Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sbsco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 11:12:19 UTC · ↺ Refresh
MX Hostnames
- sbsco-com.mail.protection.outlook.com
MX Priorities
- sbsco-com.mail.protection.outlook.com: 0
A / AAAA Records
- 216.146.46.11 ↩ redirector2.dynect.net
- 216.146.46.10 ↩ redirector1.dynect.net
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1529.awsdns-63.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1529.awsdns-63.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-101.awsdns-12.com
ns-1529.awsdns-63.org
ns-1701.awsdns-20.co.uk
ns-626.awsdns-14.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.antispamgateway.comodo.com ip4:38.125.83.145 ip4:50.249.75.198 ip4:35.128.4.222 ip4:38.122.182.114 ip4:96.83.118.209 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; pct=100; 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: 216 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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:_spf.antispamgateway.comodo.com ip4:38.125.83.145 ip4:50.249.75.198 ip4:35.128.4.222 ip4:38.122.182.114 ip4:96.83.118.209 -all
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