Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isa.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 23:39:51 UTC · ↺ Refresh
MX Hostnames
- isacorreosmtp.isa.com.co
- isa-com-co.mail.protection.outlook.COM
MX Priorities
- isa-com-co.mail.protection.outlook.com: 8
- isacorreosmtp.isa.com.co: 15
A / AAAA Records
- 200.24.4.131 (no PTR)
Mail Server IPs
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 200.24.0.214 (no PTR)
SOA Record
Raw SOA
nameserver01.mi.com.co hostmaster.isa.com.co 2025120305 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@isa.com.co
Serial
2025120305
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nameserver04.mi.com.co
nameserver03.mi.com.co
nameserver02.mi.com.co
nameserver01.mi.com.co
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:200.24.0.214 ip4:200.24.1.4 ip4:200.24.4.4 ip4:200.24.1.3 ip4:200.24.4.3 ip4:200.24.0.43 ip4:200.24.0.34 ip4:190.90.17.62 ip4:50.31.56.58 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
18 records- 5auj311i3gscivv35f1l83nt7a
- 3mcx5yh8ll7xtdn0m3g0nx4f402y2zqd
- nr216paefvdva11nom6uei4qns
- MS=ms18076170
- ms-domain-verification=895c633e-07e8-41b0-a543-2d7d2466c6d7
- SPFv=spf1 a mx ip4:200.24.0.214 ip4:200.24.1.4 ip4:200.24.4.4 ip4:200.24.1.3 ip4:200.24.4.3 ip4:200.24.0.43 ip4:200.24.0.34 ip4:190.90.17.62 ip4:50.31.56.58 include:spf.protection.outlook.com -all
- ms-domain-verification=4c39e7e5-8019-47d0-aefd-86c51f37322c
- nr6knvolqjsprnio2h5tjsa73i
- ms-domain-verification=5cb8ffcf-9577-47f7-afb5-ef2ae4737128
- o9je2b0dljf724i2fdq29g829m
- dpip38382ec6016kg71vjl307s
- 874gh07t9ecq37tvtt8rshj8t1
- fee5ebvpng0drfvt1ti9bhttg5
- d1ejseb9c6hdjch62a0devkd21
- _f1osthpj987f940io2llmnwgron9o7l
- TjyZHnrrJv5hgQKce4474/2/F41dwXo1PQCoSIcBI7ZhrknvPZGvvRPxsfuSbUu6WQr9KEbOu+Qc3ATXCjF4gA==
- l5gkj1c76b78sp4dd2rccptdft
- docusign=58d55246-59bd-404f-a89f-c9525c3944c2
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