Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
haroldbeck.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 06:14:07 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
No priority data.
A / AAAA Records
- 50.6.224.176
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns08.domaincontrol.com
ns07.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:usb._netblocks.mimecast.com include:_spf.getresponse.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=1; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._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
4 records- 0ed1fe018ae5cec85ab01a461094df6cad4341bd42
- SPFv=spf1 mx include:spf.protection.outlook.com include:usb._netblocks.mimecast.com include:_spf.getresponse.com -all
- openai-domain-verification=dv-0exUMg7ODBxHPMRAlopGhs9y
- MS=A9D8D53E122A66722E563BE004A880F6119DC4E6
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