Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
previsora.gov.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 13:23:26 UTC · ↺ Refresh
MX Hostnames
- previsora-gov-co.mail.protection.outlook.com
MX Priorities
- previsora-gov-co.mail.protection.outlook.com: 0
A / AAAA Records
- 34.149.154.171 ↩ 171.154.149.34.bc.googleusercontent.com
- 2600:1901::c053:0:0:0:0 (no PTR)
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.telmexla.net.co internet.telmexla.net.co 2026031101 1200 7200 1209600 86400
Primary NS (mname)
ns3.telmexla.net.co
Admin Email (rname)
internet@telmexla.net.co
Serial
2026031101
Refresh
1200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.telmexla.net.co
ns2.telmexla.net.co
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:carvajalcomunicacion.com ip4:52.8.140.255 ip4:35.169.47.31 ip4:18.217.82.134 ip4:54.164.132.26 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- MS=ms24234867
- dcm4khrz5zv6hr9p32g5jjry8d45tb36
- CxG1WEnS3LN4dEFdwWZNY8pjZz+P592L1PpVIPKpfGylukWXv0eVw4mQCbAZL/YyB2DMwvt3mNg6yxnN3ERkcg==
- google-site-verification=PFp1qL-2Y8Nk058SFmFWUpR5UV_MOdYhXdjf64Try2M
- pexip-ms-tenant-domain-verification=value1,7fa7f7a6-d7ba-49ba-b72b-d16b75ffb152
- v=spf3 include:spf1.masivapp.com include:_spf.us.sendclean.net ~all
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:carvajalcomunicacion.com ip4:52.8.140.255 ip4:35.169.47.31 ip4:18.217.82.134 ip4:54.164.132.26 -all
- google-site-verification=Q9gQBWwwwTs9glZ11VR8v_CECVt8VYPQy6btSb7SJTU
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for previsora.gov.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits