Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polyfibers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 12:14:54 UTC · ↺ Refresh
MX Hostnames
- polyfibers-com.mail.protection.outlook.com
MX Priorities
- polyfibers-com.mail.protection.outlook.com: 10
A / AAAA Records
- 94.73.147.38 ↩ 94-73-147-38.cizgi.net.tr
Mail Server IPs
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.natrohost.com hostmaster.polyfibers.com 2026020201 10800 3600 777600 3600
Primary NS (mname)
ns1.natrohost.com
Admin Email (rname)
hostmaster@polyfibers.com
Serial
2026020201
Refresh
10800s
Retry
3600s
Expire
777600s
Minimum TTL
3600s
Nameservers (NS)
ns1.natrohost.com
ns2.natrohost.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spfcls.natrohost.com include:_netblockshalon.natrohost.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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- SPFv=spf1 include:_spfcls.natrohost.com include:_netblockshalon.natrohost.com ~all
- SPFv=spf1 include:spf.protection.outlook.com -all
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