Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
nag.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 02:17:41 UTC · ↺ Refresh
MX Hostnames
- nag-com-co.mail.protection.outlook.com
MX Priorities
- nag-com-co.mail.protection.outlook.com: 0
A / AAAA Records
- 190.8.176.45 (no PTR)
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.colombiahosting.com sysadmin.colombiahosting.com.co 2026052100 3600 1800 1209600 86400
Primary NS (mname)
ns1.colombiahosting.com
Admin Email (rname)
sysadmin@colombiahosting.com.co
Serial
2026052100
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns4.colombiahosting.com
ns2.colombiahosting.com
ns1.colombiahosting.com
ns3.colombiahosting.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:190.8.176.19 +ip4:190.8.176.45 +include:_spf.colhost.com +include:md02.com +include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=dSn6cUwkKO1DhfMNwbmykQpFg64C3H-M5MYrAZKSZek
- MS=ms33395911
- facebook-domain-verification=319kf2ciqzli03u2ydy3eqwahayh51
- SPFv=spf1 +a +mx +ip4:190.8.176.19 +ip4:190.8.176.45 +include:_spf.colhost.com +include:md02.com +include:spf.protection.outlook.com -all
- google-site-verification=14TUd3GK96PArTQtlws3sPY50Tef2zWmnabA_24pm6o
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