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Gridlode
Rank #636Updated November 10, 2026

co.com

co.com is registered with Moniker Online Services LLC since August 16, 1997 (29.2 years). The registration expires on August 15, 2029. Its email security grade is C. Its SSL certificate is issued by Let's Encrypt and is valid for 39 more days.

Domain age
29.2 yrs
Technologies
—
Email security
C
SSL days left
39

Registration

RegistrarMoniker Online Services LLC
IANA ID228
RegisteredAugust 16, 1997
ExpiresAugust 15, 2029
UpdatedNovember 25, 2025
Statusclient transfer prohibited
Name serversns1.nic.co.com, ns2.nic.co.com, ns3.nic.co.com, ns4.nic.co.com
DNSSECSigned

DNS records

TypeValueTTL
A169.60.151.232132
MXmx.spamexperts.com 1014400
MXfallbackmx.spamexperts.eu 2014400
MXlastmx.spamexperts.net 3014400
NSns1.nic.co.com2160
NSns2.nic.co.com2160
NSns3.nic.co.com2160
NSns4.nic.co.com2160
TXTgoogle-site-verification=7OcubotXUUSYYCSil8JjPJ_2uxorUHKIpmbUGsV_caA14400
TXTv=spf1 mx ip4:169.60.151.232 ip4:184.172.61.109 ip4:169.60.163.139 ip4:169.60.135.222 a:codotcom.kayako.com include:servers.mcsv.net -all14400

SSL certificate

ValidValid
IssuerUS, YR2, Let's Encrypt
ExpiresDecember 19, 2026
Days remaining39
ProtocolTLSv1.3
Namesco.com, mail.co.com, server.co.com, www.server.co.com

Email security

CScore 75/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnSubdomains use a weaker policy (sp=none) than the main domain (p=quarantine).
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with -all: servers you have not listed are rejected (hard fail).
  • goodDMARC policy is quarantine: failing mail goes to spam. Move to p=reject for full protection.
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • goodDKIM keys found (selector: default, k1).
  • good3 MX record(s) found. Mail is handled by SpamExperts.

About co.com

Who is the registrar of co.com?

co.com is registered with Moniker Online Services LLC (IANA ID 228).

When does co.com expire?

The current registration of co.com expires on August 15, 2029. It was first registered on August 16, 1997.

Does co.com protect its email with SPF and DMARC?

co.com scores 75/100 (grade C) for email security. Subdomains use a weaker policy (sp=none) than the main domain (p=quarantine). No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of co.com?

co.com uses ns1.nic.co.com, ns2.nic.co.com, ns3.nic.co.com, ns4.nic.co.com.