Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jupiterhotels.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 04:19:31 UTC · ↺ Refresh
MX Hostnames
- jupiterhotels-co-uk.mail.protection.outlook.com
MX Priorities
- jupiterhotels-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 35.246.8.136 ↩ 136.8.246.35.bc.googleusercontent.com
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ns-1256.awsdns-29.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1256.awsdns-29.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-454.awsdns-56.com
ns-552.awsdns-05.net
ns-1256.awsdns-29.org
ns-1898.awsdns-45.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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 include:spf.protection.outlook.com -all
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