Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbheating.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 06:17:30 UTC · ↺ Refresh
MX Hostnames
- rbheating-com.mail.protection.outlook.com
MX Priorities
- rbheating-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.30.176 (no PTR)
- 172.67.173.124 (no PTR)
- 2606:4700:3037::ac43:ad7c
- 2606:4700:3033::6815:1eb0
Mail Server IPs
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
emely.ns.cloudflare.com dns.cloudflare.com 2398504685 10000 2400 604800 1800
Primary NS (mname)
emely.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398504685
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
hunts.ns.cloudflare.com
emely.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:_spf.google.com include:spf.protection.outlook.com ip4:104.198.132.159 ~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
✓ 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
4 records- google-site-verification=YLP8n17kq3FwNFcQJdE6wFhs4AxVdCouZYdRfXPunNA
- google-site-verification=eszLNVd9MC-vN0-L5UC4cvwWb03wXY_1shaZNmkVfjU
- SPFv=spf1 +a +mx include:_spf.google.com include:spf.protection.outlook.com ip4:104.198.132.159 ~all
- MS=ms27023832
Full email verification for rbheating.com
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