Rank #1,813Updated November 10, 2026
thoughtco.com
thoughtco.com is registered with MarkMonitor Inc. since January 17, 2013 (13.8 years). The registration expires on January 17, 2027. Its email security grade is D. Its SSL certificate is issued by Let's Encrypt and is valid for 48 more days.
- Domain age
- 13.8 yrs
- Technologies
- —
- Email security
- D
- SSL days left
- 48
Registration
| Registrar | MarkMonitor Inc. |
|---|---|
| IANA ID | 292 |
| Registered | January 17, 2013 |
| Expires | January 17, 2027 |
| Updated | December 15, 2025 |
| Status | client delete prohibited, client transfer prohibited, client update prohibited |
| Name servers | blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 162.159.141.224 | 300 |
| A | 172.66.1.220 | 300 |
| MX | aspmx.l.google.com 1 | 300 |
| MX | alt3.aspmx.l.google.com 10 | 300 |
| MX | alt4.aspmx.l.google.com 10 | 300 |
| MX | alt1.aspmx.l.google.com 5 | 300 |
| MX | alt2.aspmx.l.google.com 5 | 300 |
| NS | blue.foundationdns.org | 86400 |
| NS | blue.foundationdns.com | 86400 |
| NS | blue.foundationdns.net | 86400 |
| TXT | adobe-idp-site-verification=4d443bb146b2a60fc0c0216c899a6ef9baa971cc3c36ac4b3020b4719b5c2e82 | 86400 |
| TXT | airtable-verification=7f23bd05102c5a2c073b0d0689ecaf71 | 86400 |
| TXT | atlassian-domain-verification=uUTQHYge655RxaiCqp-IAyc/Q7GgtoJziDouyp0rB7n8OUdp4q8WfSgllR1IaJVR | 86400 |
| TXT | docusign=c86da653-08b1-4692-b7fa-99a25a691a67 | 86400 |
| TXT | facebook-domain-verification=4zspck49dsym1nipxzxvo351eijrul | 86400 |
| TXT | google-site-verification=-c3eo7dcLye-A9iDosySTUvZijxIn1PC5UsiCkGT7AE | 86400 |
| TXT | google-site-verification=e95qaVLKB4CGmC3zGdm7Lo1TCXjjAyVbqfUlCNmYHeM | 86400 |
| TXT | knowbe4-site-verification=fa92b9e4fa2fbe928824de444cebea5e | 86400 |
| TXT | v=spf1 ip4:64.125.213.247 ip4:216.223.13.247 include:_spf.salesforce.com include:_spf.google.com ~all | 86400 |
| AAAA | 2a06:98c1:58::1d8 | 300 |
| AAAA | 2606:4700:7::1d8 | 300 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YE2, Let's Encrypt |
| Expires | December 28, 2026 |
| Days remaining | 48 |
| Protocol | TLSv1.3 |
| Names | *.thoughtco.com, thoughtco.com |
Email security
DScore 60/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
- warnDKIM key found (selector: google) but it is only 1024 bits; 2048 is recommended.
- 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 marked as suspicious (soft fail).
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good5 MX record(s) found. Mail is handled by Google Workspace.
About thoughtco.com
Who is the registrar of thoughtco.com?
thoughtco.com is registered with MarkMonitor Inc. (IANA ID 292).
When does thoughtco.com expire?
The current registration of thoughtco.com expires on January 17, 2027. It was first registered on January 17, 2013.
Does thoughtco.com protect its email with SPF and DMARC?
thoughtco.com scores 60/100 (grade D) for email security. DMARC policy is none (monitoring only). Spoofed mail is still delivered. DKIM key found (selector: google) but it is only 1024 bits; 2048 is recommended.
What are the name servers of thoughtco.com?
thoughtco.com uses blue.foundationdns.org, blue.foundationdns.com, blue.foundationdns.net.