Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tutanota.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 02:12:40 UTC · ↺ Refresh
MX Hostnames
- neptune.sys.solar
MX Priorities
- neptune.sys.solar: 10
A / AAAA Records
- 157.245.8.251 ↩ neptune.sys.solar
Mail Server IPs
- 157.245.8.251 ↩ neptune.sys.solar
SOA Record
Raw SOA
ns1.digitalocean.com hostmaster.tutanota.co 1732158301 10800 3600 604800 1800
Primary NS (mname)
ns1.digitalocean.com
Admin Email (rname)
hostmaster@tutanota.co
Serial
1732158301
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns2.digitalocean.com
ns1.digitalocean.com
ns3.digitalocean.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 250 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- "v=spf1 a mx ip4:157.245.8.251 ~all"
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