Ticket: 93574906
.
Following problem applies to ALL accounts under WHM, even if server's main IP is resolved as reversed.
Although no problem with AutoSSL.
My Provider has already set IP to resolve to the hostname I use, in case it helps.
Nevertheless, by host command, seems that Main IP does look like it has rDNS with no problem.
Every cPanel account

WHM > Email » Email Deliverability

Further information
.
Following problem applies to ALL accounts under WHM, even if server's main IP is resolved as reversed.
Although no problem with AutoSSL.
My Provider has already set IP to resolve to the hostname I use, in case it helps.
Nevertheless, by host command, seems that Main IP does look like it has rDNS with no problem.
Code:
host 185.4.xxx.xxx
xxxx.xxx.4.185.in-addr.arpa domain name pointer my.hostname.com.
Every cPanel account

WHM > Email » Email Deliverability

Further information
Code:
dig txt default._domainkey.my.hostname.com.
; <<>> DiG 9.11.4-P2-RedHat-9.11.4-16.P2.el7_8.6 <<>> txt default._domainkey.my.hostname.com.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10537
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;default._domainkey.my.hostname.com. IN TXT
;; ANSWER SECTION:
default._domainkey.my.hostname.com. 14399 IN TXT "v=DKIM1; k=rsa; p=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx;"
;; Query time: 89 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Sun Aug 09 23:59:01 EEST 2020
;; MSG SIZE rcvd: 494
Code:
dig -x 185.4.xxx.xxx
; <<>> DiG 9.11.4-P2-RedHat-9.11.4-16.P2.el7_8.6 <<>> -x 185.4.xxx.xxx
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3616
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;xxx.xxx.4.185.in-addr.arpa. IN PTR
;; ANSWER SECTION:
xxx.xxx.4.185.in-addr.arpa. 21599 IN PTR my.hostname.com.
;; Query time: 54 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mon Aug 10 00:09:18 EEST 2020
;; MSG SIZE rcvd: 90
[/code[
[CODE]
for i in {a..m}; do echo -n "$i.root-servers.net: "; dig -4 "$i".root-servers.net @"$i".root-servers.net +short;done
a.root-servers.net: 198.41.0.4
b.root-servers.net: 199.9.14.201
c.root-servers.net: 192.33.4.12
d.root-servers.net: 199.7.91.13
e.root-servers.net: 192.203.230.10
f.root-servers.net: 192.5.5.241
g.root-servers.net: 192.112.36.4
h.root-servers.net: 198.97.190.53
i.root-servers.net: 192.36.148.17
j.root-servers.net: 192.58.128.30
k.root-servers.net: 193.0.14.129
l.root-servers.net: 199.7.83.42
m.root-servers.net: 202.12.27.33
Code:
nslookup 185.4.xxx.xxx
Name: my.hostname.com
Address: 185.4.xxx.xxx
Last edited: