nanosystems.us

Valid Email Server
Domain Lookup › nanosystems.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nanosystems.us
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 21:36:43 UTC · ↺ Refresh

MX Hostnames

  • mail.nanosystems.us

MX Priorities

  • mail.nanosystems.us: 10

A / AAAA Records

  • 5.161.50.226 ↩ alfn.nanoservers.net

Mail Server IPs

  • 5.161.22.228 ↩ alfn.nanoservers.net
  • 5.161.50.226 ↩ alfn.nanoservers.net

SOA Record

Raw SOA ns10.nanoservers.net admin.nanoservers.net 2008010139 43200 3600 1209600 180
Primary NS (mname)
ns10.nanoservers.net
Admin Email (rname)
admin@nanoservers.net
Serial
2008010139
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns12.nanoservers.net
ns11.nanoservers.net
ns14.nanoservers.net
ns15.nanoservers.net
ns10.nanoservers.net
ns13.nanoservers.net

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:5.161.50.226 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 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

1 record
  • SPFv=spf1 +a +mx +ip4:5.161.50.226 ~all
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