Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
precisionplumbing.net
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 00:34:19 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 169.55.63.196 ↩ c4.3f.37a9.ip4.static.sl-reverse.com
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns1-05.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1-05.azure-dns.com
ns2-05.azure-dns.net
ns3-05.azure-dns.org
ns4-05.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 mx:precisionplumbing-net.mail.protection.outlook.com ip4:174.108.240.10 ip4:172.200.60.219 ip4:18.210.60.19 ip4:54.172.168.5 include:spf_all.comfortsystemsusa.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
8 records- SPFv=spf1 mx:precisionplumbing-net.mail.protection.outlook.com ip4:174.108.240.10 ip4:172.200.60.219 ip4:18.210.60.19 ip4:54.172.168.5 include:spf_all.comfortsystemsusa.com -all
- dmlld3BvaW50X2F6dXJlX2NvbW1vbg==
- 861omsm7fgmgkds2mu2ugc0969
- 0ed1fe018ae0a585206ffe408b8cffbcec3ca85610
- MS=ms85286865
- openai-domain-verification=dv-W17FWdx3Qq3oqqlmsfylHlAJ
- YXp1cmVfY29tbW9u
- smartsheet-site-validation=tE6kyN3L52Uyt09cTy2eTvbBIeqArqnj
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