Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rainbow.coop
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 04:32:23 UTC · ↺ Refresh
MX Hostnames
- rainbow-coop.mail.protection.outlook.com
MX Priorities
- rainbow-coop.mail.protection.outlook.com: 10
A / AAAA Records
- 104.26.15.120 (no PTR)
- 172.67.68.227 (no PTR)
- 104.26.14.120
Mail Server IPs
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
justin.ns.cloudflare.com dns.cloudflare.com 2398509669 10000 2400 604800 1800
Primary NS (mname)
justin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398509669
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ruth.ns.cloudflare.com
justin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +ip4:216.194.162.240 +include:relay.mailchannels.net +include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 7 found
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._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
4 records- SPFv=spf1 +ip4:216.194.162.240 +include:relay.mailchannels.net +include:spf.protection.outlook.com -all
- MS=ms79582717
- apple-domain-verification=Jc5Xg5QhujktVtpt
- brevo-code:2d81b3e231c6d6371ca6c830caf340dd
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