bluebuild.org - robtex.com
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bluebuild.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.250.246.178🇮🇪 Amazon | ||||||
| PTR | ec2-3-250-246-178.eu-west-1.compute.amazonaws.com | ||||||
| A | 63.34.182.28🇮🇪 Amazon | ||||||
| A | 99.80.243.91🇮🇪 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 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
Same first word
DNS History
12 records (9 active, 3 former)
●NSns-1291.awsdns-33.org2026-02-16 → 2026-02-18 · 2 obs
● 2026-02-18 12:06:46
●NSns-1833.awsdns-37.co.uk2026-02-16 → 2026-02-18 · 2 obs
● 2026-02-18 12:06:46
●NSns-376.awsdns-47.com2026-02-16 → 2026-02-18 · 2 obs
● 2026-02-18 12:06:46
●NSns-751.awsdns-29.net2026-02-16 → 2026-02-18 · 2 obs
● 2026-02-18 12:06:46
●MXmx1.coolblue.nl2026-02-16 → 2026-02-18 · 2 obs
● 2026-02-18 12:06:46
●MXmx2.coolblue.nl2026-02-16 → 2026-02-18 · 2 obs
● 2026-02-18 12:06:46
○A108.128.134.2242026-02-16 → 2026-02-18 · 2 obs
○ 2026-02-18 12:06:46
○A18.203.42.1842026-02-16 → 2026-02-18 · 2 obs
○ 2026-02-18 12:06:46
●A3.250.246.1782026-02-16 → 2026-02-18 · 2 obs
● 2026-02-18 12:06:46
○A54.229.29.1402026-02-16 → 2026-02-18 · 2 obs
○ 2026-02-18 12:06:46
●A63.34.182.282026-02-16 → 2026-02-18 · 2 obs
● 2026-02-18 12:06:46
●A99.80.243.912026-02-16 → 2026-02-18 · 2 obs
● 2026-02-18 12:06:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| bluebuild.org | ns-376.awsdns-47.com, ns-751.awsdns-29.net, ns-1291.awsdns-33.org, ns-1833.awsdns-37.co.uk | 1 record |
✅ Authoritative Response
Server: 205.251.199.41
NS records: ns-376.awsdns-47.com, ns-751.awsdns-29.net, ns-1291.awsdns-33.org, ns-1833.awsdns-37.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bluebuild.org (unsigned zone)
⏱️ Timing
Total: 356ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 99.80.243.91, 3.250.246.178... |
| 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 |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-1291.awsdns-33.org)
AI analysis
bluebuild.org points to three IPs: 3.250.246.178, 63.34.182.28 and 99.80.243.91.
other host names including voetbalschoenenshop.be, telefoonshops.nl, ereadershop.es, wdcenter.nl and centrestatif.fr share IP numbers with bluebuild.org.
bluebuild.org 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.
bluebuild.org at least partially shares name servers with other domains, for instance dev.xroad.mlit.go.jp, bestekcenter.nl, othsolutions.com.au, unjspf.org and myklass.net.
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 bluebuild.org: mx1.coolblue.nl and mx2.coolblue.nl.
bluebuild.org shares the same mail server setup as other domains, for instance screenprotectorstore.be, tubashop.be, blurayclub.be, coolbluerepariert.de and hotorange.app.
Two IP numbers for a host: mx2.coolblue.nl points to 2a01:7c8:d000:17c:5054:ff:fe4a:48d9 and 136.144.200.199.
One IP number for a host: mx1.coolblue.nl points to 193.27.16.74.