DNS Record Lookup

Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain

Hosting & Network

a1com.cz runs on AS43541, with email configured.

Hosting network
AS43541AS43541
Managed DNS
Self-hosted / other
Email
Configured
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 4,999+ other sites on AS43541. Stable here since we started watching (Jul 21, 2026).

DNS Records for a1com.cz

HostnameTypeTTLPriorityContent
a1com.czNS0ns.forpsi.it
a1com.czNS0ns.forpsi.cz
a1com.czNS0ns.forpsi.net
a1com.czMX010mxavas.forpsi.com
a1com.czTXT0v=spf1 include:bsadmin.cz mx ~all
a1com.czSOA3600ns.forpsi.net admin.forpsi.com 2026090101 14400 3600 2592000 3600
a1com.czA046.243.48.60
www.a1com.czCNAME0hosting.bsshop.cz
www.a1com.czA046.243.48.60
www.a1com.czAAAA02a00:1ed0:37:c1::64

Get alerted the moment a1com.cz's DNS changes

This page is today's snapshot. Turn on monitoring and we'll watch a1com.cz 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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Answers use the live DNS records shown on this page. AI-generated — double-check anything important.

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