Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
re.green
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 22:51:31 UTC · ↺ Refresh
MX Hostnames
- re-green.mail.protection.outlook.com
MX Priorities
- re-green.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.128.133 (no PTR)
- 104.21.1.45 (no PTR)
- 2606:4700:3033::ac43:8085
- 2606:4700:3037::6815:12d
Mail Server IPs
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
SOA Record
Raw SOA
anderson.ns.cloudflare.com dns.cloudflare.com 2399355101 10000 2400 604800 1800
Primary NS (mname)
anderson.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399355101
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
christina.ns.cloudflare.com
anderson.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:sendgrid.net include:spf.protection.outlook.com include:45378627.spf03.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
3 records- tnmjfl0cgccw0zl64z0yjlz5k90n91b3
- SPFv=spf1 include:sendgrid.net include:spf.protection.outlook.com include:45378627.spf03.hubspotemail.net -all
- MS=ms65113304
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