Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
oneil.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 02:01:48 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
No priority data.
A / AAAA Records
- 151.101.2.159
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
udns2.ultradns.net
udns1.ultradns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:us._netblocks.mimecast.com include:servers.mcsv.net include:app.frevvo.com ip4:50.31.42.138 ip4:66.194.184.36 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- anthropic-domain-verification-4egnkh=Cf6sAwCSPRSrNmDS7af1XLBB3
- ssIApxnL3/qnAuVg560ewS9LuSem70JBi/Joj+8GaIpvzgMoqLgJOS1xZEDVk5SAXXwD8qVBpZeJF4GjTvkqGg==
- adobe-idp-site-verification=f47f12e586c5d969b292544fe93a7f34d3496d82ca36457bdb6a51baece0e62e
- SPFv=spf1 a mx include:us._netblocks.mimecast.com include:servers.mcsv.net include:app.frevvo.com ip4:50.31.42.138 ip4:66.194.184.36 ~all
- MS=ms52414556
- _m7eipqnctzfnbu0jop9ru8nzno4k1v9
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