rhcu.net

Valid Email Server
Domain Lookup › rhcu.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rhcu.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 00:20:49 UTC · ↺ Refresh

MX Hostnames

  • rhcu.net.1.0001.arsmtp.com
  • rhcu.net.2.0001.arsmtp.com

MX Priorities

  • rhcu.net.1.0001.arsmtp.com: 5
  • rhcu.net.2.0001.arsmtp.com: 10

A / AAAA Records

  • 74.208.236.54 ↩ 74-208-236-54.elastic-ssl.ui-r.com

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA ns1021.ui-dns.org hostmaster.1and1.com 2016072503 28800 7200 604800 300
Primary NS (mname)
ns1021.ui-dns.org
Admin Email (rname)
hostmaster@1and1.com
Serial
2016072503
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1021.ui-dns.com
ns1021.ui-dns.de
ns1021.ui-dns.biz
ns1021.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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 include:spf.protection.outlook.com -all
  • v=verifydomain MS=8114500
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