Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seidor.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 11:47:47 UTC · ↺ Refresh
MX Hostnames
- seidor-com-br.mail.protection.outlook.com
MX Priorities
- seidor-com-br.mail.protection.outlook.com: 100
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-04.azure-dns.com hostmaster.seidor.es 31 900 600 86400 3600
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
hostmaster@seidor.es
Serial
31
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns3-04.azure-dns.org
ns4-04.azure-dns.info
ns1-04.azure-dns.com
ns2-04.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:40.91.219.187 ip4:52.136.240.24 ip4:10.133.1.11 ip4:10.133.1.10 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
3 records- google-site-verification=QZMF-QW9XKznKVCrsd2dOTQ8KzcDiyIHb3KcZlR3JAk
- SPFv=spf1 mx ip4:40.91.219.187 ip4:52.136.240.24 ip4:10.133.1.11 ip4:10.133.1.10 include:spf.EU.exclaimer.net include:spf.protection.outlook.com -all
- pkbvjsq4wtb812s2p8xsjj730063mlqw
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