block1912.com

Valid Email Server
Domain Lookup › block1912.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
block1912.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 19:01:15 UTC · ↺ Refresh

MX Hostnames

  • block1912-com.mail.protection.outlook.com

MX Priorities

  • block1912-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.185.159.145 (no PTR)
  • 198.49.23.144 (no PTR)
  • 198.49.23.145
  • 198.185.159.144

Mail Server IPs

  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com

SOA Record

Raw SOA ns15.domaincontrol.com dns.jomax.net 2023080700 28800 7200 604800 3600
Primary NS (mname)
ns15.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2023080700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns15.domaincontrol.com
ns16.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=axJc7PLqZfLqpJjs3iTL7RU1mFY48zszBTidfR68Ma4
  • NETORGFT14230888.onmicrosoft.com
  • NETORGFT2952469.onmicrosoft.com
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