Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
securitysupport.com.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 06:05:58 UTC · ↺ Refresh
MX Hostnames
- gmail-smtp-in.l.google.com
- alt1.gmail-smtp-in.l.google.com
MX Priorities
- gmail-smtp-in.l.google.com: 1
- alt1.gmail-smtp-in.l.google.com: 1
A / AAAA Records
- 31.22.4.145 ↩ sv56.ifastnet5.org
Mail Server IPs
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns1.ifastnet5.org response.ifastnet.com 2025113001 3660 951 604810 952
Primary NS (mname)
ns1.ifastnet5.org
Admin Email (rname)
response@ifastnet.com
Serial
2025113001
Refresh
3660s
Retry
951s
Expire
604810s
Minimum TTL
952s
Nameservers (NS)
ns1.ifastnet5.org
ns2.ifastnet5.org
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:31.22.4.144 +ip4:82.163.176.18 +include:relay.mailchannels.net +ip4:82.163.176.67 +ip4:31.22.4.169 +ip4:31.22.4.145 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 +a +mx +ip4:31.22.4.144 +ip4:82.163.176.18 +include:relay.mailchannels.net +ip4:82.163.176.67 +ip4:31.22.4.169 +ip4:31.22.4.145 -all
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