mallinckrodt.com

Valid Email Server
Domain Lookup › mallinckrodt.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mallinckrodt.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 14:56:33 UTC · ↺ Refresh

MX Hostnames

  • mxa-0025dc03.gslb.pphosted.com
  • mxb-0025dc03.gslb.pphosted.com

MX Priorities

  • mxa-0025dc03.gslb.pphosted.com: 10
  • mxb-0025dc03.gslb.pphosted.com: 10

A / AAAA Records

  • 168.62.224.13 (no PTR)
  • 52.162.107.14 (no PTR)

Mail Server IPs

  • 205.220.173.175 ↩ mx0b-0025dc03.pphosted.com

SOA Record

Raw SOA ns1.mnk.com hostmaster.ns1.mnk.com 2026040202 900 600 86400 60
Primary NS (mname)
ns1.mnk.com
Admin Email (rname)
hostmaster@ns1.mnk.com
Serial
2026040202
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
60s

Nameservers (NS)

ns1.mnk.com
ns2.mnk.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf-0025dc03.pphosted.com include:spf-008a4301.pphosted.com include:spf-008a4302.pphosted.com ip4:146.214.100.188/30 ip4:77.244.106.135 ip4:212.43.71.122 ip4:146.214.100.253 include:spf.protection.outlook.com include:mailgun.org -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]

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

16 records
  • google-site-verification=UolbipB62IA7XPZq5tdGxlQDmf2-dAUYdKjOJEbG1kE
  • MS=ms34467846
  • globalsign-domain-verification=0A0E85CABAE84C4EF44F864CA2A5F648
  • globalsign-domain-verification=58225BF15C69300D9F2950EF6E6DB945
  • google-site-verification=0nH9QmuCZT3SGuWYRBDwZrBZp76HShmVJIYgJefg0ZE
  • uo0qr6pi4dgiip3q2m0bulug9h
  • paiwOsraP4BWNNzz9B/O8AAuwZhX7H6T66bSS05qfozTPAAuEkIJUa2LQC6rMtm9hi2GW86Qn9yRJnnrS1XzXw==
  • _globalsign-domain-verification=zCY95NWJPLhyiW4vsRIpfiZdRYiISYU2GuOPHG1TTh
  • ciscocidomainverification=332e691e4a59e00f6e62189a10d2790ca3005fa1cf7c651a52b93ca144738ef3
  • tu648qs.impervadns.net
  • globalsign-domain-verification=9A352FD709A218343B0662CB034FB95C
  • globalsign-domain-verification=f52bf428c0f56ef3881d5e8b300db600
  • globalsign-domain-verification=36344bc55f7dae3586862ee087c8b14d
  • globalsign-domain-verification=63DC4FF877074DC3863A1E0CBE4017FE
  • globalsign-domain-verification=D9E82F50834C666A19231E312F963B1E
  • SPFv=spf1 include:spf-0025dc03.pphosted.com include:spf-008a4301.pphosted.com include:spf-008a4302.pphosted.com ip4:146.214.100.188/30 ip4:77.244.106.135 ip4:212.43.71.122 ip4:146.214.100.253 include:spf.protection.outlook.com include:mailgun.org -all
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