Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
diakonie-ol.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 23:26:59 UTC · ↺ Refresh
MX Hostnames
- mail2.diakonie-ol.de
MX Priorities
- mail2.diakonie-ol.de: 15
A / AAAA Records
- 62.91.66.40 (no PTR)
Mail Server IPs
- 85.16.128.37 ↩ mail2.diakonie-ol.de
SOA Record
Raw SOA
ns.bisping.de hostmaster.bisping.de 2026012003 86400 3600 3600000 10800
Primary NS (mname)
ns.bisping.de
Admin Email (rname)
hostmaster@bisping.de
Serial
2026012003
Refresh
86400s
Retry
3600s
Expire
3600000s
Minimum TTL
10800s
Nameservers (NS)
ns.bisping.de
ns3.bisping.de
ns2.bisping.de
SPF Record
✓ Strict (-all)
v=spf1 mx a ptr include:spf.de.umantis.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:46.4.135.200/32 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 mx a ptr include:spf.de.umantis.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:46.4.135.200/32 -all
- apple-domain-verification=67m7GSW1n4wN87i4
- MS=9E3F3EEBE121CC14065E9EF0E898A5CADC8321AF
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for diakonie-ol.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits