Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rtvc.gov.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 23:11:42 UTC · ↺ Refresh
MX Hostnames
- rtvc-gov-co.mail.protection.outlook.com
MX Priorities
- rtvc-gov-co.mail.protection.outlook.com: 0
A / AAAA Records
- 3.168.73.47 ↩ server-3-168-73-47.jfk50.r.cloudfront.net
- 3.168.73.9 ↩ server-3-168-73-9.jfk50.r.cloudfront.net
- 3.168.73.123
- 3.168.73.111
- 2600:9000:2801:400:3:eaa:eb80:93a1
- 2600:9000:2801:b000:3:eaa:eb80:93a1
- 2600:9000:2801:3400:3:eaa:eb80:93a1
- 2600:9000:2801:3200:3:eaa:eb80:93a1
- 2600:9000:2801:c200:3:eaa:eb80:93a1
- 2600:9000:2801:2400:3:eaa:eb80:93a1
- 2600:9000:2801:fc00:3:eaa:eb80:93a1
- 2600:9000:2801:a600:3:eaa:eb80:93a1
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1113.awsdns-11.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1113.awsdns-11.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-191.awsdns-23.com
ns-1951.awsdns-51.co.uk
ns-839.awsdns-40.net
ns-1113.awsdns-11.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.constantcontact.com include:spf1.amazon.com include:spf1.rtvc.gov.co include:spf2.rtvc.gov.co -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.constantcontact.com include:spf1.amazon.com include:spf1.rtvc.gov.co include:spf2.rtvc.gov.co -all
- cgo062CmKtzkoOAd6dWA385fL+NpAyIncODt01xkwHA=
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