16
records
IPv4 Addresses
TTL
fastmail.com. 2600 IN A 103.168.172.65
Name Servers
TTL
1h
1h
fastmail.com. 3600 IN NS fmns1.messagingengine.com. fastmail.com. 3600 IN NS fmns2.messagingengine.com.
Mail Servers
TTL
MX
Fastmail
10
35m
MX
Fastmail
20
35m
fastmail.com. 2153 IN MX 10 in1-smtp.messagingengine.com. fastmail.com. 2153 IN MX 20 in2-smtp.messagingengine.com.
SOA Details
TTL
SOA
Primary NS
Responsible
postmaster.messagingengine.com
0m
Serial
2025103000
0m
Times
Refresh
23h
Retry
10m
Expire
14d
Minimum TTL
1h
fastmail.com. 3600 IN SOA fmns1.messagingengine.com. postmaster.messagingengine.com. 2025103000 86118 600 1209600 3600
DMARC
TTL
DMARC
Policy
none
27m
Subdomain Policy
none
0m
Percentage
100
0m
RUA
RUF
fastmail.com. 1676 IN DMARC v=DMARC1; p=none; sp=none; rua=mailto:[email protected]
Certificate Authority Authorization
TTL
CAA
Sectigo
1h
CAA
DigiCert
1h
CAA
Let's Encrypt
1h
CAA
Google Trust
1h
CAA
Sectigo
1h
CAA
DigiCert
1h
CAA
Let's Encrypt
1h
CAA
Google Trust
1h
fastmail.com. 3600 IN CAA 0 issue "comodoca.com" fastmail.com. 3600 IN CAA 0 issue "digicert.com; cansignhttpexchanges=yes" fastmail.com. 3600 IN CAA 0 issue "letsencrypt.org" fastmail.com. 3600 IN CAA 0 issue "pki.goog; cansignhttpexchanges=yes" fastmail.com. 3600 IN CAA 0 issuewild "comodoca.com" fastmail.com. 3600 IN CAA 0 issuewild "digicert.com; cansignhttpexchanges=yes" fastmail.com. 3600 IN CAA 0 issuewild "letsencrypt.org" fastmail.com. 3600 IN CAA 0 issuewild "pki.goog; cansignhttpexchanges=yes"
Text Content
TTL
TXT
SPF
v=spf1 include:spf.messagingengine.com ~all
1h
fastmail.com. 3600 IN TXT "v=spf1 include:spf.messagingengine.com ~all"