Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ecosteel.pt
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 20:59:47 UTC · ↺ Refresh
MX Hostnames
- ecosteel-pt.mail.protection.outlook.com
MX Priorities
- ecosteel-pt.mail.protection.outlook.com: 10
A / AAAA Records
- 213.186.33.5 ↩ redirect.ovh.net
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.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::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
dns105.ovh.net tech.ovh.net 2026031600 86400 3600 3600000 60
Primary NS (mname)
dns105.ovh.net
Admin Email (rname)
tech@ovh.net
Serial
2026031600
Refresh
86400s
Retry
3600s
Expire
3600000s
Minimum TTL
60s
Nameservers (NS)
dns105.ovh.net
ns105.ovh.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:93.108.239.14 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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- 4|https://www.otiima.com/
- google-site-verification=HsXKgC4FVySWFeJ6VB9CI7Ni3jpmv7NuMbhxrOmAbfc
- google-site-verification=8CSkfTCGLAnSfzI_BbseoqU8LS65nXEclWRRxQtgBGs
- MS=ms45727945
- SPFv=spf1 ip4:93.108.239.14 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
See demo & docs
Deep verification
Full email verification for ecosteel.pt
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits