coolblue.ch - robtex.com
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coolblue.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.203.42.184🇮🇪 Amazon | ||||||
| PTR | ec2-18-203-42-184.eu-west-1.compute.amazonaws.com | ||||||
| A | 54.229.29.140🇮🇪 Amazon | ||||||
| A | 108.128.134.224🇮🇪 Amazon | ||||||
| NS | ns-376.awsdns-47.com ⭐ | ||||||
| A | 2600:9000:5301:7800::1🇺🇸 Amazon | ||||||
| PTR | ns-376.awsdns-47.com | ||||||
| A | 205.251.193.120🇺🇸 Amazon | ||||||
| PTR | ns-376.awsdns-47.com | ||||||
| NS | ns-1291.awsdns-33.org | ||||||
| A | 2600:9000:5305:b00::1🇺🇸 Amazon | ||||||
| PTR | ns-1291.awsdns-33.org | ||||||
| A | 205.251.197.11🇺🇸 Amazon | ||||||
| PTR | ns-1291.awsdns-33.org | ||||||
| NS | ns-1833.awsdns-37.co.uk | ||||||
| A | 2600:9000:5307:2900::1🇺🇸 Amazon | ||||||
| PTR | ns-1833.awsdns-37.co.uk | ||||||
| A | 205.251.199.41🇺🇸 Amazon | ||||||
| PTR | ns-1833.awsdns-37.co.uk | ||||||
| NS | ns-751.awsdns-29.net | ||||||
| A | 2600:9000:5302:ef00::1🇺🇸 Amazon | ||||||
| PTR | ns-751.awsdns-29.net | ||||||
| A | 205.251.194.239🇺🇸 Amazon | ||||||
| PTR | ns-751.awsdns-29.net | ||||||
| MX | mx1.coolblue.nl ⭐ | ||||||
| A | 193.27.16.74 | ||||||
| PTR | mx1.coolblue.nl | ||||||
| MX | mx2.coolblue.nl(20) | ||||||
| A | 2a01:7c8:d000:17c:5054:ff:fe4a:48d9🇳🇱 TRANSIP-AS | ||||||
| A | 136.144.200.199🇳🇱 TRANSIP-AS | ||||||
| PTR | 136-144-200-199.colo.transip.net | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns-376.awsdns-47.comawsdns-hostmaster@amazon.com serial=1 | ||||||
ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.ch ⭐ 🔒 | ||||||
| NS | b.nic.ch 🔒 | ||||||
| NS | d.nic.ch 🔒 | ||||||
| NS | e.nic.ch 🔒 | ||||||
| NS | f.nic.ch 🔒 | ||||||
| SOA | a.nic.chdns-operation@switch.ch 2026-02-12 #18 | ||||||
Same first word
Similar names
coollube.com |
bluecool.net |
bluecool.nl |
locoblue.com |
coolbleu.com |
bellouco.com |
coolbleu.be |
coolbleu.nl |
bluecool.com |
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, e.nic.ch, d.nic.ch, b.nic.ch... | - |
| coolblue.ch | ns-751.awsdns-29.net, ns-376.awsdns-47.com, ns-1833.awsdns-37.co.uk, ns-1291.awsdns-33.org | - |
✅ Authoritative Response
Server: 205.251.197.11
NS records: ns-751.awsdns-29.net, ns-376.awsdns-47.com, ns-1833.awsdns-37.co.uk, ns-1291.awsdns-33.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coolblue.ch (unsigned zone)
⏱️ Timing
Total: 880ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 108.128.134.224, 18.203.42.184... |
| NS | 4 | ns-1291.awsdns-33.org, ns-1833.awsdns-37.co.uk... |
| MX | 2 | mx1.coolblue.nl (pri: 10), mx2.coolblue.nl (pri: 20) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns-376.awsdns-47.com awsdns-hostmaster.a |
AI analysis
coolblue.ch points to IPs: 18.203.42.184, 54.229.29.140 and 108.128.134.224.
Other host names, for instance broodmachinestore.nl, heaterexpert.be, bluebuild.info, dectphonecenter.com and cbstore.be share IP numbers with coolblue.ch.
coolblue.ch is delegated to four name servers: ns-376.awsdns-47.com, ns-751.awsdns-29.net, ns-1291.awsdns-33.org and ns-1833.awsdns-37.co.uk.
coolblue.ch at least partially shares name servers with other domains such as dafgards.cloud, jucoin.vc, purplle.d1.rbzdns.com, alistcloud.com and pcsupply.be.
these name servers are commonly used with the name servers ns-1625.awsdns-11.co.uk.
Host names with two IP numbers:
ns-376.awsdns-47.com points to 2600:9000:5301:7800::1 and 205.251.193.120
ns-751.awsdns-29.net points to 2600:9000:5302:ef00::1 and 205.251.194.239
ns-1291.awsdns-33.org points to 2600:9000:5305:b00::1 and 205.251.197.11
ns-1833.awsdns-37.co.uk points to 2600:9000:5307:2900::1 and 205.251.199.41
Two mail servers handle coolblue.ch: mx1.coolblue.nl and mx2.coolblue.nl.
coolblue.ch shares the same mail server setup as other domains, including coolblue.wiki, horlogesexpert.be, epaperstore.nl, statiefshop.be and braadslede.be.
Host names by IP count:
Two IP numbers: The host name mx2.coolblue.nl points to 2a01:7c8:d000:17c:5054:ff:fe4a:48d9 and 136.144.200.199.
One IP number: The host name mx1.coolblue.nl points to 193.27.16.74.