Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seidor.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 06:13:53 UTC · ↺ Refresh
MX Hostnames
- seidor-com.mail.protection.outlook.com
MX Priorities
- seidor-com.mail.protection.outlook.com: 100
A / AAAA Records
- 51.124.243.168 (no PTR)
Mail Server IPs
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-01.azure-dns.com hostmaster.seidor.es 2014010333 1200 600 1296000 3600
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
hostmaster@seidor.es
Serial
2014010333
Refresh
1200s
Retry
600s
Expire
1296000s
Minimum TTL
3600s
Nameservers (NS)
ns4-01.azure-dns.info
ns1-01.azure-dns.com
ns2-01.azure-dns.net
ns3-01.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.EU.exclaimer.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- dtm-domain-verification=vAV1kfPP38_q9AYZ_XMHjcmHnXfcT_I62zI0nXOna88
- SPFv=spf1 mx include:spf.EU.exclaimer.net include:spf.protection.outlook.com -all
- google-site-verification=e07IAfYRA83Pm3PCvRTDy5t3fev5uJMHeLdi8FePXqM
- apple-domain-verification=ehxWbMYQ9ZNrAoRY
- cisco-ci-domain-verification=29cb51e41a0c260079bc3268866479c46c37cde6da9d898b295e670dd33e5583
Full email verification for seidor.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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