Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
colegiobureche.edu.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-01 14:59:15 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 23.196.3.172
- 23.196.3.191
- 2600:141b:f000:36::1728:129f
- 2600:141b:f000:36::1728:1295
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 172.253.157.27 ↩ yubrupd-in-f27.1e100.net
- 2a00:1450:400c:c23::1b ↩ yubrupd-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
a1-46.akam.net hostmaster.colegiobureche.edu.co 2026042707 3600 600 604800 300
Primary NS (mname)
a1-46.akam.net
Admin Email (rname)
hostmaster@colegiobureche.edu.co
Serial
2026042707
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a28-67.akam.net
a5-64.akam.net
a1-46.akam.net
a10-67.akam.net
a9-66.akam.net
a24-65.akam.net
SPF Record
✓ Strict (-all)
v=spf1 include:44984975.spf01.hubspotemail.net include:_spf.google.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
5 records- 75dc4vn1l8k4km3mbu0qdslq5n
- bec41cdqqih2fvjj00b9541qkt
- google-site-verification=6AmjbnzWDf0_b_BEEfM3JBdFVcQe_H0wSdc5ivaw0us
- SPFv=spf1 include:44984975.spf01.hubspotemail.net include:_spf.google.com -all
- MS=ms37404666
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 · Customize →
See demo & docs
Deep verification
Full email verification for colegiobureche.edu.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits