startech.com

Checked 22 October 2026, 10:51 UTC · via 8.8.8.8
!Passed with warnings
31 passed 3 warnings 0 failed 1 info

SPF

pass

SPF record published

Found

Record
v=spf1 mx ip4:209.182.221.120 ip4:192.152.195.120 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:can.pb-dynmktg.com include:_spf.ultipro.com include:marketing.dynamics.com include:342005772.spf10.hubspotemail.net -all
DNS lookups
7 of 10
Void lookups
0 of 2

Checks

  • ✓ No deprecated ptr mechanism #1
    No ptr mechanism found in SPF record.
  • ✓ 7 of 10 DNS lookups #2
    SPF record needs 7 DNS lookups (limit is 10).
  • ✓ 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.

DMARC

pass

p=reject (_dmarc.startech.com)

Found

Record
v=DMARC1;p=reject;rua=mailto:14bc264902@rua.easydmarc.us,mailto:dmarc_agg@dmarc.everest.email;ruf=mailto:14bc264902@ruf.easydmarc.us,mailto:dmarc_fr@dmarc.everest.email;fo=1;
Found at
_dmarc.startech.com
External report address
mailto:14bc264902@rua.easydmarc.us (authorized)
External report address
mailto:dmarc_agg@dmarc.everest.email (authorized)
External report address
mailto:14bc264902@ruf.easydmarc.us (authorized)
External report address
mailto:dmarc_fr@dmarc.everest.email (authorized)
TagValueMeaning
vDMARC1Version
prejectPolicy
ruamailto:14bc264902@rua.easydmarc.us,mailto:dmarc_agg@dmarc.everest.emailAggregate report addresses
rufmailto:14bc264902@ruf.easydmarc.us,mailto:dmarc_fr@dmarc.everest.emailFailure report addresses
fo1Failure reporting options

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:14bc264902@rua.easydmarc.us, mailto:dmarc_agg@dmarc.everest.email
  • ✓ Subdomain policy: reject #20
    Subdomains are covered by policy 'reject'.
  • ✓ External report addresses authorized #29
    Report addresses in other domains have published their authorization.

DKIM

warn

Selectors: selector1, selector2

Found

Selectors
selector1, selector2
_domainkey
NOERROR
SelectorKeyFlags
selector1RSA 1024 bits
selector2RSA 2048 bits

Checks

  • ✓ Keys found: selector1, selector2 #7
    DKIM keys found for this domain with selectors: selector1, selector2
  • !
    1024-bit DKIM key
    1024-bit RSA keys are the minimum and are considered weak today: selector1 (1024 bits). Rotate to a 2048-bit key.
    #23
  • ✓ No problematic flags #24
    No keys in test mode, revoked, or limited to SHA-1.

DNSSEC

warn

Not signed

Found

DNSKEY records
No (0)
DS at parent
No

Checks

  • !
    Not enabled
    DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8

MX

warn

1 mail server

Found

PriorityHostRecordsReverse DNS
10startech-com.mail.protection.outlook.comA 52.101.190.1 A 52.101.192.1 A 52.101.190.0 A 52.101.190.2 AAAA 2a01:111:f403:f909::b AAAA 2a01:111:f403:c918::3 AAAA 2a01:111:f403:f90b::2 AAAA 2a01:111:f403:c902::1mail-yt3pr01cu00701.inbound.protection.outlook.com ✓ mail-yqzpr01cu01001.inbound.protection.outlook.com ✓ mail-yt5pr01cu00100.inbound.protection.outlook.com ✓ mail-yt3pr01cu00602.inbound.protection.outlook.com ✓ mail-bnypr03cu00203.inbound.protection.outlook.com ✓ mail-byapr03cu00203.inbound.protection.outlook.com ✓ mail-bnypr02cu00102.inbound.protection.outlook.com ✓ mail-sj2pr05cu00401.inbound.protection.outlook.com ✓

Checks

  • ✓ 1 MX record #9
    Found 1 MX records for this domain.
  • ✓ All hosts resolve #10
    All MX records resolve to valid IP addresses.
  • ✓ All hosts have IPv6 #11
    All MX records resolve to IPv6 addresses.
  • !
    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 8 MX addresss have a PTR record that resolves back to them.

TLS

info

MTA-STS enforce · TLS-RPT · DANE on 0 of 1 MX hosts

Found

MTA-STS record
v=STSv1; id=1112023;
Policy URL
https://mta-sts.startech.com/.well-known/mta-sts.txt
Mode
enforce
Allowed MX
*.mail.protection.outlook.com
Max age
604800 seconds
TLS-RPT record
v=TLSRPTv1; rua=mailto:devin.atkinson@startech.com

DANE (TLSA records)

MX hostTLSADNSSEC
startech-com.mail.protection.outlook.comnone-

Checks

  • ✓ Record published #32
    MTA-STS record found with id 1112023.
  • ✓ Policy enforced #33
    The MTA-STS policy is enforced and cached for 168h0m0s.
  • ✓ All MX hosts covered #34
    Every MX host matches an mx: line of the MTA-STS policy.
  • ✓ Reports enabled #35
    TLS reports are sent to: mailto:devin.atkinson@startech.com
  • i
    Not used
    No MX host publishes TLSA records. DANE lets senders verify your mail server's certificate through DNSSEC; it requires DNSSEC on the MX host's zone.
    #36

BIMI

pass

https://sgcdn.startech.com/005329/bimi/logosquare.svg

Found

Record
v=BIMI1; l=https://sgcdn.startech.com/005329/bimi/logosquare.svg;a=https://sgcdn.startech.com/005329/bimi/startech_com_ltd.pem
Found at
default._bimi.startech.com
Logo
https://sgcdn.startech.com/005329/bimi/logosquare.svg
Certificate
https://sgcdn.startech.com/005329/bimi/startech_com_ltd.pem

Checks

  • ✓ Logo and certificate published #38
    BIMI logo: https://sgcdn.startech.com/005329/bimi/logosquare.svg; certificate: https://sgcdn.startech.com/005329/bimi/startech_com_ltd.pem
  • ✓ DMARC meets BIMI requirements #39
    DMARC is enforced on all mail, as BIMI requires.