Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mainstream-corp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 10:30:03 UTC · ↺ Refresh
MX Hostnames
- mainstreamcorp-com02e.mail.protection.outlook.com
MX Priorities
- mainstreamcorp-com02e.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.72.62 (no PTR)
- 104.26.13.122 (no PTR)
- 104.26.12.122
- 2606:4700:20::681a:d7a
- 2606:4700:20::681a:c7a
- 2606:4700:20::ac43:483e
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
dale.ns.cloudflare.com dns.cloudflare.com 2398986804 10000 2400 604800 1800
Primary NS (mname)
dale.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398986804
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dale.ns.cloudflare.com
molly.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zcsend.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.google.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
6 records- MS=ms89317390
- google-site-verification=tZ-uIiz9J02UndTmEwQ8xvEiMSTSwCdT2_Sl9yzIBnA
- google-site-verification=zmdedLQQLMVXJ2n4IyKSYaSTLvm1zXQXQopwY-vo0aM
- SPFv=spf1 include:zcsend.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.google.com ~all
- zoho-verification=zb15740954.zmverify.zoho.com
- MS=ms30865059
Full email verification for mainstream-corp.com
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