sibir.it

Valid Email Server
Domain Lookup › sibir.it

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sibir.it
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 10:33:10 UTC · ↺ Refresh

MX Hostnames

  • zimbra01.astranet.it

MX Priorities

  • zimbra01.astranet.it: 10

A / AAAA Records

  • 109.233.126.7 ↩ cp001.infinitynet.it

Mail Server IPs

  • 109.233.126.17 ↩ xg.infinitynet.it

SOA Record

Raw SOA ns.astranet.it ns2.astranet.it 2018090113 21600 3600 1209600 86400
Primary NS (mname)
ns.astranet.it
Admin Email (rname)
ns2@astranet.it
Serial
2018090113
Refresh
21600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.astranet.it
ns.astranet.it

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx ip4:109.233.126.0/26 ~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

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • google-site-verification=bg1WzBavEWDzOUAPq4e5S04ZdlBBeuo2WHrSZs11uzc
  • SPFv=spf1 +a +mx ip4:109.233.126.0/26 ~all
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