hema.nl

Checked 21 October 2026, 21:21 UTC · via 8.8.8.8
!Passed with warnings
19 passed 3 warnings 0 failed 5 info

SPF

pass

SPF record published

Found

Record
v=spf1 mx ip4:87.233.130.50 ip4:87.233.130.51 ip4:87.233.74.18 ip4:87.233.206.102 ip4:87.233.206.103 ip4:89.146.27.182 ip4:212.23.130.0/28 ip4:217.115.148.192/27 ip4:5.196.102.96/28 ip4:37.58.122.100 ip4:104.40.199.180 ip4:62.204.93.131 ip4:13.69.10.134 ip4:192.113.181.33 ip4:151.106.158.193 ip4:160.8.43.116 ip4:207.244.98.227 ip4:83.149.98.72 ip4:83.149.98.73 ip4:40.115.66.46 ip4:13.94.232.90 ip4:191.238.213.99 ip4:213.227.138.96/28 ip4:83.149.67.64/27 ip4:178.162.177.128/27 ip4:192.254.121.79 ip4:85.222.130.224/28 ip4:85.222.138.224/28 ip4:85.222.150.192/28 ip4:85.222.150.208/28 ip4:85.222.150.224/28 ip4:85.222.158.192/28 ip4:85.222.158.208/28 ip4:85.222.158.224/28 ip4:161.71.6.224/28 ip4:161.71.14.224/28 include:spf.emsecure.net include:sendgrid.net ip4:217.114.96.34/32 ip4:84.241.129.64/27 ip4:84.241.136.96/27 ip4:84.241.172.160/27 ip6:2001:1690:22:a00::/56 ip4:217.114.105.25 ip4:192.113.239.50 ip4:81.17.56.1 ip4:13.88.226.191 ip4:35.156.137.161 ip4:3.126.49.211 ip4:3.125.176.117 ip4:51.13.102.144 include:spf.protection.outlook.com include:spf.flowmailer.net -all
DNS lookups
6 of 10
Void lookups
0 of 2

Checks

  • ✓ No deprecated ptr mechanism #1
    No ptr mechanism found in SPF record.
  • ✓ 6 of 10 DNS lookups #2
    SPF record needs 6 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

info

DNS query for _dmarc.hema.nl failed: read udp 46.225.38.91:40352->8.8.8.8:53: i/o timeout

Checks

  • i
    Could not be checked
    The DMARC lookup failed, so this could not be checked: DNS query for _dmarc.hema.nl failed: read udp 46.225.38.91:40352->8.8.8.8:53: i/o timeout
    #5

DKIM

warn

Selectors: selector2, s1, s2

Found

Selectors
selector2, s1, s2
_domainkey
NOERROR
SelectorKeyFlags
selector2RSA 2048 bits
s1RSA 2048 bits
s2RSA 1024 bits

Checks

  • ✓ Keys found: selector2, s1, s2 #7
    DKIM keys found for this domain with selectors: selector2, s1, s2
  • !
    1024-bit DKIM key
    1024-bit RSA keys are the minimum and are considered weak today: 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.

DNSSEC

pass

Signed, DS published at parent

Found

DNSKEY records
Yes (3)
DS at parent
Yes
Algorithms
ECDSAP256SHA256 (13)
Key tags
37528, 12449, 40110
Signatures valid until
29 October 2026, 00:00 UTC

Checks

  • ✓ Signed, DS published at parent #8
    DNSSEC is enabled for this domain (DNSKEY and DS present), providing additional security for DNS lookups.
  • ✓ Signatures valid until 2026-10-29 #21
    DNSKEY signatures are valid until 2026-10-29T00:00:00Z.

MX

warn

1 mail server

Found

PriorityHostRecordsReverse DNS
50hema-nl.mail.protection.outlook.comA 52.101.91.153 A 52.101.91.156 A 52.101.68.29 A 52.101.185.24mail-matpr04cu00101.inbound.protection.outlook.com ✓ mail-maspr04cu00104.inbound.protection.outlook.com ✓ mail-dbapr03cu00105.inbound.protection.outlook.com ✓ mail-zrxpr07cu00100.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.
  • !
    Hosts without IPv6
    The following MX hosts could not be resolved to IPv6 addresses: hema-nl.mail.protection.outlook.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 4 MX addresss have a PTR record that resolves back to them.

TLS

info

no MTA-STS · no TLS-RPT · DANE on 0 of 1 MX hosts

Found

DANE (TLSA records)

MX hostTLSADNSSEC
hema-nl.mail.protection.outlook.comnone-
Lookup error: DNS query for _mta-sts.hema.nl failed: read udp 46.225.38.91:41087->8.8.8.8:53: i/o timeout

Checks

  • i
    Could not be checked
    The MTA-STS lookup failed, so this could not be checked: DNS query for _mta-sts.hema.nl failed: read udp 46.225.38.91:41087->8.8.8.8:53: i/o timeout
    #32
  • i
    Could not be checked
    The TLS-RPT lookup failed, so this could not be checked: DNS query for _smtp._tls.hema.nl failed: read udp 46.225.38.91:39972->8.8.8.8:53: i/o timeout
    #35
  • 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

info

No BIMI record

Checks

  • i
    Not configured
    BIMI shows your logo next to your mail in supporting mail clients. It requires DMARC enforcement.
    #38