Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blanderson.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 19:29:09 UTC · ↺ Refresh
MX Hostnames
- smtp1-mke.securence.com
- smtp1-msp.securence.com
MX Priorities
- smtp1-mke.securence.com: 20
- smtp1-msp.securence.com: 10
A / AAAA Records
- 104.21.73.234 (no PTR)
- 172.67.193.89 (no PTR)
- 2606:4700:3030::6815:49ea (no PTR)
- 2606:4700:3033::ac43:c159 (no PTR)
Mail Server IPs
- 216.17.3.48 ↩ smtp1.msp.securence.com
SOA Record
Raw SOA
karina.ns.cloudflare.com dns.cloudflare.com 2399146930 10000 2400 604800 1800
Primary NS (mname)
karina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399146930
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
karina.ns.cloudflare.com
will.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.securence.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.securence.com -all
- MS=ms42817547
- knowbe4-site-verification=9f592db77d2db9764a896651dbaadc04
Full email verification for blanderson.com
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