harder.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
harder.com
Yes
โœ“ Yes
Mimecast
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-04-02 00:15:03 UTC ยท โ†บ Refresh

MX Hostnames

  • us-smtp-inbound-2.mimecast.com
  • us-smtp-inbound-1.mimecast.com

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 10
  • us-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 64.227.110.135 โ†ฉ 1276750.cloudwaysapps.com

Mail Server IPs

  • 170.10.128.221 โ†ฉ us-smtp-inbound-1.mimecast.com
  • 170.10.132.141 โ†ฉ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 โ†ฉ us-smtp-inbound-1.mimecast.com
  • 170.10.128.141 โ†ฉ us-smtp-inbound-1.mimecast.com
  • 170.10.128.242 โ†ฉ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 โ†ฉ us-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA ns10.digicertdns.com dns.digicertdns.com 2009010150 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010150
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns1.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns0.dnsmadeeasy.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com ~all
๐Ÿ“Š DNS lookups: 2/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

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

15 records
  • k0pblplpdsvbk2hhpfh7klibqt
  • SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com ~all
  • adobe-idp-site-verification=b2ddfd75ebd7f18d89c131bfca1665150d3fe3b88e9cb052b188badff1b264f9
  • ldhm7n3f8qac14cjh6vd6usr2a
  • ZOOM_verify_WfsY8GeOQtOkJ-HAUcT8RQ
  • google-site-verification=04v0Yw_Ld9n5sKQlauS2BevoYXQsQQiN4lBKr5p5C74
  • zoho-verification=zb71362849.zmverify.zoho.com
  • 85fhdtm58qlo6selgldc2i6qqu
  • openai-domain-verification=dv-WSF7yYJlAcvSgqG56n3Pq8jZ
  • b5DZuI/Tnwp7koXBv6F1NHB4uMqYhyW/TCZQfJP/ZmEgxEBMFX4GO0+cZiFhTsV1ShufTaJeQevFaUJFUaB3Jw==
  • apple-domain-verification=3VWaZGA4MKyz5Zvc
  • logmein-verification-code=786d3a6b-273d-4216-81c2-a85c4f9d561b
  • smartsheet-site-validation=ZRqy6iAh7_Jfw7XHYiyZK-lXPwMa6aCR
  • MS=ms63722467
  • aGFyZGVybWVjaGFuaWNhbA==
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