Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tfv.pt
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 01:46:26 UTC · ↺ Refresh
MX Hostnames
- tfv-pt.mail.protection.outlook.com
MX Priorities
- tfv-pt.mail.protection.outlook.com: 0
A / AAAA Records
- 185.158.133.1 (no PTR)
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.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::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.amenworld.com root.amen.fr 2026021909 86400 7200 2592000 300
Primary NS (mname)
ns1.amenworld.com
Admin Email (rname)
root@amen.fr
Serial
2026021909
Refresh
86400s
Retry
7200s
Expire
2592000s
Minimum TTL
300s
Nameservers (NS)
ns2.amenworld.com
ns1.amenworld.com
SPF Record
✓ Strict (-all)
v=spf1 include:tfv.ip-zone.com a mx include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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- v=spf2.0/pra include:tfv.ip-zone.com a mx include:spf.protection.outlook.com -all
- SPFv=spf1 include:tfv.ip-zone.com a mx include:spf.protection.outlook.com -all
- SPFv=spf1 include:spf.zoho.eu include:eu.transmail.net include:spf.zohomail360.eu ~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 tfv.pt
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits