duma-engineering.com

Valid Email Server
Domain Lookup › duma-engineering.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
duma-engineering.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-24 11:05:44 UTC · ↺ Refresh

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MX Hostnames

  • dumaengineering-com01b.mail.protection.outlook.com

MX Priorities

  • dumaengineering-com01b.mail.protection.outlook.com: 0

A / AAAA Records

  • 190.180.145.103 ↩ sh-cp3.dub1.servername.online
  • 2604:9780:1234:700:1::1b9 (no PTR)

Mail Server IPs

  • 52.101.73.123 ↩ mail-am6pr02cu00203.inbound.protection.outlook.com
  • 52.101.103.39 ↩ mail-miypr05cu00207.inbound.protection.outlook.com
  • 52.101.91.21 ↩ mail-matpr05cu00105.inbound.protection.outlook.com
  • 52.101.185.21 ↩ mail-zrxpr05cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c967::c ↩ mail-cpjpr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::8 ↩ mail-miypr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::a ↩ mail-wa4pr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.hostpapa.com admin.hostpapa.ca 2026092302 3600 3600 1209600 10800
Primary NS (mname)
ns1.hostpapa.com
Admin Email (rname)
admin@hostpapa.ca
Serial
2026092302
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s

Nameservers (NS)

ns2.hostpapa.com
ns1.hostpapa.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:66.102.132.171 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • _globalsign-domain-verification=yqmLfmDvF_GfOyDmy8sAJ69nYI0aXdUdGeEHtnsL-k
  • SPFv=spf1 ip4:66.102.132.171 include:spf.protection.outlook.com -all
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