Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cosmo.edu.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 23:37:34 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
- comfama.in.tmes.trendmicro.com
MX Priorities
- comfama.in.tmes.trendmicro.com: 1
- smtp.google.com: 2
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 18.208.22.78 ↩ in.tmes.trendmicro.com
- 18.208.22.77 ↩ in.tmes.trendmicro.com
- 18.208.22.79 ↩ in.tmes.trendmicro.com
- 18.208.22.80 ↩ in.tmes.trendmicro.com
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
- 2607:f8b0:4004:c1b::1b
- 2607:f8b0:4004:c1b::1a
- 2607:f8b0:4004:c17::1b
SOA Record
Raw SOA
ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-02.azure-dns.info
ns1-02.azure-dns.com
ns2-02.azure-dns.net
ns3-02.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.tmes.trendmicro.com include:spf.protection.outlook.com include:sendgrid.net include:_spf.google.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=1; 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]
DKIM Selectors
✓ 1 found
google._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
8 records- google-gws-recovery-domain-verification=51807388
- google-site-verification=aGxJJql4X3Cbo358NGqq8GnPqWC6IoAqkn4-LYISEIU
- google-site-verification=SEcoMtn1IkDlcRH1P8cQ2qEtwKp8ib2bYXlBlBTbAlM
- google-site-verification=moTFGObYzFdVeM4m7OT6PI3cHZpGlhwYtRntzfGA8HY
- MS=ms29745049
- SPFv=spf1 include:spf.tmes.trendmicro.com include:spf.protection.outlook.com include:sendgrid.net include:_spf.google.com -all
- tmes=5990c62ec23b76f78f703dc0e2ecadfd
- cisco-ci-domain-verification=fa75513b31b4d6b0903f9108c4676ec6deb3982754886ccbe1bb33bc394d892
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