istep.com

Valid Email Server

Domain Overview

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

Checked via [email protected] ยท 2026-03-17 17:52:40 UTC ยท โ†บ Refresh

MX Hostnames

  • filter38.istep.com

MX Priorities

  • filter38.istep.com: 5

A / AAAA Records

  • 65.181.116.95 โ†ฉ s10801.usc1.stableserver.net

Mail Server IPs

  • 64.98.38.4 โ†ฉ mx.b.hostedemail.com

SOA Record

Raw SOA ns1.systemdns.com hostmaster.systemdns.com 1768799841 10800 3600 1209600 60
Primary NS (mname)
ns1.systemdns.com
Admin Email (rname)
hostmaster@systemdns.com
Serial
1768799841
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
60s

Nameservers (NS)

ns3.systemdns.com
ns1.systemdns.com
ns2.systemdns.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 a include:_spf.hostedemail.com ip4:65.181.116.95 ip4:204.195.76.0/24 ip4:72.34.104.0/24 ip4:75.14.234.64/29 ip4:12.149.175.0/24 ~all
๐Ÿ“Š DNS lookups: 2/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];fo=1
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
dkim._domainkey
k1._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: dkim

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

All TXT Records

1 record
  • SPFv=spf1 a include:_spf.hostedemail.com ip4:65.181.116.95 ip4:204.195.76.0/24 ip4:72.34.104.0/24 ip4:75.14.234.64/29 ip4:12.149.175.0/24 ~all
Full email verification for istep.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits