DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
rsac4.com runs on AS133054, with email configured.
- Hosting network
- AS133054AS133054
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 46 other sites on AS133054. Stable here since we started watching (Jul 21, 2026).
The apex and www are the same hosting — the apex via A records.
DNS Records for rsac4.com
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| rsac4.com | MX | 0 | 10 | postfix.spread2.com |
| rsac4.com | A | 0 | 203.78.139.254 | |
| rsac4.com | NS | 0 | ns.rspread.net | |
| rsac4.com | NS | 0 | ns3.rspread.net | |
| rsac4.com | SOA | 3600 | ns.rspread.net hostmaster.rspread.net 2026041405 900 600 86400 3600 | |
| rsac4.com | TXT | 0 | google-site-verification=u2NUQ9MmOpIc8lp1jCYoeDdw1 | |
| rsac4.com | TXT | 0 | v=spf1 mx include:rspread.net ~all | |
| rsac4.com | TXT | 0 | mailru-verification: d9e07a1f75a86f19 | |
| www.rsac4.com | A | 0 | 203.78.139.254 |
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About DNS Records
DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:
- SOA (Start of Authority) - Contains administrative information about the zone
- NS (Nameserver) - Specifies authoritative nameservers for the domain
- A (Address) - Maps a domain to an IPv4 address
- AAAA - Maps a domain to an IPv6 address
- CNAME (Canonical Name) - Creates an alias pointing to another domain
- MX (Mail Exchange) - Specifies mail servers for the domain