Hi, I get this: [ms(a)hughes ~]$ dig TLSA _443._tcp.ipfire.org ; <<>> DiG 9.11.1-P3-RedHat-9.11.1-2.P3.fc26 <<>> TLSA _443._tcp.ipfire.org ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4259 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;_443._tcp.ipfire.org. IN TLSA ;; ANSWER SECTION: _443._tcp.ipfire.org. 21600 IN CNAME _letsencrypt.certs.ipfire.org. _letsencrypt.certs.ipfire.org. 21600 IN TLSA 2 1 1 60B87575447DCBA2A36B7D11AC09FB24A9DB406FEE12D2CC90180517 616E8A18 ;; Query time: 66 msec ;; SERVER: 192.168.191.1#53(192.168.191.1) ;; WHEN: Fri Nov 10 22:18:02 GMT 2017 ;; MSG SIZE rcvd: 129 What is it you are getting? If you want to avoid the caches, just query ns[123].lightningwirelabs.com. -Michael On Fri, 2017-11-10 at 20:59 +0100, Peter Müller wrote: > Hello Michael, > > during some tests, I noticed that the DANE record for > www.ipfire.org is still missing. In the first place, I > thought this was because of some DNS reply caching, but > it isn't. > > Just for the record, should be an easy change. > > Apart from that all DANE records seem to be present. > > I will deal with the Postfix configuration on IPFire's MX > next week (need to work at the weekend). > > Best regards, > Peter Müller