Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
petbacker.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 12:42:17 UTC · ↺ Refresh
MX Hostnames
- mail.petbacker.com
MX Priorities
- mail.petbacker.com: 0
A / AAAA Records
- 104.21.65.36 (no PTR)
- 172.67.188.193 (no PTR)
- 2606:4700:3036::6815:4124 (no PTR)
- 2606:4700:3031::ac43:bcc1 (no PTR)
Mail Server IPs
- 103.27.73.160 ↩ polaris2.sfdns.net
SOA Record
Raw SOA
coco.ns.cloudflare.com dns.cloudflare.com 2396522672 10000 2400 604800 1800
Primary NS (mname)
coco.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396522672
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
coco.ns.cloudflare.com
dan.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:103.27.73.160 +include:spf.sfdns.net +include:_spf.elasticemail.com +include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms36642747
- google-site-verification=88_LFwnUX-NceF0Npb7X2ntc7Vl4FO9OSWa02buunxk
- google-site-verification=WPsEcQcOo5LeOYKnAzuzg0Pncdw9zL8D7pSC7WZ7f-8
- SPFv=spf1 +a +mx +ip4:103.27.73.160 +include:spf.sfdns.net +include:_spf.elasticemail.com +include:spf.protection.outlook.com -all
Full email verification for petbacker.com
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