Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sdi.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 05:03:30 UTC · ↺ Refresh
MX Hostnames
- sdi-com.mail.protection.outlook.com
MX Priorities
- sdi-com.mail.protection.outlook.com: 5
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-63.awsdns-07.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-63.awsdns-07.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1398.awsdns-46.org
ns-2043.awsdns-63.co.uk
ns-627.awsdns-14.net
ns-63.awsdns-07.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:rnmk.com ip4:54.156.163.173 ip4:52.23.127.19 ip4:185.93.230.3 ip4:170.146.226.15 ip4:129.213.186.71 ip4:188.163.37.125 ip4:129.158.195.52 ip4:129.213.194.199 ip4:129.80.213.98 ip6:2603:1000::/24 include:19718220.spf10.hubspotemail.net include:amazonses.com include:rp.oracleemaildelivery.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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:rnmk.com ip4:54.156.163.173 ip4:52.23.127.19 ip4:185.93.230.3 ip4:170.146.226.15 ip4:129.213.186.71 ip4:188.163.37.125 ip4:129.158.195.52 ip4:129.213.194.199 ip4:129.80.213.98 ip6:2603:1000::/24 include:19718220.spf10.hubspotemail.net include:amazonses.com include:rp.oracleemaildelivery.com -all
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