Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optiso-consult.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 15:49:26 UTC · ↺ Refresh
MX Hostnames
- mail.optiso-consult.de
MX Priorities
- mail.optiso-consult.de: 10
A / AAAA Records
- 167.235.24.255 ↩ archentry01.noah-wens.de
- 2a01:4f8:1c1e:cd01::1 ↩ archentry01.noah-wens.de
Mail Server IPs
- 49.12.156.151 ↩ mail.optiso-consult.de
SOA Record
Raw SOA
dns.noah-wens.de postmaster.optiso-consult.de 2026031404 21600 3600 1209600 86400
Primary NS (mname)
dns.noah-wens.de
Admin Email (rname)
postmaster@optiso-consult.de
Serial
2026031404
Refresh
21600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.first-ns.de
robotns2.second-ns.de
robotns3.second-ns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 ~all
- google-site-verification=eeRkZiHXV-0VQMdaxM5dlDmHipJoHuM00_xGz8m14kc
- google-site-verification=zDNr1F_nJTRIF4RiCo14spqjX3lGGwIJET3mOFWCo_4
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 optiso-consult.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits