Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cimsaconstructora.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 11:49:14 UTC · ↺ Refresh
MX Hostnames
- smtp.greatmail.com
MX Priorities
- smtp.greatmail.com: 0
A / AAAA Records
- 172.67.154.34 (no PTR)
- 104.21.4.144 (no PTR)
- 2606:4700:3037::ac43:9a22 (no PTR)
- 2606:4700:3036::6815:490 (no PTR)
Mail Server IPs
- 144.217.103.136 ↩ gm-mtl-vip2.mukmuk.org
SOA Record
Raw SOA
chase.ns.cloudflare.com dns.cloudflare.com 2398456124 10000 2400 604800 1800
Primary NS (mname)
chase.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398456124
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
perla.ns.cloudflare.com
chase.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:65.99.225.120 include:relay.mailchannels.net include:smtp.relay.serverneubox.com.mx ip4:174.136.52.214 ip4:198.59.144.25 ip4:65.99.252.207 +a +mx +include:spf.greatmail.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 ip4:65.99.225.120 include:relay.mailchannels.net include:smtp.relay.serverneubox.com.mx ip4:174.136.52.214 ip4:198.59.144.25 ip4:65.99.252.207 +a +mx +include:spf.greatmail.com -all
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