Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
arcetec.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-23 00:51:32 UTC · ↺ Refresh
MX Hostnames
- arcetec-com-co.mail.protection.outlook.com
MX Priorities
- arcetec-com-co.mail.protection.outlook.com: 0
A / AAAA Records
- 37.60.234.152 ↩ ip-152-234-60-37.static.contabo.net
Mail Server IPs
- 52.101.41.206 ↩ mail-byapr05cu00806.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.60.179 ↩ mail-bn3pr0301cu00103.inbound.protection.outlook.com
- 52.101.41.122 ↩ mail-byapr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f908::8 ↩ mail-bnypr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 include:sendgrid.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; pct=100; fo=1;
~ 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
10 records- mistral-domain-verification=6828cc5ec3113faa2ef994463fb4deda4f505833
- anthropic-domain-verification-vwqj8k=tb88ibpPB6ld8AuxpsHqvPbhj
- linkedin-site-verification=2ef9fdc3-070d-4a5e-849c-ff890c7a3872
- mscid=LDs1B9dk5iZWtvnRtMGVcOSB28d3gyqQmuZ4Xq/GTCmefDMg5+fOfWzSBrvEOuRn4yri/dygeAuM5zzZm4bDZg==
- SPFv=spf1 include:sendgrid.net include:spf.protection.outlook.com -all
- MS=ms56382312
- facebook-domain-verification=ose4re8r1gzq9t91gcw4pby03bxfe3
- atlassian-domain-verification=1HPcazgTbuFntTpUpYSi2540RIBUsQ1XUu42Ha7nttD8RhvHCPJz3iikMa9WKiP/
- atlassian-sending-domain-verification=f9afe2ca-e791-49d9-b3a4-ef5397de4bb8
- openai-domain-verification=dv-5mMsK36LEo7n9rlLHwVYzldY
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