DNS Record Lookup

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

Hosting & Network

cossw.pl runs on AS5617, with email configured.

Hosting network
AS5617AS5617
Managed DNS
Self-hosted / other
Email
Configured
IPv6 (AAAA)
Not enabled
CAA pinning
Set

Sits alongside 1,178 other sites on AS5617. Stable here since we started watching (Aug 2, 2026).

The apex and www are the same hosting — the apex via A records.

DNS Records for cossw.pl

HostnameTypeTTLPriorityContent
cossw.plA080.54.30.250
cossw.plMX010cossw.pl
cossw.plNS0ns3.nazwa.pl
cossw.plNS0ns2.nazwa.pl
cossw.plNS0ns1.nazwa.pl
cossw.plTXT07bead71723584be3d41113cd0a216a1d62c7c5b83062d909f522ac5b4dede191
cossw.plTXT021403eee47263499ed39bdba8859b1e3dc12429443ee0730a7bb9010bf3354b2
cossw.plTXT0v=spf1 mx a ~all
cossw.plCAA00 issue letsencrypt.org
cossw.plCAA00 issue certum.pl
cossw.plCAA00 issuewild certum.pl
cossw.plCAA00 issuewild letsencrypt.org
cossw.plSOA86400ns1.nazwa.pl biuro.nazwa.pl 2008133204 28800 7200 604800 86400
www.cossw.plA080.54.30.250

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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

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