mx.rckstr.co - robtex.com
mx.rckstr.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:20:2df:d00d:d00d:d00d:d00d🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | hxc.rckstr.co | ||||||
| A | 45.90.5.99🇩🇪 netcup-AS45.90.4.0/22 | ||||||
rckstr.co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a03:4000:20:2df:d00d:d00d:d00d:d00d🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| A | 45.90.5.99🇩🇪 netcup-AS45.90.4.0/22 | ||||||
| NS | salvador.ns.cloudflare.com ⭐ | ||||||
| NS | sydney.ns.cloudflare.com | ||||||
| MX | mx.rckstr.co ⭐ | ||||||
| TXT | v=spf1 mx a include:spf.rckstr.co include:amazonses.com -all | ||||||
| SOA | salvador.ns.cloudflare.comdns@cloudflare.com serial=2402462576 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●A2a03:4000:20:2df:d00d:d00d:d00d:d00d2026-02-15 → 2026-04-26 · 2 obs
● 2026-02-15 19:24:12
● 2026-04-26 01:15:18
● 2026-04-26 01:15:18
●A45.90.5.992026-02-15 → 2026-04-26 · 2 obs
● 2026-02-15 19:24:12
● 2026-04-26 01:15:18
● 2026-04-26 01:15:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| rckstr.co | sydney.ns.cloudflare.com, salvador.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.100
NS records: sydney.ns.cloudflare.com, salvador.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 288ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.90.5.99 |
| AAAA | 1 | 2a03:4000:20:2df:d00d:d00d:d00d:d00d |
Analysis
Mail Server Role
mx.rckstr.co functions as a mail server for rckstr.co.
IP Addresses
mx.rckstr.co points to two IP numbers: 2a03:4000:20:2df:d00d:d00d:d00d:d00d and 45.90.5.99.
Other host names for instance hxc.rckstr.co, mail.rckstr.co, s-works.de and rckstr.co share IP numbers with mx.rckstr.co.