Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
appsfinancial.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 23:30:52 UTC · ↺ Refresh
MX Hostnames
- mail1.redtailtechnology.com
MX Priorities
- mail1.redtailtechnology.com: 10
A / AAAA Records
- 162.159.130.79 (no PTR)
- 162.159.129.79 (no PTR)
Mail Server IPs
- 4.17.237.44 (no PTR)
SOA Record
Raw SOA
edns2.ultradns.com premiumdns.support.neustar 2019082617 3600 1800 604800 3600
Primary NS (mname)
edns2.ultradns.com
Admin Email (rname)
premiumdns@support.neustar
Serial
2019082617
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
edns2.ultradns.biz
edns2.ultradns.com
edns2.ultradns.net
edns2.ultradns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.redtailtechnology.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
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.redtailtechnology.com -all
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