costello-law.com

Valid Email Server
Domain Lookup › costello-law.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
costello-law.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 02:46:11 UTC · ↺ Refresh

MX Hostnames

  • costellolaw-com02b.mail.protection.outlook.com
  • mail30.newtekwebhosting.com
  • ms36502993.msv1.invalid

MX Priorities

  • mail30.newtekwebhosting.com: 1000
  • ms36502993.msv1.invalid: 32767
  • costellolaw-com02b.mail.protection.outlook.com: 0

A / AAAA Records

  • 216.119.127.137 (no PTR)

Mail Server IPs

  • 216.119.106.157 ↩ maila30.newtekwebhosting.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)

SOA Record

Raw SOA ns3.newtekdns.com administrator.newtekwebhosting.com 12 900 600 86400 3600
Primary NS (mname)
ns3.newtekdns.com
Admin Email (rname)
administrator@newtekwebhosting.com
Serial
12
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

ns4.newtekdns.com
ns3.newtekdns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx/24 ip4:63.134.207.1/24 ip4:216.119.112.170 ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no 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

1 record
  • SPFv=spf1 a mx/24 ip4:63.134.207.1/24 ip4:216.119.112.170 ?all
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