Add domains MX-hosted by webmail.headsite.se (expired certificate)

[vdukhovni]

anderssons.tk. MX 10 webmail.headsite.se.
restaurangvitahasten.se. IN MX 10 webmail.headsite.se.
vtu.se. IN MX 10 webmail.headsite.se.
madeleinekarlssondans.se. IN MX 10 webmail.headsite.se. 
elbelysningnacka.se. IN MX 10 webmail.headsite.se.

The above domains use webmail.headsite.se as their MX host, but it has "2 1 1" TLSA records and an expired certificate:

  webmail.headsite.se[83.241.149.220]: cert-expired
    TLS = TLS12 with ECDHE-RSA-AES256GCM-SHA384
    name = autodiscover.anderssons.tk
    name = autodiscover.elbelysningnacka.se
    name = autodiscover.madeleinekarlssondans.se
    name = autodiscover.restaurangvitahasten.se
    name = autodiscover.vtu.se
    name = webmail.headsite.se
    depth = 0
      Issuer CommonName = Let's Encrypt Authority X3
      Issuer Organization = Let's Encrypt
      notBefore = 2017-12-23T22:00:39Z
      notAfter = 2018-03-23T22:00:39Z
      Subject CommonName = autodiscover.anderssons.tk

Note, FWIW headsite.se is fine, its MX host mail.headsite.se has an unexpired certificate.

[desh-se]

Thanks! I've contacted info@headsite.se.

[desh-se]

Contacted support@headsite.se as well, responded immediately saying they should fix it.