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Hosting & Network

jlw-eng.com runs on AS40021, with email configured.

Hosting network
AS40021AS40021
Managed DNS
Self-hosted / other
Email
Configured
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 4,999+ other sites on AS40021. Stable here since we started watching (Aug 29, 2026).

The apex and www are the same hosting — the apex via A records, www via a CNAME to jlw-eng.com.

DNS Records for jlw-eng.com

HostnameTypeTTLPriorityContent
jlw-eng.comA085.239.242.100
jlw-eng.comNS0ns1.maxforyou.com
jlw-eng.comNS0ns6.maxforyou.com
jlw-eng.comNS0ns3.maxforyou.com
jlw-eng.comNS0ns.maxforyou.com
jlw-eng.comTXT0v=spf1 +a +mx +ip4:85.239.242.100 +include:spf.mailjet.com ~all
jlw-eng.comSOA86400ns1.maxforyou.com root.23-92-221-30.cprapid.com 1786752165 10800 3600 604800 86400
jlw-eng.comMX0jlw-eng.com
www.jlw-eng.comA085.239.242.100
www.jlw-eng.comCNAME0jlw-eng.com
www.jlw-eng.comSOA86400ns1.maxforyou.com root.23-92-221-30.cprapid.com 1786752165 10800 3600 604800 86400
www.jlw-eng.comTXT0v=spf1 +a +mx +ip4:85.239.242.100 +include:spf.mailjet.com ~all
www.jlw-eng.comMX0jlw-eng.com
www.jlw-eng.comNS0ns6.maxforyou.com
www.jlw-eng.comNS0ns.maxforyou.com
www.jlw-eng.comNS0ns3.maxforyou.com
www.jlw-eng.comNS0ns1.maxforyou.com

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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