coolzero.nl - robtex.com
coolzero.nl
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-03-29 00:30:01 +0000 (EPOCH 1774744201) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-03-29 #1 | ||||||
Subdomains
mail.coolzero.nl |
Same first word
Similar names
DNS History
18 records (6 active, 12 former)
○NSdns.fallbackdiensten.nl2015-07-13 → 2016-06-25 · 4 obs
● 2016-06-25 08:19:56
○ 2017-02-15 17:30:54
○ 2026-03-29 01:13:52
●NSns0.transip.net2020-01-01 → 2026-03-29 · 3 obs
● 2020-01-01 17:07:44
● 2026-03-29 01:13:52
○NSns0.transip.nl2017-02-15 → 2017-02-15 · 4 obs
● 2017-02-15 17:30:54
○ 2020-01-01 17:07:44
○ 2026-03-29 01:13:52
○NSns1.jenthosting.com2015-07-13 → 2016-06-25 · 4 obs
● 2016-06-25 08:19:56
○ 2017-02-15 17:30:54
○ 2026-03-29 01:13:52
○NSns1.transip.net2017-02-15 → 2017-02-15 · 4 obs
● 2017-02-15 17:30:54
○ 2020-01-01 17:07:44
○ 2026-03-29 01:13:52
●NSns1.transip.nl2020-01-01 → 2026-03-29 · 3 obs
● 2020-01-01 17:07:44
● 2026-03-29 01:13:52
○NSns2.jenthosting.com2015-07-13 → 2016-06-25 · 4 obs
● 2016-06-25 08:19:56
○ 2017-02-15 17:30:54
○ 2026-03-29 01:13:52
●NSns2.transip.eu2017-02-15 → 2026-03-29 · 3 obs
● 2017-02-15 17:30:54
● 2026-03-29 01:13:52
○MXmail.coolzero.nl2015-07-13 → 2016-06-25 · 4 obs
● 2016-06-25 08:19:56
○ 2017-02-15 17:30:54
○ 2026-03-29 01:13:52
●MXmx.transip.email2026-03-24 → 2026-03-29 · 3 obs
● 2026-03-24 08:55:30
● 2026-03-29 01:13:52
○MXs3.coolzero.info2017-02-15 → 2020-01-01 · 5 obs
● 2017-02-15 17:30:54
● 2020-01-01 17:07:44
○ 2026-03-24 08:55:30
○ 2026-03-29 01:13:52
○A116.203.16.1652020-01-01 → 2020-01-01 · 4 obs
● 2020-01-01 17:07:44
○ 2026-03-24 08:55:30
○ 2026-03-29 01:13:52
○A149.210.233.622016-01-17 → 2017-02-15 · 5 obs
● 2016-01-17 11:01:08
● 2017-02-15 17:30:54
○ 2020-01-01 17:07:44
○ 2026-03-29 01:13:52
○A2a01:4f8:1c1c:9903::12020-01-01 → 2020-01-01 · 4 obs
● 2020-01-01 17:07:44
○ 2026-03-24 08:55:30
○ 2026-03-29 01:13:52
○A2a01:7c8:aab9:5f6:ea7:1337:dead:c0de2017-02-15 → 2017-02-15 · 4 obs
● 2017-02-15 17:30:54
○ 2020-01-01 17:07:44
○ 2026-03-29 01:13:52
●A2a01:7c8:e100:1::50a02026-03-24 → 2026-03-29 · 3 obs
● 2026-03-24 08:55:30
● 2026-03-29 01:13:52
○A85.17.48.712015-07-13 → 2015-10-28 · 4 obs
● 2015-10-28 02:32:02
○ 2016-01-17 11:01:08
○ 2026-03-29 01:13:52
●A86.105.244.12026-03-24 → 2026-03-29 · 3 obs
● 2026-03-24 08:55:30
● 2026-03-29 01:13:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns4.dns.nl, ns3.dns.nl, ns1.dns.nl | - |
| coolzero.nl | ns0.transip.net, ns1.transip.nl, ns2.transip.eu | 2 records |
✅ Authoritative Response
Server:37.97.199.195
NS records: ns0.transip.net, ns1.transip.nl, ns2.transip.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 672ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 86.105.244.1 |
| AAAA | 1 | 2a01:7c8:e100:1::50a0 |
| NS | 3 | ns1.transip.nl, ns2.transip.eu... |
| MX | 1 | mx.transip.email (pri: 10) |
| SOA | 1 | ns0.transip.net hostmaster.transip.nl |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.transip.nl, ns1.transip.nl)
Analysis
Hierarchy
coolzero.nl is the parent of mail.coolzero.nl.
IP Addresses
The entity coolzero.nl points to two IP numbers: 2a01:7c8:e100:1::50a0 and 86.105.244.1.
For instance, other host names quickfix.nl, *.flinndal.com, utrechtsevvd.nl, vadertjetijd.com and viewy.nl share IP numbers with coolzero.nl.
Name Servers
The delegation for coolzero.nl is handled by three name servers: ns2.transip.eu, ns0.transip.net and ns1.transip.nl.
coolzero.nl shares name servers with other domains at least partially, for example vb-airsuspension.com, antivirusonline.nl, scoreleaf.com, foodlikethat.com and vicofootwear.com.
Host names with two IPs:
ns2.transip.eu points to 2a01:7c8:f:c1f::195 and 37.97.199.195
ns0.transip.net points to 2a01:7c8:dddd:195::195 and 195.135.195.195
ns1.transip.nl points to 2a01:7c8:7000:195::195 and 195.8.195.195
Mail Servers
coolzero.nl is handled by a single mail server, mx.transip.email.
coolzero.nl shares the same mail server setup as other domains, for instance surfworld.nl, imes.nl, contrabasis.nl, kopenmetvoordeel.nl and vbds.nl.
coolzero.nl shares some mail servers with other domains, at least partially; examples include c3t.nl, crowdrock.app and antonvrede.nl.
these mail servers are often used together with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
mx.transip.email resolves to two IPs: 2a01:7c8:e100:1::4aaf and 86.105.244.9.