Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
onvista.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 14:55:31 UTC · ↺ Refresh
MX Hostnames
- onvista-de.mail.protection.outlook.com
MX Priorities
- onvista-de.mail.protection.outlook.com: 0
A / AAAA Records
- 64.239.109.1 (no PTR)
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1611.awsdns-09.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1611.awsdns-09.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1299.awsdns-34.org
ns-1611.awsdns-09.co.uk
ns-363.awsdns-45.com
ns-1012.awsdns-62.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.117.67.154 include:_spf.salesforce.com include:spf.protection.outlook.com include:5236458.spf03.hubspotemail.net include:spf.strold.io -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected], mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=wY_J-B1AzR-Sax75Q9GetHIDjuf9AFbqdCCpux958PE
- google-site-verification=y626Or0J9mwK5FgfRBITgUS0YVHiEkQ8Qw9s_GhKy3A
- SPFv=spf1 ip4:212.117.67.154 include:_spf.salesforce.com include:spf.protection.outlook.com include:5236458.spf03.hubspotemail.net include:spf.strold.io -all
- MS=ms23006719
- ZOOM_verify_QWr9PlpiT6u4XRk0UgsOHg
- apple-domain-verification=7LQnUPvAPyW9cwzR
- atlassian-domain-verification=DqCeULjAbFxhNGI4cLr6K5DYDjlj1IdDvaKebA4tAWejua16XASLUaIBpiDMHjoT
- google-site-verification=nP4CBOX3LeTxvg1WvpwRQjFiLEba_u6uk5MaaVKesCQ
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 onvista.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits