DNS Record Lookup
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Hosting & Network
rcs5g.com runs on AS21548, with email configured.
- Hosting network
- AS21548AS21548
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 247 other sites on AS21548. Stable here since we started watching (Jul 21, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to rcs5g.com.
DNS Records for rcs5g.com
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| rcs5g.com | NS | 0 | ns3.summitmedianetwork.com | |
| rcs5g.com | NS | 0 | ns.summitmedianetwork.com | |
| rcs5g.com | NS | 0 | ns2.summitmedianetwork.com | |
| rcs5g.com | SOA | 120 | ns.summitmedianetwork.com host.summit-tech.ca 2021070501 86400 7200 3628800 120 | |
| rcs5g.com | A | 0 | 64.254.226.248 | |
| rcs5g.com | MX | 0 | 20 | mail2.summit-tech.ca |
| rcs5g.com | MX | 0 | 10 | mail.mailfilter.ca |
| www.rcs5g.com | CNAME | 0 | rcs5g.com | |
| www.rcs5g.com | MX | 0 | 20 | mail2.summit-tech.ca |
| www.rcs5g.com | MX | 0 | 10 | mail.mailfilter.ca |
| www.rcs5g.com | SOA | 120 | ns.summitmedianetwork.com host.summit-tech.ca 2021070501 86400 7200 3628800 120 | |
| www.rcs5g.com | NS | 0 | ns3.summitmedianetwork.com | |
| www.rcs5g.com | NS | 0 | ns.summitmedianetwork.com | |
| www.rcs5g.com | NS | 0 | ns2.summitmedianetwork.com | |
| www.rcs5g.com | A | 0 | 64.254.226.248 |
Get alerted the moment rcs5g.com's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch rcs5g.com continuously, notifying you the moment anything moves across all three signals:
Uptime
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DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
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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