Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rdmtaxservice.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 04:28:51 UTC · ↺ Refresh
MX Hostnames
- rdmtaxservice-com.mail.protection.outlook.com
MX Priorities
- rdmtaxservice-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.16.172.200 (no PTR)
- 199.16.173.181 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
kara.ns.cloudflare.com dns.cloudflare.com 2396895203 10000 2400 604800 1800
Primary NS (mname)
kara.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396895203
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kara.ns.cloudflare.com
norman.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:secureserver.net -al
📊 DNS lookups: 2/10
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 168 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 include:spf.protection.outlook.com include:secureserver.net -al
- MS=ms63678804
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