A
Scanned 14 days ago. Re-scan for a fresh result after a fix.
Issues to fix
- warnPartial bulk-sender setup, missing DKIM. Gmail/Yahoo and Microsoft require all three for 5,000+ messages/day.→
- warnpct=100 is deprecated in DMARCbis, apply the policy to all mail.→
- warnNo TLS-RPT reporting address. TLS delivery failures go unreported.→
- warnCertificate does not match MX hostname mail.wilberts-solar.de. Acceptable for opportunistic TLS, but blocks strict policies such as MTA-STS and DANE.→
Results
01Mail exchangers (MX)A
pass
2 MX record(s) found.
records
| preference | exchange | ttl |
|---|---|---|
| 10 | mail.wilberts-solar.de | 86400 |
| 50 | mxe836.netcup.net | 86400 |
02Mail providerA
info
Mail is handled by wilberts-solar.de, a self-hosted or independent provider.
provider wilberts-solar.de
03SPFA
pass
SPF record present.
record v=spf1 mx a include:_spf.webhosting.systems ~all
pass
SPF uses 5 of the 10 permitted DNS lookups.
lookups 5
pass
~all default policy.
04DKIMA
info
No DKIM selector found via common probes (a _domainkey subtree exists but no common selector matched), the domain may use a custom selector.
05DMARCA
pass
DMARC record present.
record v=DMARC1; p=quarantine; adkim=s; aspf=s; pct=100
pass
Enforcing policy p=quarantine.
warn
pct=100 is deprecated in DMARCbis, apply the policy to all mail.
info
Strict alignment (adkim/aspf = s) is enforced.
06DNS healthA
07BlacklistsA
info
IPv6 MX addresses are not checked against IP DNSBLs.
pass
202.61.232.54 is not listed on SpamCop.
target 202.61.232.54
list SpamCop
pass
202.61.232.54 is not listed on Spamhaus ZEN.
target 202.61.232.54
list Spamhaus ZEN
pass
wilberts-solar.de is not listed on Spamhaus DBL.
target wilberts-solar.de
list Spamhaus DBL
pass
202.61.232.54 is not listed on Spamhaus AuthBL.
target 202.61.232.54
list Spamhaus AuthBL
pass
wilberts-solar.de is not listed on Spamhaus ZRD.
target wilberts-solar.de
list Spamhaus ZRD
pass
202.61.232.54 is not listed on PSBL.
target 202.61.232.54
list PSBL
pass
202.61.232.54 is not listed on GBUdb Truncate.
target 202.61.232.54
list GBUdb Truncate
08Bulk sending readinessA
warn
Partial bulk-sender setup, missing DKIM. Gmail/Yahoo and Microsoft require all three for 5,000+ messages/day.
spf true
dkim false
dmarc true
threshold 5,000 messages/day
info
One-click List-Unsubscribe is a message-level header. Verify by sending a test message.
09TLSA
info
No DANE/TLSA records. DANE is not deployed for these mail servers.
hosts mail.wilberts-solar.de, mxe836.netcup.net
pass
Negotiated TLSv1.3.
tls_version TLSv1.3
host mail.wilberts-solar.de
pass
Certificate valid for 173 more day(s).
not_after 2027-01-29T23:59:59+00:00
host mail.wilberts-solar.de
warn
Certificate does not match MX hostname mail.wilberts-solar.de. Acceptable for opportunistic TLS, but blocks strict policies such as MTA-STS and DANE.
names *.netcup.net, netcup.net
host mail.wilberts-solar.de
pass
Server presented a 3-certificate chain.
chain_len 3
host mail.wilberts-solar.de
10MTA-STSA
11BIMIA
info
No BIMI record. No brand logo is published for inboxes with BIMI support.
BIMI draft
SMTP (live probe)
info
No DANE/TLSA records. DANE is not deployed for these mail servers.
hosts mail.wilberts-solar.de, mxe836.netcup.net
pass
2 of 2 MX host(s) reachable on port 25.
reachable mail.wilberts-solar.de, mxe836.netcup.net
unreachable (none)
pass
Greeting is 220 with a hostname (mxe836.netcup.net).
banner 220 mxe836.netcup.net ESMTP Postfix (Debian/GNU)
pass
Banner hostname matches reverse DNS.
banner_fqdn mxe836.netcup.net
ptr mxe836.netcup.net
pass
EHLO accepted with 8 extension(s).
extensions 8BITMIME, AUTH, CHUNKING, DSN, ENHANCEDSTATUSCODES, ETRN, PIPELINING, SIZE
info
Server does not advertise SMTPUTF8; internationalized (EAI) addresses may be rejected.
pass
STARTTLS is advertised in EHLO.
pass
STARTTLS negotiated a working TLS session.
tls_version TLSv1.3
pass
Negotiated TLSv1.3.
tls_version TLSv1.3
host mail.wilberts-solar.de
pass
Certificate valid for 173 more day(s).
not_after 2027-01-29T23:59:59+00:00
host mail.wilberts-solar.de
warn
Certificate does not match MX hostname mail.wilberts-solar.de. Acceptable for opportunistic TLS, but blocks strict policies such as MTA-STS and DANE.
names *.netcup.net, netcup.net
host mail.wilberts-solar.de
pass
Server presented a 3-certificate chain.
chain_len 3
host mail.wilberts-solar.de
pass
Server refused external relay, as expected.
reply 554 5.7.1 <relay-test@example.com>: Relay access denied
pass
Server accepts the null sender (MAIL FROM:<>), so bounces and DSNs can be delivered.
reply 250 2.1.0 Ok
About this report
This report grades the email and DNS setup of wilberts-solar.de against the relevant RFCs. Each check links to the standard behind the rule. A high grade means the common causes of spoofing and poor deliverability are covered. A grade is not a guarantee that every message reaches the inbox.
Frequently asked questions
What does the grade mean?
The grade summarizes how completely the domain implements the core email authentication and DNS standards. A and B mean the main protections (SPF, DKIM, DMARC, valid MX) are in place. Lower grades flag gaps that make spoofing easier or hurt deliverability. A missing MX record caps the grade at F, a weak SPF all-qualifier caps at D, and no DMARC caps at C.
How fresh is this report?
A report is a snapshot from when it was last scanned, kept as a shareable link. If you are fixing your setup, use the Re-scan button to run every check live again.
Why is the SMTP section still loading?
The live SMTP probe connects to the mail servers from a dedicated prober, which takes a few seconds and runs separately from the DNS checks. The results stream in when ready. If SMTP was not requested for this report, that section stays empty.
I own this domain and want to stop scan.mx checking it.
Domain owners can block scanning by publishing a DNS TXT record; see the opt-out page.