Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
indumil.gov.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 14:00:19 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 2801:185::4e:494e:4455:4d49:4c11 (no PTR)
Mail Server IPs
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
SOA Record
Raw SOA
ns1-auth.etb.net.co postmaster.etb.net.co 2019155253 10800 3600 2419200 900
Primary NS (mname)
ns1-auth.etb.net.co
Admin Email (rname)
postmaster@etb.net.co
Serial
2019155253
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns1-auth.etb.net.co
ns2-auth.etb.net.co
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.tmes.trendmicro.com ip4:186.29.90.101 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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
4 records- tmes=2ec25cc0f9536fe2a8f76f133bce96a0
- SPFv=spf1 include:_spf.google.com include:spf.tmes.trendmicro.com ip4:186.29.90.101 ~all
- google-site-verification=2xnJQMKai7ImZZcoXjdVYEdkdn_7wgP7956LFH1b6AI
- google-site-verification=1BeZZa9AUkSUHa5TN_aYeDwoPmw6lIrdGAIbNLPXRnU
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 indumil.gov.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits