Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
construccionespc.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 23:17:07 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx3.googlemail.com
- alt2.aspmx.l.google.com
MX Priorities
- aspmx3.googlemail.com: 30
- aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 20
- aspmx2.googlemail.com: 30
- alt1.aspmx.l.google.com: 20
A / AAAA Records
- 23.111.141.202 ↩ oxygen.redexpertos.com
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.179.26 ↩ pd-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)
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns1.redexpertos.com.co soporte.redexpertos.com 2026031301 3600 1800 1209600 86400
Primary NS (mname)
ns1.redexpertos.com.co
Admin Email (rname)
soporte@redexpertos.com
Serial
2026031301
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.redexpertos.com.co
ns2.redexpertos.com.co
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:23.111.141.202 +a +mx +ip4:104.156.59.86 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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 ip4:23.111.141.202 +a +mx +ip4:104.156.59.86 ~all
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