Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sidur.gob.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 08:10:36 UTC · ↺ Refresh
MX Hostnames
- mail.sidur.gob.mx
MX Priorities
- mail.sidur.gob.mx: 10
A / AAAA Records
- 174.136.53.201 ↩ svgm362.serverneubox.com.mx
Mail Server IPs
- 174.136.53.201 ↩ svgm362.serverneubox.com.mx
SOA Record
Raw SOA
ns144.neubox.net root.svgm362.serverneubox.com.mx 2026022201 3600 1800 1209600 86400
Primary NS (mname)
ns144.neubox.net
Admin Email (rname)
root@svgm362.serverneubox.com.mx
Serial
2026022201
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns144.neubox.net
ns143.neubox.net
ns245.neubox.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:174.136.53.201 include:relay.mailchannels.net include:smtp.relay.serverneubox.com.mx -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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 +ip4:174.136.53.201 include:relay.mailchannels.net include:smtp.relay.serverneubox.com.mx -all
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