hubstaff.com

SPF record published

Found

Record

v=spf1 a include:_spf.google.com include:spf.mandrillapp.com include:sendgrid.net include:emsd1.com include:8683234.spf03.hubspotemail.net -all

DNS lookups

7 of 10

Void lookups

0 of 2

Problem

include:8683234.spf03.hubspotemail.net could not be resolved: DNS query for 8683234.spf03.hubspotemail.net failed: read udp 46.225.38.91:44336->8.8.8.8:53: i/o timeout

Checks

• ✓ No deprecated ptr mechanism #1

  No ptr mechanism found in SPF record.
• !

  7 of 10 DNS lookups, with problems

  SPF record needs 7 DNS lookups (limit is 10). Problems found: include:8683234.spf03.hubspotemail.net could not be resolved: DNS query for 8683234.spf03.hubspotemail.net failed: read udp 46.225.38.91:44336->8.8.8.8:53: i/o timeout.

  #2
• ✓ Ends with -all #3

  SPF record properly uses -all to restrict unauthorized senders.
• ✓ Record published #6

  SPF record exists for this domain.
• ✓ Single record #16

  Exactly one SPF record is published.
• ✓ Valid syntax #25

  All SPF mechanisms and modifiers are valid.
• ✓ No void lookups #26

  All include/redirect targets exist.
• ✓ No overly broad IP ranges #27

  All ip4/ip6 ranges are narrow enough.

p=reject (_dmarc.hubstaff.com)

Found

Record

v=DMARC1; p=reject; sp=none; rua=mailto:dmarc_aggregate_analyser+f974a42707ab390aa2fe778a115d7772@zerobounce.net,mailto:re+0b7e4f254716@inbound.dmarcdigests.com; ruf=mailto:dmarc_forensics_analyser+f974a42707ab390aa2fe778a115d7772@zerobounce.net; rf=afrf; pct=100; ri=86400; fo=1;

Found at

_dmarc.hubstaff.com

External report address

mailto:dmarc_aggregate_analyser+f974a42707ab390aa2fe778a115d7772@zerobounce.net (authorized)

External report address

mailto:re+0b7e4f254716@inbound.dmarcdigests.com (authorized)

External report address

mailto:dmarc_forensics_analyser+f974a42707ab390aa2fe778a115d7772@zerobounce.net (authorized)

Checks

• ✓ Policy: reject #4

  DMARC policy is set to 'reject', which provides the strongest protection against email spoofing.
• ✓ Record published #5

  DMARC record exists for this domain.
• ✓ Valid syntax #17

  DMARC record syntax is valid.
• ✓ Applies to 100% of mail #18

  DMARC policy applies to all failing mail.
• ✓ Aggregate reports enabled #19

  Aggregate reports are sent to: mailto:dmarc_aggregate_analyser+f974a42707ab390aa2fe778a115d7772@zerobounce.net, mailto:re+0b7e4f254716@inbound.dmarcdigests.com
• !

  Subdomains unprotected (sp=none)

  DMARC subdomain policy is sp=none, so spoofed mail from subdomains is not blocked. Consider sp=quarantine or sp=reject.

  #20
• ✓ External report addresses authorized #29

  Report addresses in other domains have published their authorization.

Selectors: google, s1, s2

Found

Selectors

google, s1, s2

_domainkey

NOERROR

Checks

• ✓ Keys found: google, s1, s2 #7

  DKIM keys found for this domain with selectors: google, s1, s2
• !

  1024-bit DKIM key

  1024-bit RSA keys are the minimum and are considered weak today: google (1024 bits), s2 (1024 bits). Rotate to a 2048-bit key.

  #23
• ✓ No problematic flags #24

  No keys in test mode, revoked, or limited to SHA-1.

1 mail server

Found

Checks

• ✓ 1 MX record #9

  Found 1 MX records for this domain.
• ✓ All hosts resolve #10

  All MX records resolve to valid IP addresses.
• !

  Hosts without IPv6

  The following MX hosts could not be resolved to IPv6 addresses: smtp.google.com

  #11
• !

  Single MX host, no backup

  Only one MX record found. For better email reliability, consider adding at least one backup MX server.

  #12
• ✓ At most 5 MX records #13

  Found 1 MX records, which is within the recommended range (1-5).
• ✓ No localhost targets #14

  No MX records pointing to localhost found.
• ✓ No private IP addresses #15

  No MX records resolving to private IP addresses found.
• ✓ No CNAME targets #22

  No MX records point to a CNAME.
• ✓ Reverse DNS confirmed #30

  All 2 MX addresss have a PTR record that resolves back to them.