viv.nl

Checked 22 October 2026, 17:10 UTC · via 8.8.8.8
✗Problems found
26 passed 4 warnings 1 failed 2 info

SPF

pass

SPF record published

Found

Record
v=spf1 +a +mx ip4:116.202.115.252 ip4:92.68.249.10 ip6:2a01:4f8:231:4383::2 ip4:195.121.65.26 include:spf.flowmailer.net include:_spf.idefender.nl include:spf.viviwordpress.hypernode.io include:servers.mcsv.net include:spf.protection.outlook.com -all
DNS lookups
8 of 10
Void lookups
0 of 2

Checks

  • ✓ No deprecated ptr mechanism #1
    No ptr mechanism found in SPF record.
  • ✓ 8 of 10 DNS lookups #2
    SPF record needs 8 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

fail

p=none (_dmarc.viv.nl)

Found

Record
v=DMARC1;p=none;rua=mailto:dmarc@inbound.flowmailer.net,mailto:eca01bb435@rua.easydmarc.us;ruf=mailto:dmarc@inbound.flowmailer.net,mailto:eca01bb435@ruf.easydmarc.us;fo=1;
Found at
_dmarc.viv.nl
External report address
mailto:dmarc@inbound.flowmailer.net (authorized)
External report address
mailto:eca01bb435@rua.easydmarc.us (authorized)
External report address
mailto:eca01bb435@ruf.easydmarc.us (authorized)
TagValueMeaning
vDMARC1Version
pnonePolicy
ruamailto:dmarc@inbound.flowmailer.net,mailto:eca01bb435@rua.easydmarc.usAggregate report addresses
rufmailto:dmarc@inbound.flowmailer.net,mailto:eca01bb435@ruf.easydmarc.usFailure report addresses
fo1Failure reporting options

Checks

  • ✗
    Policy: none (monitoring only)
    DMARC policy is set to 'none', which only monitors but doesn't protect against spoofing. Consider upgrading to 'quarantine' or ideally 'reject'.
    #4
  • ✓ Record published #5
    DMARC record exists for this domain.
  • ✓ Valid syntax #17
    DMARC record syntax is valid.
  • ✓ Aggregate reports enabled #19
    Aggregate reports are sent to: mailto:dmarc@inbound.flowmailer.net, mailto:eca01bb435@rua.easydmarc.us
  • ✓ External report addresses authorized #29
    Report addresses in other domains have published their authorization.

DKIM

warn

Selectors: default, k1, selector1, s1, s2

Found

Selectors
default, k1, selector1, s1, s2
_domainkey
NOERROR
SelectorKeyFlags
defaultRSA 2048 bits
k1RSA 1024 bits
selector1RSA 1024 bits
s1RSA 2048 bits
s2RSA 2048 bits

Checks

  • ✓ Keys found: default, k1, selector1, s1, s2 #7
    DKIM keys found for this domain with selectors: default, k1, selector1, s1, s2
  • !
    1024-bit DKIM key
    1024-bit RSA keys are the minimum and are considered weak today: k1 (1024 bits), 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

pass

Signed, DS published at parent

Found

DNSKEY records
Yes (1)
DS at parent
Yes
Algorithms
ECDSAP256SHA256 (13)
Key tags
59021
Signatures valid until
5 November 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 2026-11-05 #21
    DNSKEY signatures are valid until 2026-11-05T00:00:00Z.

MX

warn

2 mail servers

Found

PriorityHostRecordsReverse DNS
10mx01.idefender.nlA 185.158.202.32filter01.idefender.nl ✓
10mx02.idefender.nlA 185.158.202.33filter02.idefender.nl ✓

Checks

  • ✓ 2 MX records #9
    Found 2 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: mx01.idefender.nl, mx02.idefender.nl
    #11
  • ✓ Redundant MX hosts #12
    Found 2 MX records, which provides redundancy for email delivery.
  • ✓ At most 5 MX records #13
    Found 2 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.

TLS

warn

MTA-STS testing · TLS-RPT · DANE on 0 of 2 MX hosts

Found

MTA-STS record
v=STSv1; id=20240203T105820;
Policy URL
https://mta-sts.viv.nl/.well-known/mta-sts.txt
Mode
testing
Allowed MX
filter1.idefender.nl, filter2.idefender.nl
Max age
31449600 seconds
TLS-RPT record
v=TLSRPTv1; rua=mailto:eca01bb435@tls.easydmarc.com;

DANE (TLSA records)

MX hostTLSADNSSEC
mx01.idefender.nlnone-
mx02.idefender.nlnone-

Checks

  • ✓ Record published #32
    MTA-STS record found with id 20240203T105820.
  • !
    Policy in testing mode
    With mode: testing, senders only report TLS problems (via TLS-RPT) and still deliver without TLS. Switch to mode: enforce once reports are clean.
    #33
  • !
    MX hosts missing from policy
    These MX hosts are not listed in the MTA-STS policy (mx: filter1.idefender.nl, filter2.idefender.nl): mx01.idefender.nl, mx02.idefender.nl. This will break delivery once the policy is enforced.
    #34
  • ✓ Reports enabled #35
    TLS reports are sent to: mailto:eca01bb435@tls.easydmarc.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

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