Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dspumpco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 11:12:54 UTC · ↺ Refresh
MX Hostnames
- dspumpco-com.mail.protection.outlook.com
MX Priorities
- dspumpco-com.mail.protection.outlook.com: 10
A / AAAA Records
- 144.202.55.205 ↩ 144.202.55.205.vultrusercontent.com
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
pns41.bigheadwebhost.com support.bigheadwebhost.com 2025052906 7200 1800 1209600 3600
Primary NS (mname)
pns41.bigheadwebhost.com
Admin Email (rname)
support@bigheadwebhost.com
Serial
2025052906
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
pns43.bigheadwebhost.com
pns44.bigheadwebhost.com
pns41.bigheadwebhost.com
pns42.bigheadwebhost.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:144.202.55.205 redirect=dspumpco.com.hosted.spf-report.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +a +mx +ip4:144.202.55.205 redirect=dspumpco.com.hosted.spf-report.com include:spf.protection.outlook.com -all
- MS=ms63394908
Full email verification for dspumpco.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits