Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colombobogota.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 05:01:04 UTC · ↺ Refresh
MX Hostnames
- colombobogota-edu-co.mail.protection.outlook.com
MX Priorities
- colombobogota-edu-co.mail.protection.outlook.com: 0
A / AAAA Records
- 18.164.116.40 ↩ server-18-164-116-40.jfk50.r.cloudfront.net
- 18.164.116.85 ↩ server-18-164-116-85.jfk50.r.cloudfront.net
- 18.164.116.100
- 18.164.116.60
- 2600:9000:2511:2e00:16:e88a:d640:93a1
- 2600:9000:2511:8400:16:e88a:d640:93a1
- 2600:9000:2511:7a00:16:e88a:d640:93a1
- 2600:9000:2511:4a00:16:e88a:d640:93a1
- 2600:9000:2511:f600:16:e88a:d640:93a1
- 2600:9000:2511:6600:16:e88a:d640:93a1
- 2600:9000:2511:4e00:16:e88a:d640:93a1
- 2600:9000:2511:f200:16:e88a:d640:93a1
Mail Server IPs
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
bryce.ns.cloudflare.com dns.cloudflare.com 2400126061 10000 2400 604800 1800
Primary NS (mname)
bryce.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400126061
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
bryce.ns.cloudflare.com
megan.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:185.56.86.0/24 include:spf.protection.outlook.com include:20928386.spf04.hubspotemail.net include:a._spf.brightspace.com include:_spf.google.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
7 records- sophos-domain-verification=5c3f6ac4d949e0cb79cd619e29b3ee7775555a60b8e8ac273d4329321d247864
- SPFv=spf1 ip4:185.56.86.0/24 include:spf.protection.outlook.com include:20928386.spf04.hubspotemail.net include:a._spf.brightspace.com include:_spf.google.com ~all
- MS=ms94890290
- _globalsign-domain-verification=TytsVS9VYr7t-5zqsUOsVr9Mg8_tYzHtsyxL4xYR5z
- anthropic-domain-verification-v02046=5Y0Ii4ibdOmsH7dF8azYlpN5Z
- default._domainkey 14400 IN TXT v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDVJeuzBWZYrpr49WZ1eM30XeDch+McPGSYVNIBTNqllWZ4mf+k2YsbtI0+wpUVAjxiQhPKxg80DM7V4CufEnO68QtYBqitef0x8d3RlPZuZkSz67VouPCQS77bVThH/WB/cVIpo1t3gIk0CjJENjYlu6z+ZJ21cA1e+UeiveAyywIDAQAB
- facebook-domain-verification=3hjgkxwbrmmuyvji4xztr7j6dwngss
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 colombobogota.edu.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits