Looks like the entire domain of free.fr doesn’t resolve. Here it is with www . free . fr, but webmail . free . fr doesn’t work either, etc…
$ dig www.free.fr @1.1.1.1
; <<>> DiG 9.10.6 <<>> www.free.fr @1.1.1.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 26538
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; OPT=15: 00 16 ("..")
;; QUESTION SECTION:
;www.free.fr. IN A
;; Query time: 1972 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: Tue Nov 10 16:51:36 EST 2020
;; MSG SIZE rcvd: 46
$ dig www.free.fr @1.0.0.1
; <<>> DiG 9.10.6 <<>> www.free.fr @1.0.0.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 63886
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; OPT=15: 00 16 ("..")
;; QUESTION SECTION:
;www.free.fr. IN A
;; Query time: 1968 msec
;; SERVER: 1.0.0.1#53(1.0.0.1)
;; WHEN: Tue Nov 10 16:51:44 EST 2020
;; MSG SIZE rcvd: 46
$ dig www.free.fr @8.8.8.8
; <<>> DiG 9.10.6 <<>> www.free.fr @8.8.8.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23518
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;www.free.fr. IN A
;; ANSWER SECTION:
www.free.fr. 21599 IN A 212.27.48.10
;; Query time: 108 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Tue Nov 10 16:51:50 EST 2020
;; MSG SIZE rcvd: 56