Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colosseumdental.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 08:34:23 UTC · ↺ Refresh
MX Hostnames
- colosseumdental-de.mail.protection.outlook.com
MX Priorities
- colosseumdental-de.mail.protection.outlook.com: 0
A / AAAA Records
- 193.53.251.225 ↩ r33592.agenturserver.it
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net do-not-reply.colosseumdental.de 2025081600 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@colosseumdental.de
Serial
2025081600
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
d.ns14.net
c.ns14.net
b.ns14.net
a.ns14.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:agenturserver.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
5 records- Yp9GreiuqY/fWNqiTQMprRHUnR/O+1YgQuKx+MCwMmj+Fwi3aeJouAeg52yfYzZWy82JvTae0p5/kbMHAQ3qTw==
- domainVerification=8421785a-1697-4893-ac1d-c514fa4b4bfc
- MS=ms80892418
- SPFv=spf1 include:agenturserver.de include:spf.protection.outlook.com ~all
- logmein-verification-code=fd9ce2f2-4d24-4183-b1a4-2f9b8a704697
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 colosseumdental.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits