Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smileeyes.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 04:22:28 UTC · ↺ Refresh
MX Hostnames
- smileeyes-de.mail.protection.outlook.com
MX Priorities
- smileeyes-de.mail.protection.outlook.com: 10
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.smileeyes.de hostmaster.smileeyes.de 2026032607 10800 3600 1209607 3600
Primary NS (mname)
dns1.smileeyes.de
Admin Email (rname)
hostmaster@smileeyes.de
Serial
2026032607
Refresh
10800s
Retry
3600s
Expire
1209607s
Minimum TTL
3600s
Nameservers (NS)
dns3.smileeyes.de
dns2.smileeyes.de
dns1.smileeyes.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:217.86.244.66 ip6:2a01:239:20d:a000::1/64 include:spf.emailsignatures365.com include:8724658.spf03.hubspotemail.net include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de include:ispgateway.de include:spf.rapidmail.de -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 392 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
7 records- SPFv=spf1 mx ip4:217.86.244.66 ip6:2a01:239:20d:a000::1/64 include:spf.emailsignatures365.com include:8724658.spf03.hubspotemail.net include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de include:ispgateway.de include:spf.rapidmail.de -all
- google-site-verification=_HTgiaP-N51fkKiRBupuhTgQs3EUqj3388tbeUl-8nE
- hibp-verify=dweb_m7m9smeexbcuv7fmjge4qei2
- MS=ms91627581
- apple-domain-verification=5270OqtHaI8ppuHs
- facebook-domain-verification=hc15g21blx3e1o1jyd0pm708qpltl7
- asv=c76bd4070cea4d91cce7a2eb228b84ae
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 smileeyes.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits