Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
harrisgroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:35:07 UTC · ↺ Refresh
MX Hostnames
- harrisgroup-com.mail.protection.outlook.com
MX Priorities
- harrisgroup-com.mail.protection.outlook.com: 10
A / AAAA Records
- 192.237.224.13 (no PTR)
Mail Server IPs
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-03.azure-dns.com hostmaster.harrisgroup.com 3338816761 3600 900 1555200 3600
Primary NS (mname)
ns1-03.azure-dns.com
Admin Email (rname)
hostmaster@harrisgroup.com
Serial
3338816761
Refresh
3600s
Retry
900s
Expire
1555200s
Minimum TTL
3600s
Nameservers (NS)
ns2-03.azure-dns.net
ns3-03.azure-dns.org
ns4-03.azure-dns.info
ns1-03.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sparkpostmail.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
3 records- MS=ms66899117
- SPFv=spf1 include:spf.protection.outlook.com include:sparkpostmail.com -all
- 5AFD-C4C2-4520-5F49-C3C2-072D-1E9F-C0D0
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