gkservices.com

Valid Email Server
Domain Lookup › gkservices.com

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
gkservices.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 17:34:47 UTC · ↺ Refresh

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MX Hostnames

  • esa4.cintas.iphmx.com
  • esa3.cintas.iphmx.com
  • esa1.cintas.iphmx.com
  • mxa-0075a601.gslb.pphosted.com
  • mxb-0075a601.gslb.pphosted.com
  • esa2.cintas.iphmx.com

MX Priorities

  • mxa-0075a601.gslb.pphosted.com: 5
  • mxb-0075a601.gslb.pphosted.com: 5
  • esa1.cintas.iphmx.com: 10
  • esa2.cintas.iphmx.com: 10
  • esa3.cintas.iphmx.com: 10
  • esa4.cintas.iphmx.com: 10

A / AAAA Records

  • 104.21.54.131 (no PTR)
  • 172.67.138.183 (no PTR)
  • 2606:4700:3034::6815:3683 (no PTR)
  • 2606:4700:3032::ac43:8ab7 (no PTR)

Mail Server IPs

  • 205.220.183.180 ↩ mx0b-0075a601.pphosted.com

SOA Record

Raw SOA alice.ns.cloudflare.com dns.cloudflare.com 2400429273 10000 2400 604800 1800
Primary NS (mname)
alice.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400429273
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

alice.ns.cloudflare.com
kevin.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:spf-0075a601.pphosted.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

4 records
  • "google-site-verification=LySD4FINryY2gqd0OO1ReSBSMrO019Im-6OmcnC30mM"
  • SPFv=spf1 mx include:spf-0075a601.pphosted.com ~all
  • "LySD4FINryY2gqd0OO1ReSBSMrO019Im-6OmcnC30mM"
  • "MS=ms16197177"
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