Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grupodycom.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 02:59:58 UTC · ↺ Refresh
MX Hostnames
- mx01.mi.com.co
- mx03.mi.com.co
MX Priorities
- mx03.mi.com.co: 5
- mx01.mi.com.co: 10
A / AAAA Records
- 199.34.228.42 ↩ pages-custom-2.weebly.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.grupodycom.co 2023100203 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@grupodycom.co
Serial
2023100203
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nameserver04.mi.com.co
nameserver03.mi.com.co
nameserver01.mi.com.co
nameserver02.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
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];pct=100;ruf=mailto:[email protected];fo=0:d:s;aspf=s;adkim=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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
2 records- DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7RyuDqej+FwQiv+k1l2LvY20J8ebYXJcbSZO8IVh7PjLxvyRDo4xVTmYYKP0Eh0i/wYM0fKag1NaJftFjxmQg5h1mN+N+kAmMrx4aqp5deutcBN5AJs7BINOJfLPgYElm3RuyiAXEUg/ZokkrZbTsBbaqCB8sx2R4eu2SkMkNR0erDcT1Eu+KrrBVTXevqAuSJ1VRAz2lQkvPZ
- SPFv=spf1 include:_spf.mi.com.co ~all
Full email verification for grupodycom.co
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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