Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usmc-mccs.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 23:48:56 UTC · ↺ Refresh
MX Hostnames
- mccsusmc.mail.protection.office365.us
MX Priorities
- mccsusmc.mail.protection.office365.us: 0
A / AAAA Records
- 52.8.179.67 ↩ ec2-52-8-179-67.us-west-1.compute.amazonaws.com
Mail Server IPs
- 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
- 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.usmc-mccs.org smokoch.usmc-mccs.org 2026012600 10800 3600 604800 3600
Primary NS (mname)
ns1.usmc-mccs.org
Admin Email (rname)
smokoch@usmc-mccs.org
Serial
2026012600
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.usmc-mccs.org
ns2.usmc-mccs.org
ns3.usmc-mccs.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.office365.us include:_spf.mailgun.org include:sendgrid.net include:tmasys.com include:spf_s2.oraclecloud.com ip4:104.255.248.115 ip4:104.255.248.125 ip4:104.255.248.126 ip4:104.255.248.127 ip4:104.255.248.71 ip4:104.255.248.70 ip4:107.21.254.139 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
4 records- GpNQe8MPFABG3feUhB2Y5tzeplsOT9uxYpMyi773+9vO6bSpcNsykpHaEKJoSaPV/PgWPqlBfILAaHQp1vkSOQ==
- MS=ms86955860
- SPFv=spf1 include:spf.protection.office365.us include:_spf.mailgun.org include:sendgrid.net include:tmasys.com include:spf_s2.oraclecloud.com ip4:104.255.248.115 ip4:104.255.248.125 ip4:104.255.248.126 ip4:104.255.248.127 ip4:104.255.248.71 ip4:104.255.248.70 ip4:107.21.254.139 ~all
- atlassian-domain-verification=Jvk3SRJIaT6U4NEezcc6EI3TwLdyKFZa6969O/6frt0LJQEbuq5q07HOOqgBORTM
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