DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
rtc1.com runs on Sucuri, with DNS by Azure DNS and email via Google Workspace.
- Hosting network
- SucuriAS30148
- Managed DNS
- Azure DNS
- Google Workspace
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 4,999+ other sites on Sucuri. Stable here since we started watching (Jul 23, 2026).
The apex and www are the same hosting — the apex via A records.
DNS Records for rtc1.com
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| rtc1.com | MX | 0 | 10 | alt4.aspmx.l.google.com |
| rtc1.com | MX | 0 | 1 | aspmx.l.google.com |
| rtc1.com | MX | 0 | 10 | alt3.aspmx.l.google.com |
| rtc1.com | MX | 0 | 5 | alt1.aspmx.l.google.com |
| rtc1.com | MX | 0 | 5 | alt2.aspmx.l.google.com |
| rtc1.com | SOA | 300 | ns1-33.azure-dns.com azuredns-hostmaster.microsoft.com 2024010101 3600 300 2419200 300 | |
| rtc1.com | A | 0 | 192.124.249.170 | |
| rtc1.com | TXT | 0 | MS=B9501822547A75E462C66E34DC194989677C89BE | |
| rtc1.com | TXT | 0 | v3thji0mvetnjbfq7dq3prkh1b | |
| rtc1.com | TXT | 0 | kdk1ml5cl4ubeuq3okpueaqsem | |
| rtc1.com | TXT | 0 | google-site-verification=N1enOXZgQeH2tAPR6a3IZcTi-yUi2wtrnK4SJCBFvFk | |
| rtc1.com | TXT | 0 | apple-domain-verification=9IKoKnopL7DpVMtX | |
| rtc1.com | TXT | 0 | v=spf1 include:sendgrid.net include:_spf.google.com ip4:104.218.213.65 ip4:199.16.221.3 ip4:199.16.221.7 ~all | |
| rtc1.com | TXT | 0 | google-site-verification=fHmnBLYSrhRs_Sw2CgbajAQKB7yNXd1HKOTROaCj2kI | |
| rtc1.com | TXT | 0 | openai-domain-verification=dv-4eQ2pkrpBTbucqmVeJvgm0oe | |
| rtc1.com | TXT | 0 | yahoo-verification-key=zMhvZMXXizpdPLoipBxZMk1cTooGqYLvB+Qr+wL0SDU= | |
| rtc1.com | NS | 0 | ns4-33.azure-dns.info | |
| rtc1.com | NS | 0 | ns2-33.azure-dns.net | |
| rtc1.com | NS | 0 | ns3-33.azure-dns.org | |
| rtc1.com | NS | 0 | ns1-33.azure-dns.com | |
| www.rtc1.com | A | 0 | 192.124.249.170 |
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This page is today's snapshot. Turn on monitoring and we'll watch rtc1.com continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
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
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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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