Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
s3ingenieros.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 21:42:42 UTC · ↺ Refresh
MX Hostnames
- s3ingenieros-com.mail.protection.outlook.com
MX Priorities
- s3ingenieros-com.mail.protection.outlook.com: 0
A / AAAA Records
- 64.251.14.216 ↩ orion.impulsahosting.com
Mail Server IPs
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.impulsahosting.com alerts.impulsait.com 2026021700 3600 1800 1209600 86400
Primary NS (mname)
ns1.impulsahosting.com
Admin Email (rname)
alerts@impulsait.com
Serial
2026021700
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns4.impulsahosting.com
ns1.impulsahosting.com
ns2.impulsahosting.com
ns3.impulsahosting.com
SPF Record
✓ Strict (-all)
v=spf1 include:impulsahosting.com include:sender.zohobooks.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=VuMZ-d8ZtE6ynIXqxA4b4sazuFCvdECAyFSn0vIHeUk
- SPFv=spf1 include:impulsahosting.com include:sender.zohobooks.com include:spf.protection.outlook.com -all
- MS=52CB6B79D60BECCAFA6AD12ADC0A44B07ADF86A0
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