Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spbhs.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 18:58:54 UTC · ↺ Refresh
MX Hostnames
- spbhs-org.p30.mxthunder.net
- spbhs-org.p20.mxthunder.net
- spbhs-org.p10.mxthunder.com
- spbhs-org.p40.mxthunder.net
MX Priorities
- spbhs-org.p10.mxthunder.com: 10
- spbhs-org.p40.mxthunder.net: 40
- spbhs-org.p30.mxthunder.net: 30
- spbhs-org.p20.mxthunder.net: 20
A / AAAA Records
- 45.33.46.156 ↩ li996-156.members.linode.com
Mail Server IPs
- 209.41.68.240 ↩ bolt101b.mxthunder.net
- 108.166.161.243 ↩ bolt101a.mxthunder.net
SOA Record
Raw SOA
ns1.linode.com dallen.spbhs.org 2021000029 14400 14400 1209600 3600
Primary NS (mname)
ns1.linode.com
Admin Email (rname)
dallen@spbhs.org
Serial
2021000029
Refresh
14400s
Retry
14400s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns4.linode.com
ns5.linode.com
ns1.linode.com
ns3.linode.com
ns2.linode.com
SPF Record
✓ Strict (-all)
v=spf1 a:legacy.spbhs.org include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
5 records- google-site-verification=vRS7gP6O70wlpvuf77BkgeHPSCY3ztVZ1yCArHzBc1I
- blt57ktf9tqrl180rjq59k90n1ptkw6s
- SPFv=spf1 a:legacy.spbhs.org include:spf.protection.outlook.com -all
- MS=ms56040778
- Data: ppe-c49cfdbe35f658faf9692f024afbf11180dfb635
Full email verification for spbhs.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits