Domain Overview
DNS: ✓ 13h ago
Checker: ✓ 13h ago
sdpostacute.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 10:02:19 UTC · ↺ Refresh
MX Hostnames
- sdpostacute-com.mail.protection.outlook.com
MX Priorities
- sdpostacute-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.134.42 (no PTR)
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns21.domaincontrol.com dns.jomax.net 2026012600 86400 7200 3600000 86400
Primary NS (mname)
ns21.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012600
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns21.domaincontrol.com
ns22.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:4.154.241.194 ip4:4.155.54.14 ip4:4.155.113.8 ip4:64.79.134.232 ip4:162.210.179.210 ip4:104.37.223.138 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=0; pct=100
~ 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=EsE5EA8TT5SqSZ_LYlPeYGU0E3INCi8PS2foT8ZSrho
- 076E9280D7
- SPFv=spf1 mx ip4:4.154.241.194 ip4:4.155.54.14 ip4:4.155.113.8 ip4:64.79.134.232 ip4:162.210.179.210 ip4:104.37.223.138 include:spf.protection.outlook.com -all
Full email verification for sdpostacute.com
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