frederick.health

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
frederick.health
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-04-04 23:14:55 UTC ยท โ†บ Refresh

MX Hostnames

  • mx2.hc3623-94.iphmx.com
  • mx1.hc3623-94.iphmx.com

MX Priorities

  • mx1.hc3623-94.iphmx.com: 10
  • mx2.hc3623-94.iphmx.com: 15

A / AAAA Records

  • 3.33.251.168 โ†ฉ aec037177372cc6cd.awsglobalaccelerator.com
  • 15.197.225.128 โ†ฉ aec037177372cc6cd.awsglobalaccelerator.com

Mail Server IPs

  • 139.138.38.123 โ†ฉ esa1.hc3623-94.iphmx.com
  • 207.54.92.57 โ†ฉ esa3.hc3623-94.iphmx.com
  • 139.138.35.176 โ†ฉ esa2.hc3623-94.iphmx.com
  • 68.232.137.116 โ†ฉ esa4.hc3623-94.iphmx.com

SOA Record

Raw SOA ns33.domaincontrol.com dns.jomax.net 2026021603 28800 7200 604800 600
Primary NS (mname)
ns33.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021603
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns34.domaincontrol.com
ns33.domaincontrol.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 mx mx:res.cisco.com include:spf.protection.outlook.com ip4:50.219.87.165 ip4:208.253.115.165 ~all
๐Ÿ“Š DNS lookups: 3/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

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

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._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

12 records
  • ejfpo7va1lmfvomlq8mej406cr
  • smartsheet-site-validation=8Tzx5zP5BBgR-5TX9W5mhj2bCyb1GEox
  • e2ma-verification=jacfb
  • bukT0L9pxmCSplfSvsPbAlwFs+5Pn4YCckH0lEZVosAFay+JBSPv6FRFGl+spAF++ZnoMKZnQh3/qYpOTx+CAg==
  • MS=ms52091334
  • DlNZL4X3/dYKY+B/igam8oZd/2h8eTTtacozyJWt0+hE/1gr9Q2x0FNtd1m43YSMsC4/9LTiYqza4xsqAS/dCA==
  • cwjFUwygOcWRfuYsJ5W/anpZNmJCZJA5IzPdXhlJxADSyq9hDMQ5oEhitIK7hnLo5kfb7Hg2FQOfm2n/gIrBOA==
  • SPFv=spf1 mx mx:res.cisco.com include:spf.protection.outlook.com ip4:50.219.87.165 ip4:208.253.115.165 ~all
  • 797b71f7716e7cbb67671892a534d677aa2ac46c17b092384594a8e9c1b67967
  • e2ma-verification=4msfb
  • duo_sso_verification=gqECw1UgteaAm7yyQHMp9vlSXgvOzPqa1yscmE5Qpzyf8G68QbviYatzugIr61Oe
  • knowbe4-site-verification=87d67c60ceec94251975a1f27c58597a
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