Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aplusairconditioning.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 22:47:12 UTC · ↺ Refresh
MX Hostnames
- esa-st01.securesi.net
- esa-st02.securesi.net
MX Priorities
- esa-st02.securesi.net: 0
- esa-st01.securesi.net: 0
A / AAAA Records
- 104.21.77.101 (no PTR)
- 172.67.206.177 (no PTR)
- 2606:4700:3036::6815:4d65 (no PTR)
- 2606:4700:3035::ac43:ceb1 (no PTR)
Mail Server IPs
- 216.238.153.79 ↩ 216-238-153-79.static.gorack.net
- 216.238.153.78 (no PTR)
SOA Record
Raw SOA
amanda.ns.cloudflare.com dns.cloudflare.com 2399863678 10000 2400 604800 1800
Primary NS (mname)
amanda.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399863678
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
amit.ns.cloudflare.com
amanda.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms91778119
Full email verification for aplusairconditioning.com
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