cot.net

Valid Email Server

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
cot.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-10-03 09:27:09 UTC · ↺ Refresh

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MX Hostnames

  • mx.b.hostedemail.com

MX Priorities

  • mx.b.hostedemail.com: 10

A / AAAA Records

  • 216.7.123.114 ↩ 216-7-123-114.cot.net

Mail Server IPs

  • 64.98.38.4 ↩ mx.b.hostedemail.com

SOA Record

Raw SOA ns1.cot.net admin.cot.net 2025092401 300 300 300 300
Primary NS (mname)
ns1.cot.net
Admin Email (rname)
admin@cot.net
Serial
2025092401
Refresh
300s
Retry
300s
Expire
300s
Minimum TTL
300s

Nameservers (NS)

ns1.cot.net
ns2-v6.cot.net
ns1-v6.cot.net
ns2.cot.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.hostedemail.com mx ip4:216.7.123.3/32 ip4:216.7.123.66/32 ip4:216.7.123.50/32 ip6:2607:1000:0:3::3 ip6:2607:1000:0:2::2 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; adkim=r; aspf=r; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

1 record
  • SPFv=spf1 include:_spf.hostedemail.com mx ip4:216.7.123.3/32 ip4:216.7.123.66/32 ip4:216.7.123.50/32 ip6:2607:1000:0:3::3 ip6:2607:1000:0:2::2 ~all
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