Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
developapp.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-22 23:27:48 UTC · ↺ Refresh
MX Hostnames
- mx03.mi.com.co
- mx01.mi.com.co
MX Priorities
- mx03.mi.com.co: 5
- mx01.mi.com.co: 10
A / AAAA Records
- 66.45.233.38 ↩ orbit-3.globalhost1.com
Mail Server IPs
- 200.25.12.145 ↩ smtp-out-1013.mi.com.co
- 200.25.12.146 ↩ smtp-out-1014.mi.com.co
SOA Record
Raw SOA
nameserver01.mi.com.co hostmaster.developapp.co 2026090702 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@developapp.co
Serial
2026090702
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nameserver02.mi.com.co
nameserver01.mi.com.co
nameserver04.mi.com.co
nameserver03.mi.com.co
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.mi.com.co ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- atlassian-sending-domain-verification=eaabceb6-fb2f-4dab-a7be-78f679ebbf3b
- amazonses:7FxmzT1ULUL4wzOdtklSciEFIzKVGSlrJbHZTr8HQII=
- SPFv=spf1 include:_spf.mi.com.co ~all
- DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy5P5fLxW7c+2++R0VxyoRuLQZeyiJ+h4Lg3AFsFj6JEtnIhg7Orc5OVvi1GZzwVU1k1eEhCNiRNpCEymVARQ44wM8zpwbIVigl4nNvFosXvk2Txyq949h0CTXmnc4EIDLH+PQ8Ip9gGl47n1NDFOH0GuV38EnAQTfAXBqJ4mA+E2/OZkJc49N3hxRt9rQ8Cs1lrH+NMs3QFhN9
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 developapp.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits