Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
poliartcr.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 09:38:32 UTC · ↺ Refresh
MX Hostnames
- poliartcr-com.p40.mxthunder.net
- poliartcr-com.p10.mxthunder.com
- poliartcr-com.p20.mxthunder.net
- poliartcr-com.p30.mxthunder.net
MX Priorities
- poliartcr-com.p40.mxthunder.net: 40
- poliartcr-com.p10.mxthunder.com: 10
- poliartcr-com.p20.mxthunder.net: 20
- poliartcr-com.p30.mxthunder.net: 30
A / AAAA Records
- 179.48.251.209 ↩ ns9.admintekcr.net
Mail Server IPs
- 216.172.106.23 ↩ bolt106a.mxthunder.net
- 209.41.68.130 ↩ bolt106b.mxthunder.net
SOA Record
Raw SOA
ns.admintekcr.net hostmaster.admintekcr.net 2026032602 3600 1800 1209600 86400
Primary NS (mname)
ns.admintekcr.net
Admin Email (rname)
hostmaster@admintekcr.net
Serial
2026032602
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns.admintekcr.net
ns2.admintekcr.net
ns1.admintekcr.net
SPF Record
✓ Strict (-all)
v=spf1 +mx +a +ip4:186.177.95.58 +ip4:179.48.251.209 +include:spf.protection.outlook.com +include:spf.mxthunder.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=21600;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
3 records- MS=ms45219113
- MS=ms33153070
- SPFv=spf1 +mx +a +ip4:186.177.95.58 +ip4:179.48.251.209 +include:spf.protection.outlook.com +include:spf.mxthunder.com -all
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