www.linuxbuilders.net - robtex.com
www.linuxbuilders.net
linuxbuilders.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:147🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:80c2🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.1.71Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.128.194🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | carl.ns.cloudflare.com ⭐ | ||||||
| NS | laylah.ns.cloudflare.com | ||||||
| MX | linuxbuilders-net.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.1.71, 172.67.128.194 | ||||||
| IPv6 hints | 2606:4700:3031::6815:147, 2606:4700:3034::ac43:80c2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=149, name=cloudflare-ech.com | ||||||
| SOA | carl.ns.cloudflare.comdns@cloudflare.com serial=2409611510 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●MXlinuxbuilders-net.mail.protection.outlook.com2026-06-19 → 2026-08-04 · 2 obs
● 2026-08-04 09:02:02
●A104.21.1.712026-06-19 → 2026-08-04 · 3 obs
● 2026-06-19 02:00:48
● 2026-08-04 09:02:02
●A172.67.128.1942026-06-19 → 2026-08-04 · 3 obs
● 2026-06-19 02:00:48
● 2026-08-04 09:02:02
●A2606:4700:3031::6815:1472026-06-25 → 2026-08-04 · 3 obs
● 2026-06-25 07:27:36
● 2026-08-04 09:02:02
●A2606:4700:3034::ac43:80c22026-06-25 → 2026-08-04 · 3 obs
● 2026-06-25 07:27:36
● 2026-08-04 09:02:02
○A2606:4700:3035::6815:1472026-06-19 → 2026-06-19 · 4 obs
● 2026-06-19 02:00:48
○ 2026-06-25 07:27:36
○ 2026-08-04 09:02:02
○A2606:4700:3037::ac43:80c22026-06-19 → 2026-06-19 · 4 obs
● 2026-06-19 02:00:48
○ 2026-06-25 07:27:36
○ 2026-08-04 09:02:02
○A34.198.182.2012018-06-08 → 2018-06-08 · 4 obs
● 2018-06-08 17:32:36
○ 2026-06-19 02:00:48
○ 2026-08-04 09:02:02
○A50.19.220.1542015-07-05 → 2017-01-15 · 4 obs
● 2017-01-15 21:23:58
○ 2018-06-08 17:32:36
○ 2026-08-04 09:02:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | g.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net... | - |
| linuxbuilders.net | carl.ns.cloudflare.com, laylah.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.230
NS records: carl.ns.cloudflare.com, laylah.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxbuilders.net (unsigned zone)
⏱️ Timing
Total: 378ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.1.71, 172.67.128.194 |
| AAAA | 2 | 2606:4700:3034::ac43:80c2, 2606:4700:3031::6815:147 |
| MX | 1 | linuxbuilders-net.mail.protection.outloo |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
www.linuxbuilders.net points to the four IP addresses 104.21.1.71, 172.67.128.194, 2606:4700:3031::6815:147 and 2606:4700:3034::ac43:80c2.
Two other host names, along with www.92k7.com, enter-stable.net and 7crystalcasino11.com, also share IP numbers with www.linuxbuilders.net.
Mail Servers
The sole mail server for www.linuxbuilders.net is linuxbuilders-net.mail.protection.outlook.com.
Mail server setup for www.linuxbuilders.net matches that of other domains, among them linuxbuilders.net.
With 8 IP addresses total, linuxbuilders-net.mail.protection.outlook.com resolves to 52.101.149.0, 52.101.149.1, 52.101.149.9 and 5 others.