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Hosting & Network

5one.co.uk runs on AS27357, with DNS by Akamai and email via Proofpoint.

Hosting network
AS27357AS27357
Managed DNS
Akamai
Email
Proofpoint
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 4,417 other sites on AS27357.

Recently changed networks: AS19574 → AS27357 (as of Sep 9, 2026)

The apex and www are the same hosting — the apex via A records, www via a CNAME to 5one.co.uk.

DNS Records for 5one.co.uk

HostnameTypeTTLPriorityContent
5one.co.ukA0104.239.236.220
5one.co.ukNS0blue.foundationdns.net
5one.co.ukNS0blue.foundationdns.org
5one.co.ukNS0blue.foundationdns.com
5one.co.ukNS0a1-135.akam.net
5one.co.ukNS0a18-64.akam.net
5one.co.ukSOA300dns2.mastercard.com hostmaster.mastercard.com 2015030486 14400 3600 2419200 300
5one.co.ukMX010mxb-00078002.gslb.pphosted.com
5one.co.ukMX010mxa-00078002.gslb.pphosted.com
5one.co.ukTXT0v=spf1 ip4:83.244.201.179 ip4:57.67.171.53 include:deliverygateways.mastercard.com include:external.mastercard.com -all
5one.co.ukTXT0MS=ms90545163
www.5one.co.ukA0104.239.236.220
www.5one.co.ukMX010mxa-00078002.gslb.pphosted.com
www.5one.co.ukMX010mxb-00078002.gslb.pphosted.com
www.5one.co.ukCNAME05one.co.uk
www.5one.co.ukSOA300dns2.mastercard.com hostmaster.mastercard.com 2015030486 14400 3600 2419200 300
www.5one.co.ukNS0blue.foundationdns.org
www.5one.co.ukNS0blue.foundationdns.net
www.5one.co.ukNS0blue.foundationdns.com
www.5one.co.ukNS0a18-64.akam.net
www.5one.co.ukNS0a1-135.akam.net
www.5one.co.ukTXT0v=spf1 ip4:83.244.201.179 ip4:57.67.171.53 include:deliverygateways.mastercard.com include:external.mastercard.com -all
www.5one.co.ukTXT0MS=ms90545163

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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