horizonblue.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
horizonblue.com
Yes
โœ“ Yes
Proofpoint
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-21 13:28:33 UTC ยท โ†บ Refresh

MX Hostnames

  • mx0a-004eeb01.pphosted.com
  • mx0b-004eeb01.pphosted.com

MX Priorities

  • mx0a-004eeb01.pphosted.com: 10
  • mx0b-004eeb01.pphosted.com: 10

A / AAAA Records

  • 45.60.171.47 (no PTR)
  • 45.60.151.47 (no PTR)

Mail Server IPs

  • 205.220.163.61 โ†ฉ mx0a-004eeb01.pphosted.com
  • 205.220.175.60 โ†ฉ mx0b-004eeb01.pphosted.com

SOA Record

Raw SOA hds1p.horizon-bcbsnj.com dnsadmin.horizonblue.com 2976 86400 10000 604800 86400
Primary NS (mname)
hds1p.horizon-bcbsnj.com
Admin Email (rname)
dnsadmin@horizonblue.com
Serial
2976
Refresh
86400s
Retry
10000s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dbru.br.ns.els-gms.att.net
dmtu.mt.ns.els-gms.att.net

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
๐Ÿ“Š DNS lookups: 1/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

18 records
  • cisco-ci-domain-verification=3c7ae4e0d94f00459fae5fc439cd53208ecce85347334b6d074abef2381d0d52
  • _globalsign-domain-verification=-NYMoFQLXciFmsO-78pdago0iweaIdmRnWG0Fzu98_
  • bP3chrsB1DzBRTiC5fcUZ4SwJbCQFdxO1O+HZ7VYQ163PllHit4aVcUTkFo6taV8Eh1Vq88gSp53dxfMkNSjhg==
  • jamf-site-verification=i6JSA7CcMccECN1lX6j_YQ
  • ibmid=f3cad90e-3fa7-4b99-a23a-8c7a14835cc7
  • 4LX1aZ6FuO+E/tZ5gjxPhM3Eb4+gNccU03RZ9LYigAzQg/ftJmsUZWC3lyUf66F1Jzi5doyxMvSPqiEca4VQAw==
  • wb2vrmbfvdnkd5fy0j2dg92dc7cl7q62
  • MS=FE1A502C8769BD4C62CD52E29E09A6E0B367B9E7
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
  • adobe-idp-site-verification=351630530d69d7f20c801f4468062a7d2abd476d5f335d40ce611fc504020e75
  • cursor-domain-verification-sm57n0=NdbW2efi6JFNdrvf6Wz5vX2oK
  • docusign=3b843677-6ce4-42e6-bec5-f66e2862b54a
  • atlassian-domain-verification=ljDzsPoI91RaV0gx0yvvQdpAs2kjhlP2A4/pAL4joecGE0a7VMr0dVaNq7eu3FQ8
  • atlassian-sending-domain-verification=e37731ac-e104-4ae0-bd34-89843c6e948c
  • _globalsign-domain-verification=KDIaVGHqDS5JgtzDhrbFi29MVdgzCN7gYI9YK-VHp4
  • facebook-domain-verification=farc57wwni5mfkk73pzzgyrldewuwn
  • apple-domain-verification=3Z2UIvFn2815H5Yf
  • google-site-verification=UCi-gNmAMGLNY2f-OLm4HWoHxQCqFVUV-zrwnG5dhj4
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for horizonblue.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits