Registro DMARC
v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:da5c7b65ff@rua.easydmarc.eu;ruf=mailto:da5c7b65ff@ruf.easydmarc.eu;aspf=r;adkim=r;fo=0

Registro IPv4
host: cocalc.com
class: IN
ttl: 300
type: A
ip: 104.26.7.215

Registro IPv4
host: cocalc.com
class: IN
ttl: 300
type: A
ip: 172.67.68.195

Registro IPv4
host: cocalc.com
class: IN
ttl: 300
type: A
ip: 104.26.6.215

Servidores DNS Principal (mname) y Secundario (rname)
host: cocalc.com
class: IN
ttl: 1800
type: SOA
mname: candy.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2357666913
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: cocalc.com
class: IN
ttl: 300
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: cocalc.com
class: IN
ttl: 300
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: cocalc.com
class: IN
ttl: 300
type: MX
pri: 10
target: aspmx3.googlemail.com

Servidor de Correo
host: cocalc.com
class: IN
ttl: 300
type: MX
pri: 10
target: aspmx2.googlemail.com

Servidor de Correo
host: cocalc.com
class: IN
ttl: 300
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Información TXT
host: cocalc.com
class: IN
ttl: 300
type: TXT
txt: Probely=a1b31ff4-b415-453a-b4b9-c47508401bb4
entries: Array

Información TXT
host: cocalc.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=Vj0ojJyVjqMMH6uRha9i9IsKJega2kOvhdvm_Tz9an4
entries: Array

Información TXT
host: cocalc.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=HbMcCvKagjTjySFvp1Du5Y0yPiwND-Rd_r4VRuRhaHw
entries: Array

Información TXT
host: cocalc.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:sagemath.com -all
entries: Array

Registro IPv6
host: cocalc.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:20::ac43:44c3

Registro IPv6
host: cocalc.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:20::681a:7d7

Registro IPv6
host: cocalc.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:20::681a:6d7