Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
b4computers.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 13:12:27 UTC · ↺ Refresh
MX Hostnames
- b4computers.com
MX Priorities
- b4computers.com: 0
A / AAAA Records
- 192.185.88.157 ↩ 192-185-88-157.unifiedlayer.com
Mail Server IPs
- 192.185.88.157 ↩ 192-185-88-157.unifiedlayer.com
SOA Record
Raw SOA
ns1.b4computers.com dnsadmin.modelt.websitewelcome.com 2026012101 86400 7200 3600000 86400
Primary NS (mname)
ns1.b4computers.com
Admin Email (rname)
dnsadmin@modelt.websitewelcome.com
Serial
2026012101
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.b4computers.com
ns1.b4computers.com
SPF Record
✓ Strict (-all)
v=spf1 +mx +a +include:modelt.websitewelcome.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; sp=reject;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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- google-site-verification=JAasxLr4hLgZN9R_tnJpWydC_KFLUnyn5Xmmhwr1j98
- SPFv=spf1 +mx +a +include:modelt.websitewelcome.com -all
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