Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polifilm.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 23:54:43 UTC · ↺ Refresh
MX Hostnames
- polifilm-de.mail.protection.outlook.com
MX Priorities
- polifilm-de.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.40 ↩ 217-160-0-40.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1046.ui-dns.de hostmaster.1und1.de 2017072803 28800 7200 604800 300
Primary NS (mname)
ns1046.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017072803
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1046.ui-dns.com
ns1046.ui-dns.org
ns1046.ui-dns.de
ns1046.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 ip4:87.129.157.176/29 ip4:217.91.40.13 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
✓ 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
4 records- MS=ms13250632
- apple-domain-verification=FQlzjaFH1icN1yl4
- SPFv=spf1 ip4:87.129.157.176/29 ip4:217.91.40.13 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
- google-site-verification=lrQO4vfrdJTAbPW6l85zbEsCAVkrm6v8Q8sfxhqSaAI
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 polifilm.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits