Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
constructionclasses.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 21:11:39 UTC · ↺ Refresh
MX Hostnames
- constructionclasses-com.mail.protection.outlook.com
MX Priorities
- constructionclasses-com.mail.protection.outlook.com: 10
A / AAAA Records
- 35.212.102.200 ↩ 200.102.212.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.aplus.net hostmaster.aplus.net 2026031615 7200 86400 3600000 86400
Primary NS (mname)
ns1.aplus.net
Admin Email (rname)
hostmaster@aplus.net
Serial
2026031615
Refresh
7200s
Retry
86400s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.aplus.net
ns2.aplus.net
ns3.aplus.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx include:spf.protection.outlook.com include:constructionclasses.com.spf.auto.dnssmarthost.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- iContact35593
- google-site-verification=SFG4QPauqz6gARtd_PafG_-Kkk2qpzUMW_FD84ldgr0
- google-site-verification=j6UdbgWFAJ-uDP73DJaOMFnuTIIebGpk-g3TYXaHQkQ
- SPFv=spf1 +a +mx include:spf.protection.outlook.com include:constructionclasses.com.spf.auto.dnssmarthost.net -all
- MS=ms21649991
Full email verification for constructionclasses.com
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