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Hosting & Network
rsa020.nl runs on AS21221, with email configured.
- Hosting network
- AS21221AS21221
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Enabled
- CAA pinning
- None
Sits alongside 1,456 other sites on AS21221. Stable here since we started watching (Jul 31, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to rsa020.nl.
DNS Records for rsa020.nl
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| rsa020.nl | AAAA | 0 | 2a09:d240:1:4::99 | |
| rsa020.nl | TXT | 0 | v=spf1 include:_spf.foxxl.com ~all | |
| rsa020.nl | A | 0 | 2.56.226.99 | |
| rsa020.nl | NS | 0 | ns1.foxxl.com | |
| rsa020.nl | NS | 0 | ns1.foxxl.net | |
| rsa020.nl | NS | 0 | ns1.foxxl.nl | |
| rsa020.nl | SOA | 10800 | ns1.foxxl.nl info.foxxl.nl 2023101201 14400 3600 1209600 10800 | |
| rsa020.nl | MX | 0 | 20 | fallbackmx.spam-filter.cloud |
| rsa020.nl | MX | 0 | 10 | mx.spam-filter.email |
| www.rsa020.nl | AAAA | 0 | 2a09:d240:1:4::99 | |
| www.rsa020.nl | MX | 0 | 20 | fallbackmx.spam-filter.cloud |
| www.rsa020.nl | MX | 0 | 10 | mx.spam-filter.email |
| www.rsa020.nl | NS | 0 | ns1.foxxl.nl | |
| www.rsa020.nl | NS | 0 | ns1.foxxl.com | |
| www.rsa020.nl | NS | 0 | ns1.foxxl.net | |
| www.rsa020.nl | A | 0 | 2.56.226.99 | |
| www.rsa020.nl | SOA | 10800 | ns1.foxxl.nl info.foxxl.nl 2023101201 14400 3600 1209600 10800 | |
| www.rsa020.nl | TXT | 0 | v=spf1 include:_spf.foxxl.com ~all | |
| www.rsa020.nl | CNAME | 0 | rsa020.nl |
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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