthosting.com2015-06-27 → 2016-06-21 · 4 obs

● 2015-06-27 14:06:54
● 2016-06-21 16:04:32
○ 2016-12-23 12:50:08
○ 2026-06-08 16:16:22

●NSns2.transip.eu2016-12-23 → 2026-06-08 · 3 obs

○ 2016-06-21 16:04:32
● 2016-12-23 12:50:08
● 2026-06-08 16:16:22

○MXmail.coolzero.us2015-06-27 → 2016-06-21 · 4 obs

● 2015-06-27 14:06:54
● 2016-06-21 16:04:32
○ 2016-12-23 12:50:08
○ 2026-06-08 16:16:22

●MXmx.transip.email2026-03-31 → 2026-06-08 · 3 obs

○ 2016-12-23 12:50:08
● 2026-03-31 16:27:02
● 2026-06-08 16:16:22

○MXs3.coolzero.info2016-12-23 → 2016-12-23 · 4 obs

○ 2016-06-21 16:04:32
● 2016-12-23 12:50:08
○ 2026-03-31 16:27:02
○ 2026-06-08 16:16:22

○A149.210.233.622015-12-18 → 2016-12-23 · 5 obs

○ 2015-09-21 07:01:12
● 2015-12-18 19:30:24
● 2016-12-23 12:50:08
○ 2026-03-31 16:27:02
○ 2026-06-08 16:16:22

○A2a01:7c8:aab9:5f6:ea7:1337:dead:c0de2016-12-23 → 2016-12-23 · 4 obs

○ 2015-12-18 19:30:24
● 2016-12-23 12:50:08
○ 2026-03-31 16:27:02
○ 2026-06-08 16:16:22

●A2a01:7c8:e100:1::50a02026-03-31 → 2026-06-08 · 3 obs

○ 2016-12-23 12:50:08
● 2026-03-31 16:27:02
● 2026-06-08 16:16:22

○A85.17.48.712015-06-27 → 2015-09-21 · 4 obs

● 2015-06-27 14:06:54
● 2015-09-21 07:01:12
○ 2015-12-18 19:30:24
○ 2026-06-08 16:16:22

●A86.105.244.12026-03-31 → 2026-06-08 · 3 obs

○ 2016-12-23 12:50:08
● 2026-03-31 16:27:02
● 2026-06-08 16:16:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	k.cctld.us, n.cctld.us, b.cctld.us, x.cctld.us...	-
coolzero.us	ns1.transip.nl, ns2.transip.eu, ns0.transip.net	-

✅ Authoritative Response

Server:195.8.195.195

NS records: ns1.transip.nl, ns2.transip.eu, ns0.transip.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 754ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`86.105.244.1`
AAAA	1	`2a01:7c8:e100:1::50a0`
NS	3	`ns0.transip.net, ns1.transip.nl...`
MX	1	`mx.transip.email (pri: 10)`
SOA	1	`ns0.transip.net hostmaster.transip.nl`

Analysis

Hierarchy

The domain mail.coolzero.us falls under the parent coolzero.us.

IP Addresses

coolzero.us points to two IP numbers: 86.105.244.1 and 2a01:7c8:e100:1::50a0.

mail.rosmolen.eu, scaldiaterminals.com, langzon.nl plus two other host names have IP numbers in common with coolzero.us.

Name Servers

coolzero.us has three name servers — ns2.transip.eu, ns0.transip.net and ns1.transip.nl.

At least some of coolzero.us's name servers are shared with other domains, for example bvlely.nl, gffg.be, rovehg.nl and two more.

Each of ns2.transip.eu, ns0.transip.net and ns1.transip.nl points to two IP numbers. ns2.transip.eu points to 37.97.199.195 and 2a01:7c8:f:c1f::195. ns0.transip.net points to 195.135.195.195 and 2a01:7c8:dddd:195::195. ns1.transip.nl points to 195.8.195.195 and 2a01:7c8:7000:195::195.

Mail Servers

coolzero.us uses one mail server — mx.transip.email.

The mail server setup of coolzero.us matches that of other domains such as amsterdamcitytours.com, eurocuisine.eu, bikepark-mook.nl and two others.

The mail servers of coolzero.us overlap at least partially with those of other domains, including noestadvocatuur.nl, richardterpstra.nl and chargewell.at.

mx.transip.email directs to two IP numbers, 86.105.244.9 and 2a01:7c8:e100:1::4aaf.