Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
corbellcpas.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 01:31:17 UTC · ↺ Refresh
MX Hostnames
- inbound30.exchangedefender.com
MX Priorities
- inbound30.exchangedefender.com: 0
A / AAAA Records
- 67.225.202.40 ↩ dds.ddservers12.net
Mail Server IPs
- 65.99.255.233 ↩ inbound.vfo.exchangedefender.com
- 65.99.255.128 ↩ xd3.exchangedefender.com
SOA Record
Raw SOA
dns101.register.com root.register.com 124010415 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
124010415
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns102.register.com
dns101.register.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:proxy.exchangedefender.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- MS=ms66420623
- SPFv=spf1 include:spf.protection.outlook.com include:proxy.exchangedefender.com -all
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