Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
extrucol.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 02:22:02 UTC · ↺ Refresh
MX Hostnames
- extrucol-com.mail.protection.outlook.com
MX Priorities
- extrucol-com.mail.protection.outlook.com: 1
A / AAAA Records
- 149.56.155.131 ↩ m1.c12.g2.solusoftware.com
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.rrpproxy.net tech.rrpproxy.net 2026021100 10800 3600 604800 28800
Primary NS (mname)
ns1.rrpproxy.net
Admin Email (rname)
tech@rrpproxy.net
Serial
2026021100
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns2.rrpproxy.net
ns1.rrpproxy.net
ns3.rrpproxy.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms42604433
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