symbiontonline.com

Valid Email Server
Domain Lookup › symbiontonline.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
symbiontonline.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 01:41:08 UTC · ↺ Refresh

MX Hostnames

  • mailforward1.cloudns.net
  • mailforward2.cloudns.net

MX Priorities

  • mailforward1.cloudns.net: 10
  • mailforward2.cloudns.net: 10

A / AAAA Records

  • 185.206.180.176 ↩ 176.http4.cloudns.net
  • 185.206.180.121 ↩ 10.http-proxy2.cloudns.net
  • 2a0b:1640:1:1:1:1:ce7:cfcc ↩ 5.http-proxy2.cloudns.net
  • 2a0b:1640:1:1:1008:1:1:1 ↩ 180.http4.cloudns.net

Mail Server IPs

  • 185.206.180.103 ↩ mf1-de.cloudmails.net
  • 2a0b:1640:1:1:1:1:8d1:eba5 ↩ mf1-de.cloudmails.net
  • 108.62.121.26 ↩ mf2-us.cloudmails.net
  • 2604:9a00:2100:b000:2::1 ↩ mf2-us.cloudmails.net

SOA Record

Raw SOA ns1.cloudns.net support.cloudns.net 2026030601 7200 1800 1209600 3600
Primary NS (mname)
ns1.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026030601
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

pns2.cloudns.net
pns4.cloudns.net
ns2.cloudns.net
pns5.cloudns.net
pns6.cloudns.net
pns8.cloudns.net
ns1.cloudns.net
ns3.cloudns.net
pns1.cloudns.net
pns3.cloudns.net
ns4.cloudns.net
pns7.cloudns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:spf.mandrillapp.com include:spf.protection.outlook.com include:authsmtp.com ~all
📊 DNS lookups: 4/10
~ 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

5 records
  • 0ed1fe018a3a8a44e6cf6c46f794ef20470fb87b25
  • hR3lCH2NK5PpUQgkL3x1z5J4cf/wwtZy1bQna8SJY6JEfTOk9PSvFiy2fH4Ur9DNJEDY73jfXqjKnWhdZBEYlw==
  • as=1345670703
  • MS=ms17793384
  • SPFv=spf1 include:us._netblocks.mimecast.com include:spf.mandrillapp.com include:spf.protection.outlook.com include:authsmtp.com ~all
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