kapstonepaper.com

Valid Email Server
Domain Lookup › kapstonepaper.com

Domain Overview

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

Checked via [email protected] · 2026-05-21 08:15:10 UTC · ↺ Refresh

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MX Hostnames

  • mxa-003db102.gslb.pphosted.com
  • mxb-003db102.gslb.pphosted.com

MX Priorities

  • mxb-003db102.gslb.pphosted.com: 10
  • mxa-003db102.gslb.pphosted.com: 10

A / AAAA Records

  • 173.230.137.97 ↩ 173-230-137-97.ip.linodeusercontent.com

Mail Server IPs

  • 205.220.176.116 ↩ mx0b-003db102.pphosted.com

SOA Record

Raw SOA cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 2 10800 3600 604800 86400
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
2
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

cbru.br.ns.els-gms.att.net
cmtu.mt.ns.els-gms.att.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:72.15.243.23 ip4:162.34.240.72 ip4:162.34.230.72 include:_netblocks.mimecast.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

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

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

All TXT Records

7 records
  • SPFv=spf1 ip4:72.15.243.23 ip4:162.34.240.72 ip4:162.34.230.72 include:_netblocks.mimecast.com ~all
  • biqmu6J9+8bGwMm5k9xQWB7SPfTgMYj+S1KCF+Ucf8Z0qkXiSQbsxLkoSVvT34Gy0JV0MaFDcviAsd5TdC4gQg==
  • cisco-ci-domain-verification=75d584e5ac2a6500cdc7c153e8b7aa65725b935c6dbbe35b475f7ff7073a3c51
  • google-site-verification=GgNCjgDboXlpSKlIeKs66CKBLKu2vS8New_eyW9VYJU
  • google-site-verification=wnSjoxZmN6ZLNT6Olpu4Cdi14aFwG9aqyUYE1qqf_0c
  • lkghhxsm7w06xsctvp9dtk2y6r1kzcs5
  • MS=ms50889762
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