Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polestarplumbing.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 09:29:48 UTC · ↺ Refresh
MX Hostnames
- polestarplumbing.com.2.0001.arsmtp.com
- polestarplumbing.com.1.0001.arsmtp.com
MX Priorities
- polestarplumbing.com.2.0001.arsmtp.com: 20
- polestarplumbing.com.1.0001.arsmtp.com: 10
A / AAAA Records
- 209.17.116.163 (no PTR)
Mail Server IPs
- 8.19.118.192 ↩ server2031.appriver.com
- 8.31.233.135 ↩ server2030.appriver.com
SOA Record
Raw SOA
ns37.worldnic.com namehost.worldnic.com 125110302 10800 3600 604800 3600
Primary NS (mname)
ns37.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125110302
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns38.worldnic.com
ns37.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 include:spf.protection.outlook.com -all
- einejehjp5hm264jsiei4eo9j3
- MS=ms65921544
- google-site-verification=l0_nsG6PhyZOMco-K46VAWjJ1cVgGTAnmA1VHwCkQRQ
- google-site-verification=9_v0mtzZxgJKm1LoJQ0szzpMfq9UUrydF3UIDuVn1rY
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