Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
skbuilders.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 05:52:52 UTC · ↺ Refresh
MX Hostnames
- prpt.drhorton.com
MX Priorities
- prpt.drhorton.com: 10
A / AAAA Records
- 96.45.82.252 ↩ redirection.dnsmadeeasy.com
- 96.45.83.14 ↩ redirection.dnsmadeeasy.com
- 96.45.83.217 ↩ redirection.dnsmadeeasy.com
- 96.45.82.106 ↩ redirection.dnsmadeeasy.com
Mail Server IPs
- 199.36.189.242 (no PTR)
- 199.36.189.241 (no PTR)
- 199.36.191.241 (no PTR)
- 199.36.191.242 (no PTR)
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009010110 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010110
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns25.digicertdns.net
ns23.digicertdns.net
ns21.digicertdns.com
ns20.digicertdns.com
ns22.digicertdns.com
ns24.digicertdns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:199.36.188.0/23 ip4:199.36.191.0/23 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:199.36.188.0/23 ip4:199.36.191.0/23 include:spf.protection.outlook.com -all
- MS=ms10814173
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