Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grossdukenelson.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 09:09:02 UTC · ↺ Refresh
MX Hostnames
- grossdukenelson.com
MX Priorities
- grossdukenelson.com: 10
A / AAAA Records
- 66.181.36.68 ↩ grossdukenelson.com
Mail Server IPs
- 66.181.36.68 ↩ grossdukenelson.com
SOA Record
Raw SOA
ns1.dyna-ns.net hostmaster.grossdukenelson.com 2026012301 16384 2048 1209600 300
Primary NS (mname)
ns1.dyna-ns.net
Admin Email (rname)
hostmaster@grossdukenelson.com
Serial
2026012301
Refresh
16384s
Retry
2048s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns1.dyna-ns.net
ns2.dyna-ns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.181.36.68 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
selector1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:66.181.36.68 -all
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