mx03.alt255.net - robtex.com
mx03.alt255.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:c207:2039:5309::1🇩🇪 CONTABO2a02:c207::/32 | ||||||
| PTR | mx03.alt255.net | ||||||
| A | 144.91.126.221🇩🇪 CONTABO144.91.126.0/23 | ||||||
| TXT | v=spf1 a mx ip4:144.91.126.221 ip6:2a02:c207:2039:5309::1 ~all | ||||||
alt255.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.229.6.58🇮🇪 Amazon54.229.0.0/17 EC2 DUB prefix | ||||||
| NS | gina.ns.cloudflare.com ⭐ | ||||||
| NS | wesley.ns.cloudflare.com | ||||||
| MX | mail.alt255.net ⭐ | ||||||
| TXT | v=spf1 a mx ip4:173.249.36.105 ip4:52.30.204.51 ip4:52.30.86.123 ip4:54.229.1... | ||||||
| SOA | gina.ns.cloudflare.comdns@cloudflare.com serial=2411865003 | ||||||
PTR for
MX for
alpineoptics.at |
auperleflowers.nl |
hollandseboerderij.nl |
algas.nl |
bootbootboot.com |
paradise-office.com |
key-consult.be |
westland.nl |
alpineopticsusa.com |
juman.nl |
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●A144.91.126.2212026-02-15 → 2026-08-13 · 2 obs
● 2026-02-15 16:05:14
● 2026-08-13 04:01:04
● 2026-08-13 04:01:04
●A2a02:c207:2039:5309::12026-02-15 → 2026-08-13 · 2 obs
● 2026-02-15 16:05:14
● 2026-08-13 04:01:04
● 2026-08-13 04:01:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net... | - |
| alt255.net | gina.ns.cloudflare.com, wesley.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.246
NS records: gina.ns.cloudflare.com, wesley.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alt255.net (unsigned zone)
⏱️ Timing
Total: 199ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.91.126.221 |
| AAAA | 1 | 2a02:c207:2039:5309::1 |
| TXT | 1 | v=spf1 a mx ip4:144.91.126.221 ip6:2a02: |
Analysis
Mail Server Role
The domains alpineoptics.at, auperleflowers.nl, hollandseboerderij.nl, algas.nl, bootbootboot.com and a few others have mx03.alt255.net as their mail server.
IP Addresses
mx03.alt255.net directs to two IP numbers, 144.91.126.221 and 2a02:c207:2039:5309::1
Among others, mail.bootbootboot.com, mail.key-consult.be, mail.westland.nl and mail.hollandseboerderij.nl resolve to the same IP numbers as mx03.alt255.net.