Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
derryberrycf.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 19:23:12 UTC · ↺ Refresh
MX Hostnames
- post.tnweb.com
MX Priorities
- post.tnweb.com: 5
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 66.11.224.220 ↩ post.tnweb.com
SOA Record
Raw SOA
ns1.tnweb.com hostmaster.tnweb.com 2024120507 10800 3600 604800 38400
Primary NS (mname)
ns1.tnweb.com
Admin Email (rname)
hostmaster@tnweb.com
Serial
2024120507
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
ns2.tnweb.com
ns1.tnweb.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:mail.derryberrycf.com ip4:66.11.231.0/24 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx a:mail.derryberrycf.com ip4:66.11.231.0/24 ~all
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