Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
petraheat.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 06:00:32 UTC · ↺ Refresh
MX Hostnames
- petraheat-com.mx2.arsmtp.com
- petraheat-com.mx1.arsmtp.com
MX Priorities
- petraheat-com.mx1.arsmtp.com: 10
- petraheat-com.mx2.arsmtp.com: 20
A / AAAA Records
- 162.159.134.42 (no PTR)
Mail Server IPs
- 8.31.233.90 ↩ server256.appriver.com
- 8.19.118.180 ↩ server257.appriver.com
SOA Record
Raw SOA
hugh.ns.cloudflare.com dns.cloudflare.com 2397198502 10000 2400 604800 1800
Primary NS (mname)
hugh.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397198502
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ivy.ns.cloudflare.com
hugh.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;
⚠ 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: 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- sophos-domain-verification=6c9b4eb474dc037026fcf68e3df18cdca89ff95d6a6db4e56d9bfd96f3a5b2d4
- SPFv=spf1 include:spf.protection.outlook.com -all
- apple-domain-verification=VJi9FAPkv6yhGvZM
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