Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
russellshvac.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 07:46:37 UTC · ↺ Refresh
MX Hostnames
- mailstream-west.mxrecord.io
- mailstream-central.mxrecord.mx
- mailstream-east.mxrecord.io
MX Priorities
- mailstream-west.mxrecord.io: 10
- mailstream-central.mxrecord.mx: 15
- mailstream-east.mxrecord.io: 5
A / AAAA Records
- 172.67.143.98 (no PTR)
- 104.21.87.134 (no PTR)
- 2606:4700:3037::ac43:8f62 (no PTR)
- 2606:4700:3037::6815:5786 (no PTR)
Mail Server IPs
- 172.65.220.210 (no PTR)
- 172.65.64.78 (no PTR)
- 172.65.213.128 (no PTR)
SOA Record
Raw SOA
jakub.ns.cloudflare.com dns.cloudflare.com 2400127098 10000 2400 604800 1800
Primary NS (mname)
jakub.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400127098
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jakub.ns.cloudflare.com
thea.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:dispatch-us.ppe-hosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- knowbe4-site-verification=7e743e164110bd7e6c22966d019fd38e
- SPFv=spf1 a:dispatch-us.ppe-hosted.com ~all
- ADEFC02FCB
- NETORGFT7527001.onmicrosoft.com
- google-site-verification=49tv4EZu7UGaQSn3xCRoqfdL1LJpmKcGoOT1K-Chxus
- google-site-verification=4HZbL3Gwf5YO41yCZ5Nuh7g9BP7R6J7G59HCbuRMI6g
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