Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dentalinsider.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:29:20 UTC · ↺ Refresh
MX Hostnames
- mx1.dentalinsider.com
MX Priorities
- mx1.dentalinsider.com: 1
A / AAAA Records
- 104.21.74.236 (no PTR)
- 172.67.164.161 (no PTR)
- 2606:4700:3034::6815:4aec (no PTR)
- 2606:4700:3037::ac43:a4a1 (no PTR)
Mail Server IPs
- 154.53.41.37 ↩ ip-37-41-53-154.static.contabo.net
SOA Record
Raw SOA
alex.ns.cloudflare.com dns.cloudflare.com 2396671808 10000 2400 604800 1800
Primary NS (mname)
alex.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396671808
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
alex.ns.cloudflare.com
rita.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:65.60.27.140 +a:ec2-52-55-187-225.compute-1.amazonaws.com +ip4:52.55.187.225 +ip4:52.21.14.230 +include:spf.mandrillapp.com +include:spf.mtasv.net include:mailgun.org include:mail.zendesk.com +include:servers.mcsv.net ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; rf=afrf; pct=100; ruf=mailto:[email protected]; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
default._domainkey
k1._domainkey
✓ Public key: 237 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
2 records- google-site-verification=d-CrgW-eszCVcNhA85jDi2-u9z-HhSyeoSy3cV1KC00
- SPFv=spf1 +a +mx +ip4:65.60.27.140 +a:ec2-52-55-187-225.compute-1.amazonaws.com +ip4:52.55.187.225 +ip4:52.21.14.230 +include:spf.mandrillapp.com +include:spf.mtasv.net include:mailgun.org include:mail.zendesk.com +include:servers.mcsv.net ~all
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