Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
constantin-film.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:25:35 UTC · ↺ Refresh
MX Hostnames
- constantinfilm-de02e.mail.protection.outlook.com
MX Priorities
- constantinfilm-de02e.mail.protection.outlook.com: 0
A / AAAA Records
- 5.75.148.11 ↩ static.11.148.75.5.clients.your-server.de
- 2a01:4f8:1c1e:eba0::1 (no PTR)
Mail Server IPs
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.buschglatz.net hostmaster.constantin-film.de 2023021401 10800 3600 1209600 86400
Primary NS (mname)
dns.buschglatz.net
Admin Email (rname)
hostmaster@constantin-film.de
Serial
2023021401
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns.buschglatz.net
dns.noris.net
dns.noris.ch
dns.noris.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=gCJFWsmf9uTgBTe8vT19FPFjpZZr4VQX4cKl5p8w1A4
- MS=ms66675993
- SPFv=spf1 include:spf.protection.outlook.com -all
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 · Customize →
See demo & docs
Deep verification
Full email verification for constantin-film.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits