DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
a3tech.us isn’t pointed at a host yet — it has nameservers configured but no A/AAAA records for us to trace to a hosting network.
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DNS Records for a3tech.us
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| a3tech.us | NS | 0 | ns22.domaincontrol.com | |
| a3tech.us | NS | 0 | ns21.domaincontrol.com | |
| a3tech.us | SOA | 600 | ns21.domaincontrol.com dns.jomax.net 2025120310 28800 7200 604800 600 | |
| a3tech.us | MX | 0 | a3tech.mail.protection.office365.us | |
| a3tech.us | TXT | 0 | v=spf1 include:spf.protection.office365.us -all | |
| a3tech.us | TXT | 0 | MS=ms93536768 | |
| www.a3tech.us | TXT | 0 | v=spf1 include:spf.protection.office365.us -all | |
| www.a3tech.us | TXT | 0 | MS=ms93536768 | |
| www.a3tech.us | SOA | 600 | ns21.domaincontrol.com dns.jomax.net 2025120310 28800 7200 604800 600 | |
| www.a3tech.us | MX | 0 | a3tech.mail.protection.office365.us | |
| www.a3tech.us | CNAME | 0 | a3tech.us | |
| www.a3tech.us | NS | 0 | ns22.domaincontrol.com | |
| www.a3tech.us | NS | 0 | ns21.domaincontrol.com |
Get alerted the moment a3tech.us's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch a3tech.us 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