Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nelsoncounty.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 14:19:03 UTC · ↺ Refresh
MX Hostnames
- spam.st1.helixsystems.com
- spam.st2.helixsystems.com
MX Priorities
- spam.st1.helixsystems.com: 10
- spam.st2.helixsystems.com: 20
A / AAAA Records
- 209.145.82.131 ↩ mail.nelsoncounty.org
Mail Server IPs
- 18.216.227.84 ↩ us2-smtp1.titanhq.com
- 3.140.150.54 ↩ us2-smtp3.titanhq.com
- 18.189.8.252 ↩ us2-smtp2.titanhq.com
SOA Record
Raw SOA
ns99.worldnic.com namehost\@worldnic.com 124082310 10800 3600 604800 3600
Primary NS (mname)
ns99.worldnic.com
Admin Email (rname)
namehost\@worldnic@com
Serial
124082310
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns100.worldnic.com
ns99.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:mailon.spamtitan.com ip4:209.145.82.131 include:spf.protection.outlook.com ip4:149.72.180.245 ip4:149.72.200.134 ip4:149.72.51.35 ip4:159.183.219.62 ip4:192.254.125.70 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ 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- include:_spf.psm.knowbe4.com
- MS=ms50157547
- SPFv=spf1 a:mailon.spamtitan.com ip4:209.145.82.131 include:spf.protection.outlook.com ip4:149.72.180.245 ip4:149.72.200.134 ip4:149.72.51.35 ip4:159.183.219.62 ip4:192.254.125.70 ~all
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