Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mainstreethost.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 20:48:54 UTC · ↺ Refresh
MX Hostnames
- mainstreethost-com.mail.protection.outlook.com
MX Priorities
- mainstreethost-com.mail.protection.outlook.com: 10
A / AAAA Records
- 52.4.33.254 ↩ ec2-52-4-33-254.compute-1.amazonaws.com
Mail Server IPs
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-604.awsdns-11.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-604.awsdns-11.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-604.awsdns-11.net
ns-1207.awsdns-22.org
ns-1976.awsdns-55.co.uk
ns-210.awsdns-26.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com include:registrarmail.net include:252651.spf01.hubspotemail.net include:outbound.mainstreethost.com include:sendgrid.net -all
📊 DNS lookups: 6/10
✓ 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: 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- sAwqnD9e
- SPFv=spf1 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com include:registrarmail.net include:252651.spf01.hubspotemail.net include:outbound.mainstreethost.com include:sendgrid.net -all
- 4LJlBzznySHaIVI5bkflAie5qYDK1fAPHuPfjBLNUIhWeVDbVLWWIT5W3wVHGAG1xM8bX4DYENjY/gXkbZtJRA==
- MS=7F51E1DD0EE207392BBC8975712C14A04447940A
- apple-domain-verification=MTJSufRkmmGBmDqIHiPoA2oNoK4381ANuy_bTnYH0Jg
- apple-domain-verification=sfirvRweUJ8W5qKh
- google-site-verification=Y94eXqOCMRPXzV_Q30q2cC3o86etZN9Pti-Hybf6LFc
- google-site-verification=bAbCC8N6PoeA1ecuKRyysCA9OV1gBsoShncDwJQf-Nk
- google-site-verification=pXPLOpueZ_PIg4IyE0nfO6Lhc8bIqpyC380bl3iBBTY
- google-site-verification=v14mD2KKrQ0Ob_JktgtV0YQFKv-ym-X5BOtSjybx84U
- m8336psmgpfnnbmtahm9epcemp
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