Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
towerconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 08:43:00 UTC · ↺ Refresh
MX Hostnames
- towerconstruction-com.mail.protection.outlook.com
MX Priorities
- towerconstruction-com.mail.protection.outlook.com: 10
A / AAAA Records
- 50.62.194.59 ↩ 59.194.62.50.host.secureserver.net
Mail Server IPs
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns99.worldnic.com namehost.worldnic.com 124061708 10800 3600 604800 3600
Primary NS (mname)
ns99.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
124061708
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns100.worldnic.com
ns99.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
3 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms55298420
- 81c1fg8kc710gt7em6l3tm6lbk
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