Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hendersonengineers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 09:11:05 UTC · ↺ Refresh
MX Hostnames
- hendersonengineers-com.mail.protection.outlook.com
MX Priorities
- hendersonengineers-com.mail.protection.outlook.com: 5
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns11.constellix.com dns.constellix.com 2015010190 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010190
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:12.163.106.41 include:servers.mcsv.net include:spf.protection.outlook.com include:dayforcehcm.com include:spf.us.exclaimer.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=quarantine
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
11 records- miro-verification=aff028511c1277bc6ed1ccff6861c8ac6c5886a5
- anthropic-domain-verification-327f4c=5XDOFc1aL2I7raZ4JqOnPydQ5
- MS=ms20490488
- cisco-ci-domain-verification=307262ba16031774d2a41cec27b0b2d5638a43435f0ba24a1dfa3bc888c5b9a
- docusign=65373894-8b40-4425-93ca-09f939ae9f40
- docusign=7af13694-421f-48ce-893d-ed048c3dbc7f
- ph09VXSoRfazYrrdHX5aWjeuMCuvBm/kuOQGxHTRpE6DjsSI+7nURJMu899NAY1xDZSd1dcJx61OIYsfNb0/ig==
- SPFv=spf1 mx ip4:12.163.106.41 include:servers.mcsv.net include:spf.protection.outlook.com include:dayforcehcm.com include:spf.us.exclaimer.net -all
- apple-domain-verification=Rs0bkgtoEjVb0vLE
- dropbox-domain-verification=pu5k67dbt0vg
- 1fv1kbn12ccthvfo48tqfbng83
Full email verification for hendersonengineers.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits