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Hosting & Network

leidenuniv.nl runs on AS1103, with email via Microsoft 365.

Hosting network
AS1103AS1103
Managed DNS
Self-hosted / other
Email
Microsoft 365
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 3,149 other sites on AS1103. Stable here since we started watching (Aug 10, 2026).

The apex and www are the same hosting — the apex via A records, www via a CNAME to leidenuniv.nl.

DNS Records for leidenuniv.nl

HostnameTypeTTLPriorityContent
leidenuniv.nlSOA7200arachne.leidenuniv.nl postmaster.leidenuniv.nl 2006838446 10800 1080 2592000 7200
leidenuniv.nlMX0leidenuniv-nl.i-v1.mx.microsoft
leidenuniv.nlA0132.229.92.45
leidenuniv.nlNS0ns2.surfnet.nl
leidenuniv.nlNS0ns3.surfnet.nl
leidenuniv.nlNS0ns1.surfnet.nl
leidenuniv.nlTXT0d365mktkey=3z9lonpthcf1flukxh42x2sxz
leidenuniv.nlTXT0atlassian-domain-verification=flFJhiK3/jjJkNXwKznhyRJ6conPD48u57e5kKAXkkOa38lzTLjV8jwiKJyHBkn4
leidenuniv.nlTXT0HARICA-ehgKDPgNzU37hLkFEPx
leidenuniv.nlTXT0v=spf1 include:_spf.smtp.leidenuniv.nl ip4:87.195.18.70 include:spf.faqtory.nl include:_spf.saasplaza.com mx:nroute.de include:a._spf.brightspace.com ip4:34.245.210.0/24 include:spf.eprov.nl ip4:62.112.224.215 include:_spf.xqueue.com ~all
leidenuniv.nlTXT0MS=ms83046425
leidenuniv.nlTXT0v=easydus; cg=11698f98-660d-4493-8a08-dc3fd7140b37
leidenuniv.nlTXT0atlassian-domain-verification=SEecVMD3wHtwB7axKLBXdfoLHrVbpxrCISGbVwyvJbEoGUhC39wRZFkCo7tK5LRb
leidenuniv.nlTXT0LuxpAY9f1zHG+roggcfr/cQOl6j84tYnWmJzw31qbRvLZPcFFzI3jfxGDfvQoO3z1hF3lEqnh9b9qLbKpXZv5Q==
leidenuniv.nlTXT0MS=ms65516456
www.leidenuniv.nlSOA7200arachne.leidenuniv.nl postmaster.leidenuniv.nl 2006838446 10800 1080 2592000 7200
www.leidenuniv.nlNS0ns2.surfnet.nl
www.leidenuniv.nlNS0ns3.surfnet.nl
www.leidenuniv.nlNS0ns1.surfnet.nl
www.leidenuniv.nlMX0leidenuniv-nl.i-v1.mx.microsoft
www.leidenuniv.nlCNAME0leidenuniv.nl
www.leidenuniv.nlA0132.229.92.45
www.leidenuniv.nlTXT0v=spf1 include:_spf.smtp.leidenuniv.nl ip4:87.195.18.70 include:spf.faqtory.nl include:_spf.saasplaza.com mx:nroute.de include:a._spf.brightspace.com ip4:34.245.210.0/24 include:spf.eprov.nl ip4:62.112.224.215 include:_spf.xqueue.com ~all
www.leidenuniv.nlTXT0v=easydus; cg=11698f98-660d-4493-8a08-dc3fd7140b37
www.leidenuniv.nlTXT0MS=ms83046425
www.leidenuniv.nlTXT0HARICA-ehgKDPgNzU37hLkFEPx
www.leidenuniv.nlTXT0atlassian-domain-verification=SEecVMD3wHtwB7axKLBXdfoLHrVbpxrCISGbVwyvJbEoGUhC39wRZFkCo7tK5LRb
www.leidenuniv.nlTXT0MS=ms65516456
www.leidenuniv.nlTXT0LuxpAY9f1zHG+roggcfr/cQOl6j84tYnWmJzw31qbRvLZPcFFzI3jfxGDfvQoO3z1hF3lEqnh9b9qLbKpXZv5Q==
www.leidenuniv.nlTXT0d365mktkey=3z9lonpthcf1flukxh42x2sxz
www.leidenuniv.nlTXT0atlassian-domain-verification=flFJhiK3/jjJkNXwKznhyRJ6conPD48u57e5kKAXkkOa38lzTLjV8jwiKJyHBkn4

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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