one.com current DNS records

A records

One.com A/S
195.47.247.9   13
195.47.247.8   25

AAAA records

SOA records

ttl: 1,800
email: hostmaster.one.com1,247,667

TXT

v=spf1 include:_spf.one.com include:spf.mail.intercom.io include:mail.zendesk.com include:spf.mandrillapp.com include:servers.mcsv.net ~all
status-page-domain-verification=jxn9sv5yjjk0
google-site-verification=SJnzgdADXmE_K3rQEbVVmYXgxa_0Auh5oDN4KBGp_n8

CNAME records pointed here1