Report for parkpl.co
NS Records at Parent Servers
We have successfully fetched domain's NS records from parent name server (
ns5.cctld.co.).
Domain NS records:
-
ns1.digitalocean.com. TTL=3600
[NO GLUE4]
[NO GLUE6]
-
ns2.digitalocean.com. TTL=3600
[NO GLUE4]
[NO GLUE6]
Test ignored, name servers are located outside of current zone.
Name Servers Have A Records
OK.
Found A records for all name servers.
- ns1.digitalocean.com. → 173.245.58.51
- ns2.digitalocean.com. → 173.245.59.41
To reach your name servers via IPv4 an A record is needed for each name server.
Name Servers Have AAAA Records
OK.
Found AAAA records for all name servers.
- ns1.digitalocean.com. → 2400:cb00:2049:1::adf5:3a33
- ns2.digitalocean.com. → 2400:cb00:2049:1::adf5:3b29
To reach your name servers via IPv6 an AAAA record is needed for each name server.
Could not get NS records from your name servers.
Domain SOA Record:
- Primary nameserver: ns1.digitalocean.com.
- Hostmaster (e-mail): hostmaster.parkpl.co.
- Serial: 1661994070
- Refresh: 10800
- Retry: 3600
- Expire: 604800
- Minimum TTL: 1800
Name Servers Agreement on Serial Number
OK.
All name servers (2) have the same
serial number [1661994070].
Having different serials on your name servers may show inconsistencies between name servers
configuration (multiple masters), or communication errors (ACL and firewall issues).
NOTICE:
Although your serial is valid [1661994070],
it's not using recommended serial number format YYYYMMDDnn,
where YYYY is four-digit year number, MM is the month,
DD is the day and nn is the sequence number in case zone
file is updated more than once per day.
OK.
Primary name server is ns1.digitalocean.com. and is listed at the parent name servers.
The MNAME field defines the Primary Master name server for the zone,
this name server should be found in your NS records.
OK.
Contact email for DNS problems is
[email protected]. (
hostmaster.parkpl.co.).
RNAME field defines an administrative email for your zone. RFC2142 recommends using
hostmaster
e-mail for this purpose, but any valid e-mail address can be used.
OK.
Refresh interval is 10800.
Recommended values [1200 .. 43200] (20 min ... 12 hours).
Refresh field from SOA record determines how quickly zone changes are propagated from master to slave.
OK.
Retry interval is 3600.
Recommended values [120 .. 7200] (2 minutes .. 2 hours).
Retry field from SOA record defines how often slave should retry contacting master if connection to master failed during refresh.
OK.
Expire interval is 604800.
Recommended values [604800 .. 1209600] (1 week ... 2 weeks).
Expiry defines zone expiration time in seconds after which slave must re-validate zone file,
if contacting master fails then slave will stop responding to any queries.
WARNING:
Minimum TTL value is 1800.
Recommended values [3600 .. 86400] (1 hour ... 1 day).
Minimum TTL was redefined in RFC 2308, now it defines the period of time used by slaves
to cache negative responses.
Your name servers returned
5 MX records:
-
1 aspmx.l.google.com. TTL=1800
-
5 alt1.aspmx.l.google.com. TTL=1800
-
5 alt2.aspmx.l.google.com. TTL=1800
-
10 alt4.aspmx.l.google.com. TTL=1800
-
10 alt3.aspmx.l.google.com. TTL=1800
OK.
All name servers returned identical MX records.
Mail Servers Have A Records
OK.
Found A records for all mail servers.
- alt1.aspmx.l.google.com. → 64.233.171.27
- alt2.aspmx.l.google.com. → 142.250.152.27
- alt3.aspmx.l.google.com. → 172.253.113.27
- alt4.aspmx.l.google.com. → 173.194.77.27
- aspmx.l.google.com. → 142.251.2.26
To reach your mail servers via IPv4 an A record is needed for each mail server.
Mail Servers Have AAAA Records
OK.
Found AAAA records for all mail servers.
- alt1.aspmx.l.google.com. → 2607:f8b0:4003:c15::1b
- alt2.aspmx.l.google.com. → 2607:f8b0:4001:c56::1a
- alt3.aspmx.l.google.com. → 2607:f8b0:4023:1::1b
- alt4.aspmx.l.google.com. → 2607:f8b0:4023:401::1a
- aspmx.l.google.com. → 2607:f8b0:4023:c06::1b
To reach your mail servers via IPv6 an AAAA record is needed for each mail server.
Reverse Entries for MX records
OK.
All mail servers have reverse DNS entries configured correctly.
|
Server |
IP |
PTR (Reverse) |
IPs |
|
aspmx.l.google.com. |
142.251.2.26 |
dl-in-f26.1e100.net. |
142.251.2.26 |
|
alt1.aspmx.l.google.com. |
64.233.171.27 |
na-in-f27.1e100.net. |
66.102.12.27, 216.239.32.27, 64.233.171.27 |
|
alt2.aspmx.l.google.com. |
142.250.152.27 |
ia-in-f27.1e100.net. |
142.250.152.27 |
|
alt4.aspmx.l.google.com. |
173.194.77.27 |
gc-in-f27.1e100.net. |
173.194.77.27 |
|
alt4.aspmx.l.google.com. |
173.194.77.27 |
ob-in-f27.1e100.net. |
142.250.149.27, 66.102.12.27, 173.194.77.27, 216.239.32.27 |
|
alt3.aspmx.l.google.com. |
172.253.113.27 |
ma-in-f27.1e100.net. |
172.253.113.27 |
|
aspmx.l.google.com. |
2607:f8b0:4023:c06::1b |
dz-in-f27.1e100.net. |
2607:f8b0:4023:c06::1b |
|
alt1.aspmx.l.google.com. |
2607:f8b0:4003:c15::1b |
na-in-f27.1e100.net. |
2607:f8b0:4003:c15::1b |
|
alt1.aspmx.l.google.com. |
2607:f8b0:4003:c15::1b |
na-in-x1b.1e100.net. |
2001:4860:4802:32::1b, 2607:f8b0:4003:c15::1b |
|
alt2.aspmx.l.google.com. |
2607:f8b0:4001:c56::1a |
ia-in-f26.1e100.net. |
2607:f8b0:4001:c56::1a |
|
alt4.aspmx.l.google.com. |
2607:f8b0:4023:401::1a |
gc-in-f26.1e100.net. |
2607:f8b0:4023:401::1a |
|
alt3.aspmx.l.google.com. |
2607:f8b0:4023:1::1b |
ma-in-f27.1e100.net. |
2607:f8b0:4023:1::1b |
All mail servers should have a reverse DNS (PTR) entry for
each IP address (RFC 1912). Missing reverse DNS entries will
make many mail servers to reject your e-mails or mark them
as SPAM.
All IP's reverse DNS entries should resolve back to
IP address (IP → PTR → IP).
Many mail servers are configured to reject e-mails from
IPs with inconsistent reverse DNS configuration.
Check MX Records for Invalid Chars
OK.
No invalid characters found.
Name field from MX records should be a valid host name.
Check MX Records IPs are Public
OK.
No private IPs found.
Mail servers using private IPs can't be reached from the Internet causing mail delivery delays.
Check MX Records for Duplicates
OK.
No MX records duplicates (same IP addresses) found.
Although technically valid, duplicate MX records have no benefits and can cause confusion.
Only Host Names in MX Records
OK.
No IPs found in MX records.
IP addresses are not allowed in MX records, only host names.
OK.
No CNAMEs found in MX records.
RFC 2181, section 10.3 says that host name must map directly to one or more address record (A or AAAA)
and must not point to any CNAME records.
RFC 1034, section 3.6.2 says if a name appears in the right-hand side of RR (Resource Record)
it should not appear in the left-hand name of CNAME RR, thus CNAME records should not be used with
NS and MX records.
Despite this restrictions, there are many working configuration using CNAME with
NS and MX records.
OK.
Mail servers IPs are not blacklisted.
Check Google Apps Settings
FAIL:
Connection to all mail servers failed.
- alt1.aspmx.l.google.com.:
Server checks disabled due complaints.
- alt2.aspmx.l.google.com.:
Server checks disabled due complaints.
- alt3.aspmx.l.google.com.:
Server checks disabled due complaints.
- alt4.aspmx.l.google.com.:
Server checks disabled due complaints.
- aspmx.l.google.com.:
Server checks disabled due complaints.
To receive emails, mail servers should allow TCP connections on port 25.
OK.
No differences between mail server host names and greeting host name.
Accepts Postmaster Address
Temporary error, could not determine if
all mail servers are accepting emails to
[email protected] address:
-
alt1.aspmx.l.google.com.
Server checks disabled due complaints.
-
alt2.aspmx.l.google.com.
Server checks disabled due complaints.
-
alt3.aspmx.l.google.com.
Server checks disabled due complaints.
-
alt4.aspmx.l.google.com.
Server checks disabled due complaints.
-
aspmx.l.google.com.
Server checks disabled due complaints.
RFC 822, RFC 1123 and RFC 2821 requires that all domain's mail servers should accept e-mails to postmaster.
To be compliant you can create an alias and forward all postmaster's e-mails to a valid mailbox.
Temporary error, could not determine if
all mail servers are accepting emails to
[email protected] address:
-
alt1.aspmx.l.google.com.
Server checks disabled due complaints.
-
alt2.aspmx.l.google.com.
Server checks disabled due complaints.
-
alt3.aspmx.l.google.com.
Server checks disabled due complaints.
-
alt4.aspmx.l.google.com.
Server checks disabled due complaints.
-
aspmx.l.google.com.
Server checks disabled due complaints.
RFC 822, RFC 1123 and RFC 2821 requires that all domain's mail servers should accept e-mails to postmaster.
To be compliant you can create an alias and forward all postmaster's e-mails to a valid mailbox.
OK.
Found SPF record:
- v=spf1 a mx include:_spf.google.com ~all
- google-site-verification=IcRJBf2JsOkUU0PtxAj8pyXu203Irn4iVKj6eoN_M0Q
- v=DMARC1; p=none
SPF
(Sender Policy Framework) record is designed to prevent e-mail spoofing.
Typical SPF record would be:
v=spf1 a mx ~all
or
v=spf1 a mx include:_spf.google.com ~all if you are using Google Apps.
OK.
Name servers returned identical TXT records.
Only SPF records are compared, all name servers should return identical SPF records.
No SPF type records found.
All name servers should return identical SPF records.
NOTICE:
Domain doesn't have DMARC record.
DMARC
(Domain-based Message Authentication, Reporting & Conformance)
helps reducing potential of email-based abuse such as spam and
phishing e-mails.
OK.
Domain
parkpl.co. resolves to:
Domain Name IPs are Public
OK.
No private IPs found for parkpl.co..
Web servers using private IPs can't be reached from the Internet.
OK.
Domain
www.parkpl.co. resolves to:
OK.
No private IPs found for www.parkpl.co..
Web servers using private IPs can't be reached from the Internet.
Report completed in 0.12 seconds.
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