Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lumosinc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 06:24:37 UTC · ↺ Refresh
MX Hostnames
- mx-01-us-east-2.prod.hydra.sophos.com
- mx-02-us-east-2.prod.hydra.sophos.com
MX Priorities
- mx-02-us-east-2.prod.hydra.sophos.com: 10
- mx-01-us-east-2.prod.hydra.sophos.com: 0
A / AAAA Records
- 23.185.0.3 (no PTR)
- 2620:12a:8001::3 (no PTR)
- 2620:12a:8000::3 (no PTR)
Mail Server IPs
- 18.189.107.171 ↩ ec2-18-189-107-171.us-east-2.compute.amazonaws.com
- 3.138.43.149 ↩ ec2-3-138-43-149.us-east-2.compute.amazonaws.com
- 18.118.219.4 ↩ ec2-18-118-219-4.us-east-2.compute.amazonaws.com
SOA Record
Raw SOA
newt.ns.cloudflare.com dns.cloudflare.com 2397934537 10000 2400 604800 1800
Primary NS (mname)
newt.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397934537
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
newt.ns.cloudflare.com
phoenix.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_u.lumosinc.com._spf.smart.ondmarc.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
6 records- SPFv=spf1 include:_u.lumosinc.com._spf.smart.ondmarc.com -all
- MS=ms66916082
- ecomkb2ur5m39fokaju29qijun
- fireflies-verification=fbFILqQmGn.ffverify.fireflies.ai-request-verification=2024-10-30T20:30:52.428Z
- have-i-been-pwned-verification=86e1414597b124e15dbd4c1daa34a52c
- sophos-domain-verification=b118fe3ee072b5059fb11bf061ba227262310e16
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