Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dolphinnet.net
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 06:55:10 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 104.21.36.12 (no PTR)
- 172.67.183.13 (no PTR)
- 2606:4700:3033::6815:240c (no PTR)
- 2606:4700:3034::ac43:b70d (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
jasmine.ns.cloudflare.com dns.cloudflare.com 2398187617 10000 2400 604800 1800
Primary NS (mname)
jasmine.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398187617
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jasmine.ns.cloudflare.com
zeus.ns.cloudflare.com
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 -all
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