Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mms.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 05:12:28 UTC · ↺ Refresh
MX Hostnames
- mms-gov.mail.protection.outlook.com
MX Priorities
- mms-gov.mail.protection.outlook.com: 1
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
arnold.ns.cloudflare.com dns.cloudflare.com 2399254239 10000 2400 604800 1800
Primary NS (mname)
arnold.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399254239
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dawn.ns.cloudflare.com
arnold.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf.doi.gov include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- smartsheet-gov-site-validation=yE5Tl0Pmv-seSa7HOnM15qHZv55AbPdI
- SPFv=spf1 mx include:_spf.doi.gov include:spf.protection.outlook.com -all
- MS=ms33464433
- c3mzkn1wy97q7n7x4m5yk8cd6p3wm96d
Full email verification for mms.gov
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