sierranv.net

Valid Email Server
Domain Lookup › sierranv.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sierranv.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 18:29:52 UTC · ↺ Refresh

MX Hostnames

  • spacestar-net.p20.spamhero.com
  • spacestar-net.p10.spamhero.com
  • spacestar-net.p40.spamhero.com
  • spacestar-net.p30.spamhero.com

MX Priorities

  • spacestar-net.p30.spamhero.com: 30
  • spacestar-net.p10.spamhero.com: 10
  • spacestar-net.p20.spamhero.com: 20
  • spacestar-net.p40.spamhero.com: 40

A / AAAA Records

  • 206.191.194.1 ↩ web1.sierranv.net

Mail Server IPs

  • 208.53.48.156 ↩ bolt13b.mxthunder.net
  • 209.41.68.192 ↩ bolt105b.mxthunder.net
  • 216.172.106.52 ↩ bolt105a.mxthunder.net
  • 209.105.224.179 ↩ bolt13a.mxthunder.net

SOA Record

Raw SOA ns1.he.net hostmaster.he.net 2026032700 10800 3600 3600 600
Primary NS (mname)
ns1.he.net
Admin Email (rname)
hostmaster@he.net
Serial
2026032700
Refresh
10800s
Retry
3600s
Expire
3600s
Minimum TTL
600s

Nameservers (NS)

ns3.he.net
ns2.he.net
ns4.he.net
ns5.sierranv.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:206.191.192.0/24 ip4:206.191.194.1 ip4:206.191.195.14 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

2 records
  • SPFv=spf1 ip4:206.191.192.0/24 ip4:206.191.194.1 ip4:206.191.195.14 ~all
  • MS=53FA87C009AD2832E17737414B62E32061A47520
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