Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
skybest.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 21:59:50 UTC · ↺ Refresh
MX Hostnames
- mx.skybest.com
MX Priorities
- mx.skybest.com: 10
A / AAAA Records
- 13.216.58.6 ↩ ec2-13-216-58-6.compute-1.amazonaws.com
Mail Server IPs
- 64.35.208.51 ↩ skylineMX.ispn.net
SOA Record
Raw SOA
ns1.ispn.net servers.ispn.net 2026021700 3600 600 1209600 300
Primary NS (mname)
ns1.ispn.net
Admin Email (rname)
servers@ispn.net
Serial
2026021700
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns2.ispn.net
ns1.ispn.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:64.35.208.0/20 ip6:2607:5800::/32 ip4:206.82.219.177 include:spf.mandrillapp.com include:skyline.sendio.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 ip4:64.35.208.0/20 ip6:2607:5800::/32 ip4:206.82.219.177 include:spf.mandrillapp.com include:skyline.sendio.com -all
- google-site-verification=B0UrRrlrJ2zOHUX50h7QwsOtZJ-GIMnfC7-qD0kuAPE
- yahoo-verification-key=ct6B5PkZlE+H6q8oAeZ5haMjI6GdGMbSXipW54NYdu4=
- rros7iq66bnhi9ep5j7tae93e0
Full email verification for skybest.com
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