Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
napfcheck.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 04:20:09 UTC · ↺ Refresh
MX Hostnames
- napfcheck-de.mail.protection.outlook.com
MX Priorities
- napfcheck-de.mail.protection.outlook.com: 0
A / AAAA Records
- 85.214.173.61 ↩ napfcheck.de
Mail Server IPs
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net nic.infoline-computer.com 2025012103 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
nic@infoline-computer.com
Serial
2025012103
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
b.ns14.net
a.ns14.net
d.ns14.net
c.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:85.214.173.61 ip4:212.132.71.213 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; 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
default._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
8 records- keybase-site-verification=fW5QJ2dgyCyAWcfPMjz5hRGR6GiEr36K-Rx1cyr07Ug
- SPFv=spf1 mx a ip4:85.214.173.61 ip4:212.132.71.213 include:spf.protection.outlook.com -all
- MS=ms60208461
- ahrefs-site-verification_37a83eef7b7ca3c57979ff8c459f94708f2c248ff99b1d40fa2eef7a6b5e872f
- google-site-verification=JOQWzsQ26YlIYERj4lhrgaiZiPr84rCfmaiehBoGmEI
- seobility=a7ac96620dfa431c2869d9268cd4613d
- pinterest-site-verification=db2ae2431b8b2bbf6eaac19d29a79c82
- google-site-verification=JBgF6PDnDMQNcnJhdQ9O9GgB1GkE2DqGf-n8k0cncXQ
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 napfcheck.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits