Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pte.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 07:31:52 UTC · ↺ Refresh
MX Hostnames
- pte-de.mail.protection.outlook.com
MX Priorities
- pte-de.mail.protection.outlook.com: 0
A / AAAA Records
- 188.40.42.9 ↩ v4849.timmehosting.de
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net florian\.jaecksch.jb-support.de 2025110301 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
florian\@jaecksch.jb-support.de
Serial
2025110301
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
b.ns14.net
d.ns14.net
a.ns14.net
c.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:agenturserver.de include:spf.sendinblue.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- Sendinblue-code:7c8983189cc186a7c5f2c48d59281e5e
- MS=ms44188549
- MS=38619A0A89BCA2E2B0446EC2101FD9F58E6705EB
- google-site-verification=CZ7PGqI8-4d5iXEtS-nIQLiuLUqkzAo8ABdLMbejcQo
- SPFv=spf1 a mx include:spf.protection.outlook.com include:agenturserver.de include:spf.sendinblue.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
See demo & docs
Deep verification
Full email verification for pte.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits