Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sprintout.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 16:34:28 UTC · ↺ Refresh
MX Hostnames
- sprintout-de.mail.protection.outlook.com
MX Priorities
- sprintout-de.mail.protection.outlook.com: 0
A / AAAA Records
- 78.47.171.214 ↩ sprintout.de
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026031703 14400 1800 604800 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026031703
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.168.1.115 include:spf.protection.outlook.com include:mail.zendesk.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;adkim=s;aspf=s;rua=mailto:[email protected];ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
3 records- google-site-verification=h_HxG6zqRZCfNBzeQw-GF2mvauLiV8OG6v2aEmSzZ54
- SPFv=spf1 ip4:192.168.1.115 include:spf.protection.outlook.com include:mail.zendesk.com include:spf-de.emailsignatures365.com -all
- MS=ms76152202
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 sprintout.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits