calculator.net
Calculator.net: Free Online Calculators - Math, Fitness, Finance, Science
calculator.net is registered with GoDaddy.com, LLC since July 7, 1998 (28.3 years). The registration expires on November 1, 2031. The site runs on PHP, Apache HTTP Server. Its email security grade is F. Its SSL certificate is issued by GoDaddy.com and is valid for 102 more days.
- Domain age
- 28.3 yrs
- Technologies
- 2
- Email security
- F
- SSL days left
- 102
Registration
| Registrar | GoDaddy.com, LLC |
|---|---|
| IANA ID | 146 |
| Registered | July 7, 1998 |
| Expires | November 1, 2031 |
| Updated | October 10, 2026 |
| Status | client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited |
| Name servers | pdns13.domaincontrol.com, pdns14.domaincontrol.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 69.10.42.201 | 604800 |
| MX | smtp.secureserver.net 0 | 3600 |
| MX | mailstore1.secureserver.net 10 | 3600 |
| NS | pdns13.domaincontrol.com | 3600 |
| NS | pdns14.domaincontrol.com | 3600 |
| TXT | v=spf1 ip4:69.10.42.201 include:_spf.google.com ~all | 3600 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, GoDaddy TLS Intermediate CA DV - R1v1, GoDaddy.com |
| Expires | February 21, 2027 |
| Days remaining | 102 |
| Protocol | TLSv1.3 |
| Names | *.calculator.net, calculator.net |
Email security
- badNo DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- 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).
- good2 MX record(s) found. Mail is handled by GoDaddy.
Homepage metadata
| Title | Calculator.net: Free Online Calculators - Math, Fitness, Finance, Science |
|---|---|
| Description | Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with in-depth information. |
| Language | en |
| Indexable | Yes |
| Word count | 329 |
About calculator.net
Who is the registrar of calculator.net?
calculator.net is registered with GoDaddy.com, LLC (IANA ID 146).
When does calculator.net expire?
The current registration of calculator.net expires on November 1, 2031. It was first registered on July 7, 1998.
What technology does calculator.net use?
We detected 2 technologies on calculator.net, including PHP, Apache HTTP Server.
Does calculator.net protect its email with SPF and DMARC?
calculator.net scores 28/100 (grade F) for email security. No DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain. No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
What are the name servers of calculator.net?
calculator.net uses pdns13.domaincontrol.com, pdns14.domaincontrol.com.