Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dalegreerdds.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 03:13:57 UTC · ↺ Refresh
MX Hostnames
- mx-01.tntsupport.net
MX Priorities
- mx-01.tntsupport.net: 10
A / AAAA Records
- 159.203.114.105 ↩ host-5.tntsupport.net
Mail Server IPs
- 8.40.242.176 ↩ mail-01.tntsupport.net
SOA Record
Raw SOA
ns.dalegreerdds.com alerts.13x5.com 1690073784 10800 3600 604800 10800
Primary NS (mname)
ns.dalegreerdds.com
Admin Email (rname)
alerts@13x5.com
Serial
1690073784
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns.dalegreerdds.com
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail-01.tntsupport.net -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: 5 chars (valid)
⚠ Public key too short (5 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a:mail-01.tntsupport.net -all
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