uspis.gov

Valid Email Server
Domain Lookup › uspis.gov

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
uspis.gov
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-19 10:58:17 UTC · ↺ Refresh

MX Hostnames

  • mxb-0038fd02.gslb.gpphosted.com
  • mxa-0038fd02.gslb.gpphosted.com

MX Priorities

  • mxa-0038fd02.gslb.gpphosted.com: 10
  • mxb-0038fd02.gslb.gpphosted.com: 10

A / AAAA Records

  • 56.0.142.65 ↩ ns-tst-iras.uspis.gov

Mail Server IPs

  • 66.159.227.37 ↩ mx0e-0038fd02.gpphosted.com

SOA Record

Raw SOA dns141.usps.com domainadmin.imail.usps.gov 796346587 3600 1800 1209600 1800
Primary NS (mname)
dns141.usps.com
Admin Email (rname)
domainadmin@imail.usps.gov
Serial
796346587
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
1800s

Nameservers (NS)

dns141.usps.com
dns082.usps.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:56.0.0.0/16 ip4:173.226.65.31 ip4:173.226.65.71 ip4:173.226.65.10 ip4:173.226.65.72 include:spf.protection.outlook.com include:usb._netblocks.mimecast.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • U0S4P86940
  • MS=ms50125998
  • _0ixaux7tdbfc85hihmk223p5jbckt6f
  • webexdomainverification.ERM0=3e6db4aa-e499-44dd-9fa9-72c3945f5791
  • 6EafDR6kAzGcviKHetWBFKq1NIUCTYmHHF7LOx0w0/D3Kw7HfaDF6/iEIhItBgCsXpcPHiwPcXgWh4FaFh+pLQ==
  • SPFv=spf1 ip4:56.0.0.0/16 ip4:173.226.65.31 ip4:173.226.65.71 ip4:173.226.65.10 ip4:173.226.65.72 include:spf.protection.outlook.com include:usb._netblocks.mimecast.com ~all
  • yy07vj6qjkysl4gcgmjwwq0d0x2207dk
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