Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fasttrack.com.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 02:59:07 UTC · ↺ Refresh
MX Hostnames
- correo.fasttrack.com.co
MX Priorities
- correo.fasttrack.com.co: 10
A / AAAA Records
- 162.241.2.171 ↩ 162-241-2-171.unifiedlayer.com
Mail Server IPs
- 190.216.203.169 ↩ correo.fasttrack.com.co
SOA Record
Raw SOA
nameserver01.mi.com.co hostmaster.fasttrack.com.co 1775088000 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@fasttrack.com.co
Serial
1775088000
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nameserver01.mi.com.co
nameserver04.mi.com.co
nameserver03.mi.com.co
nameserver02.mi.com.co
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:190.216.139.84 ip4:190.217.28.10 ip4:190.216.203.169 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- tYBRsw7WUbq50z8ptlz6rKz3X5SHjVOML2XLQdYT+r4=
- SPFv=spf1 mx a ip4:190.216.139.84 ip4:190.217.28.10 ip4:190.216.203.169 -all
- EEa6rZzmDWaTgfD5ao4GSB3RtEVezrCDAibwacr2Z5M=
- XZ7rl6vNRJNIHl6lVyUDyfW2TbAM2ngw8SXB3sSsoG8=
- _globalsign-domain-verification=qSBe3FifrgekjcIcU_nrzg8IEsS7320CVUZH1Ro6ds
- 8vla454pf195ppmjk57t65mi6k
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