Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
singularcom.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 18:18:33 UTC · ↺ Refresh
MX Hostnames
- mx2c76.carrierzone.com
- mx1c76.carrierzone.com
- mx3c76.carrierzone.com
- mx4c76.carrierzone.com
MX Priorities
- mx2c76.carrierzone.com: 100
- mx4c76.carrierzone.com: 120
- mx1c76.carrierzone.com: 10
- mx3c76.carrierzone.com: 110
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 69.49.115.74 ↩ mx2c76.carrierzone.com
- 69.49.115.76 ↩ mx4c76.carrierzone.com
- 69.49.115.73 ↩ mx1c76.carrierzone.com
- 69.49.115.75 ↩ mx3c76.carrierzone.com
SOA Record
Raw SOA
ns1.telmexla.net.co internet.telmexla.net.co 2023120902 1200 7200 1209600 300
Primary NS (mname)
ns1.telmexla.net.co
Admin Email (rname)
internet@telmexla.net.co
Serial
2023120902
Refresh
1200s
Retry
7200s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns1.telmexla.net.co
ns2.telmexla.net.co
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ip4:200.26.137.0/24 ip4:181.48.12.0/24 ip4:190.143.76.112/28 ip4:190.85.220.0/24 ip4:190.144.150.32/28 include:spfc76.carrierzone.com ~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
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:_spf.google.com ip4:200.26.137.0/24 ip4:181.48.12.0/24 ip4:190.143.76.112/28 ip4:190.85.220.0/24 ip4:190.144.150.32/28 include:spfc76.carrierzone.com ~all
- google-site-verification=zOGLSYxFSA0fTbjH8rAt_pTP_nw4Kq-5t_mMNg5pU9c
- MS=462FB781B12E666D6293F8E71F30245B72FB5A7A
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