contact.net

Valid Email Server
Domain Lookup › contact.net

Domain Overview

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

Checked via [email protected] · 2026-03-18 06:42:33 UTC · ↺ Refresh

MX Hostnames

  • mail-c-01.b2b2c.net

MX Priorities

  • mail-c-01.b2b2c.net: 10

A / AAAA Records

  • 206.123.6.187 ↩ web.contact.net

Mail Server IPs

  • 66.158.129.203 ↩ mail-c-01.b2b2c.net

SOA Record

Raw SOA ns.cidc.net ns2.cidc.net 2021120301 3600 900 3600000 600
Primary NS (mname)
ns.cidc.net
Admin Email (rname)
ns2@cidc.net
Serial
2021120301
Refresh
3600s
Retry
900s
Expire
3600000s
Minimum TTL
600s

Nameservers (NS)

ns2.cidc.net
ns.cidc.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:66.158.144.234/32 ip4:66.158.128.0/24 ip4:66.158.129.203/32 ip4:96.127.255.19 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ 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 mx ip4:66.158.144.234/32 ip4:66.158.128.0/24 ip4:66.158.129.203/32 ip4:96.127.255.19 -all
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