davidhirschbergsteel.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
davidhirschbergsteel.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 08:37:21 UTC · ↺ Refresh

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MX Hostnames

  • davidhirschbergsteel-com.mx2.arsmtp.com
  • davidhirschbergsteel-com.mail.protection.outlook.com
  • davidhirschbergsteel-com.mx1.arsmtp.com

MX Priorities

  • davidhirschbergsteel-com.mx2.arsmtp.com: 20
  • davidhirschbergsteel-com.mx1.arsmtp.com: 10
  • davidhirschbergsteel-com.mail.protection.outlook.com: 99

A / AAAA Records

  • 100.24.208.97
  • 35.172.94.1

Mail Server IPs

  • 8.19.118.186 ↩ server207.appriver.com
  • 8.31.233.62 ↩ server206.appriver.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA dns105.a.register.com root.register.com 2020082703 28800 7200 604800 3600
Primary NS (mname)
dns105.a.register.com
Admin Email (rname)
root@register.com
Serial
2020082703
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns232.c.register.com
dns176.d.register.com
dns107.b.register.com
dns105.a.register.com

SPF Record

✓ Strict (-all)
v=spf1 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

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=ms59022893
  • sophos-domain-verification=a16c6b9668cc8df230ddf649b5b55d2979d7c4f26a6df43885c95f1db636c241
  • SPFv=spf1 include:spf.protection.outlook.com -all
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