Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
semca.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 17:58:29 UTC · ↺ Refresh
MX Hostnames
- mx2-us1.ppe-hosted.com
- mx1-us1.ppe-hosted.com
MX Priorities
- mx1-us1.ppe-hosted.com: 10
- mx2-us1.ppe-hosted.com: 20
A / AAAA Records
- 34.174.145.236 ↩ 236.145.174.34.bc.googleusercontent.com
Mail Server IPs
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
SOA Record
Raw SOA
ns57.worldnic.com namehost.worldnic.com 125121110 10800 3600 604800 3600
Primary NS (mname)
ns57.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121110
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns58.worldnic.com
ns57.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:_u.semca.org._spf.smart.ondmarc.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=s; fo=1; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
9 records- apple-domain-verification=rrrqbk2J8Q4NROJx
- MS=ms29677653
- MS=B8602BC73AF5E5EB50A3C82B9F9E890D47D841CC
- LTvC6/baMFd73FGdA2JX1aP3gfzN+HlAsP2FY+Ff8j4=
- BXv/WFhOvUxrY2D7cflI1sT1WSZBUg0emPqMooFi4/vzDzhLLsEHKTMkFVuTf7a83AribIda/cmFa0wGS/Rgzw==
- SPFv=spf1 include:_u.semca.org._spf.smart.ondmarc.com -all
- ppe-99a354b1ed4213480697baaf41064230d7a6e440
- docusign=9057a11d-6d71-4091-9711-510d8d6c33ac
- gvwSTFOGuO0BJdcACpBJl+of/pnSk8NyQ34yzSPlTGo=
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