crystalinsurancegroup.net

Valid Email Server
Domain Lookup › crystalinsurancegroup.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
crystalinsurancegroup.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 01:36:53 UTC · ↺ Refresh

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MX Hostnames

  • mx1.mtaroutes.com
  • mx2.mtaroutes.com
  • mx3.mtaroutes.com
  • mx4.mtaroutes.com

MX Priorities

  • mx2.mtaroutes.com: 20
  • mx3.mtaroutes.com: 30
  • mx4.mtaroutes.com: 40
  • mx1.mtaroutes.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
  • 2001:550:2:61::2fc:100 (no PTR)
  • 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com

SOA Record

Raw SOA frank.ns.cloudflare.com dns.cloudflare.com 2399241853 10000 2400 604800 1800
Primary NS (mname)
frank.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399241853
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

serena.ns.cloudflare.com
frank.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.mtaroutes.com include:mailgun.org ip4:208.64.64.0/22 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=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: 216 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

1 record
  • SPFv=spf1 include:spf.mtaroutes.com include:mailgun.org ip4:208.64.64.0/22 include:spf.protection.outlook.com -all
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