opencenter.org

Valid Email Server
Domain Lookup › opencenter.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
opencenter.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 17:44:44 UTC · ↺ Refresh

MX Hostnames

  • alt1.aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx.l.google.com
  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com

MX Priorities

  • alt2.aspmx.l.google.com: 30
  • alt1.aspmx.l.google.com: 20
  • aspmx.l.google.com: 10
  • aspmx2.googlemail.com: 40
  • aspmx3.googlemail.com: 50

A / AAAA Records

  • 66.94.106.212 ↩ vmi1316409.contaboserver.net

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 64.233.180.26 ↩ on-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA ns57.worldnic.com namehost.worldnic.com 123052718 10800 3600 604800 3600
Primary NS (mname)
ns57.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
123052718
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns57.worldnic.com
ns58.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com a ip4:64.207.180.110 include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com include:sparkpostmail.com ~all
📊 DNS lookups: 6/10
~ 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

1 record
  • SPFv=spf1 include:_spf.google.com a ip4:64.207.180.110 include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com include:sparkpostmail.com ~all
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