Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
most-us.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 17:42:46 UTC · ↺ Refresh
MX Hostnames
- mostus-com01b.mail.protection.outlook.com
MX Priorities
- mostus-com01b.mail.protection.outlook.com: 0
A / AAAA Records
- 13.33.252.84 ↩ server-13-33-252-84.jfk50.r.cloudfront.net
- 13.33.252.45 ↩ server-13-33-252-45.jfk50.r.cloudfront.net
- 13.33.252.63
- 13.33.252.129
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1858.awsdns-40.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1858.awsdns-40.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1459.awsdns-54.org
ns-147.awsdns-18.com
ns-1858.awsdns-40.co.uk
ns-805.awsdns-36.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
5 records- SPFv=spf1 include:spf.protection.outlook.com -all
- atlassian-domain-verification=/Og6ESH/B9nCD7tVUes0SIbqLZDao3/IEItJIT9dc2pLOP02sMagfZQ2H2QGgaIK
- atlassian-domain-verification=quUIAxdZnfaGOndJl2mmmkYeaK0HmBZIazCbkYKUFOE6Uakl/9Hu6oF6ocgtvh2n
- google-site-verification=NX8Xmd5vUJsgzudnw6LIKvqft1tvU140rKwadbgWDcc
- google-site-verification=Nma_CcE4JMc6m6O_QoFaQ03DCUSP8WJC4Yftu6kMkZM
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