Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
taconstructioninc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 08:27:53 UTC · ↺ Refresh
MX Hostnames
- taconstructioninc-com.mail.protection.outlook.com
MX Priorities
- taconstructioninc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 64.26.30.143 (no PTR)
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
adns.cs.onr.siteprotect.com hostmaster.taconstructioninc.com 2024030902 172800 900 1209600 3600
Primary NS (mname)
adns.cs.onr.siteprotect.com
Admin Email (rname)
hostmaster@taconstructioninc.com
Serial
2024030902
Refresh
172800s
Retry
900s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
bdns.cs.siteprotect.com
adns.cs.siteprotect.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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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