Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rghenderson.on.ca
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 07:40:48 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 5
- us-smtp-inbound-2.mimecast.com: 5
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns01.brandshelter.com tech.brandshelter.com 2025091900 10800 3600 604800 300
Primary NS (mname)
ns01.brandshelter.com
Admin Email (rname)
tech@brandshelter.com
Serial
2025091900
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns2.ipmanagerinc.net
ns5.ipmanagerinc.net
ns4.ipmanagerinc.net
dns2.ipmanagerinc.net
dns1.ipmanagerinc.net
ns1.ipmanagerinc.net
dns3.ipmanagerinc.net
ns3.ipmanagerinc.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
9 records- MS=ms16985197
- MS=ms62909101
- atlassian-domain-verification=NO4W5baFTQ3USN0KA2YLuAjaLHeI7aD5U58a5qr4G2iWYlDl1dQMvtKyctbRrtE9
- klaviyo-site-verification=XRKGDq
- adobe-idp-site-verification=ebb44ca4b2a56d49b825f73e09e525af88877b963c900073c2b9084701c33cf9
- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:_spf.salesforce.com -all
- MS=ms50600800
- R5DXzVqY4ipaMddPmnNN6ZZDs1YIEm+HXDNeAaPzWpCo/sDiR4DT6FZmCBas9O3ePkJKxx0KFzSwDdJP96G/xg==
- cisco-ci-domain-verification=7879e924dccc34810509ef70dc64c05c9ee8b8fe84fb1278d017af9a761f6b2f
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