proventus.de

Valid Email Server
Domain Lookup › proventus.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
proventus.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 11:36:39 UTC · ↺ Refresh

MX Hostnames

  • mx.cfp.swisslife.info
  • mx.mailsec.sldo.cloud

MX Priorities

  • mx.mailsec.sldo.cloud: 5
  • mx.cfp.swisslife.info: 10

A / AAAA Records

  • 75.2.57.23 ↩ abf5912f0e69bbecb.awsglobalaccelerator.com

Mail Server IPs

  • 52.58.179.9 ↩ ec2-52-58-179-9.eu-central-1.compute.amazonaws.com
  • 3.120.170.101 ↩ ec2-3-120-170-101.eu-central-1.compute.amazonaws.com
  • 18.159.73.122 ↩ ec2-18-159-73-122.eu-central-1.compute.amazonaws.com
  • 40.74.2.103 ↩ mx.cfp.swisslife.info

SOA Record

Raw SOA ns1.brandshelter.com tech.brandshelter.com 2026024237 10800 3600 604800 300
Primary NS (mname)
ns1.brandshelter.com
Admin Email (rname)
tech@brandshelter.com
Serial
2026024237
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.brandshelter.de
ns5.brandshelter.us
ns1.brandshelter.com
ns3.brandshelter.info
ns4.brandshelter.net

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=_spf.sldo.de
📊 DNS lookups: 1/10

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=20;fo=1;rua=mailto:[email protected];aspf=s;adkim=s;sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 20% of failing messages only

DKIM Selectors

✗ None detected

No 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

8 records
  • MS=ms21812580
  • _globalsign-domain-verification=aoO3qX1/APZx0iW6rxYhTOaPia4wDlg4Kn/RctdNcaQ=
  • aoO3qX1/APZx0iW6rxYhTOaPia4wDlg4Kn/RctdNcaQ=
  • miro-verification=27a417c2370b61d0189c6b045719fb0c85d00a1d
  • CulBE83VhTp4h4YJznWUoTXGlDtx+fdXzwKlmg12fB4=
  • _globalsign-domain-verification=4HGBJmrsWEBVORYpd3I8LaOKPFho3voQsHmfZTbtAl
  • SPFv=spf1 redirect=_spf.sldo.de
  • google-site-verification=BAU2XC-YFIRUTdFPWYBwNeavSQVPc1aKAE-Lx8belRY
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
See demo & docs
Deep verification
Full email verification for proventus.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits