Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sdb.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 16:38:21 UTC · ↺ Refresh
MX Hostnames
- sdb-com.mail.protection.outlook.com
MX Priorities
- sdb-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.215.90.90 ↩ 90.90.215.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-2013.awsdns-59.co.uk awsdns-hostmaster.amazon.com 2025090301 7200 900 1209600 86400
Primary NS (mname)
ns-2013.awsdns-59.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2025090301
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-327.awsdns-40.com
ns-929.awsdns-52.net
ns-1310.awsdns-35.org
ns-2013.awsdns-59.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.US.exclaimer.net include:spf-westus.emailsignatures365.com ip4:208.44.182.114 ip4:184.56.86.130 ip4:208.44.182.117 ip4:185.56.86.130 ip4:68.14.212.226 ip4:191.237.4.149 ip4:198.175.113.135 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._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
7 records- MS=C42DEFE418C097DA52C7B3C4B8FD067B96545262
- MS=ms22465467
- Sendinblue-code:6a3824fd52773ceddd413546da8ce8b6
- airtable-verification=357a3e458e9f972e5e01e2732a402637
- apple-domain-verification=BPtZbAr9EmqsFNVP
- google-site-verification=D149BJQissv7jbq0uS6vh6Q68zPfpuGNlS5SMZQkPlQ
- SPFv=spf1 include:spf.protection.outlook.com include:spf.US.exclaimer.net include:spf-westus.emailsignatures365.com ip4:208.44.182.114 ip4:184.56.86.130 ip4:208.44.182.117 ip4:185.56.86.130 ip4:68.14.212.226 ip4:191.237.4.149 ip4:198.175.113.135 -all
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