Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lightburn.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:14:33 UTC · ↺ Refresh
MX Hostnames
- lightburn-co.mail.protection.outlook.com
MX Priorities
- lightburn-co.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.12.10 (no PTR)
- 104.26.13.10 (no PTR)
- 172.67.70.82
- 2606:4700:20::681a:c0a
- 2606:4700:20::681a:d0a
- 2606:4700:20::ac43:4652
Mail Server IPs
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
kami.ns.cloudflare.com dns.cloudflare.com 2398418992 10000 2400 604800 1800
Primary NS (mname)
kami.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398418992
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kipp.ns.cloudflare.com
kami.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mtasv.net include:mailgun.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; adkim=r; aspf=r; pct=75
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
⚠ Policy applies to 75% of failing messages only
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
9 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.mtasv.net include:mailgun.org -all
- 0762B557DC
- 1password-site-verification=LKYBXW2C5RF3FENTHKJ277T2YE
- MS=ms70655984
- apple-domain-verification=5-BP03m8XWO5_ceCFOg6TmtqHz3haYiTCifo0gDfVck
- google-site-verification=vrS93ZxQhG2bvpzo72Ml4xFujC65EC_VDdryTZB-hlA
- klaviyo-site-verification=T2pX3m
- lightburn-website-prod-ncus.azurewebsites.net
- openai-domain-verification=dv-VbXdYpUsnOQZ8oRZvH84CkWw
Full email verification for lightburn.co
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