zlib.net
zlib Home Site
zlib.net is registered with GoDaddy.com, LLC since March 17, 2002 (24.7 years). The registration expires on March 16, 2029. The site runs on HSTS, Apache HTTP Server. Its email security grade is F. Its SSL certificate is issued by Let's Encrypt and is valid for 35 more days.
- Domain age
- 24.7 yrs
- Technologies
- 2
- Email security
- F
- SSL days left
- 35
Registration
| Registrar | GoDaddy.com, LLC |
|---|---|
| IANA ID | 146 |
| Registered | March 17, 2002 |
| Expires | March 16, 2029 |
| Updated | February 15, 2024 |
| Status | client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited |
| Name servers | ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 85.187.148.2 | 153 |
| MX | zlib.net 0 | 480 |
| NS | ns4.a2hosting.com | 86400 |
| NS | ns3.a2hosting.com | 86400 |
| NS | ns1.a2hosting.com | 86400 |
| NS | ns2.a2hosting.com | 86400 |
| TXT | v=spf1 +mx +a +ip4:68.66.224.49 ~all | 14400 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YR2, Let's Encrypt |
| Expires | December 15, 2026 |
| Days remaining | 35 |
| Protocol | TLSv1.3 |
| Names | *.adler.me, *.gzip.org, *.madler.net, *.zlib.net, adler.me, gzip.org, www.adler.madler.net, www.gzip.madler.net, www.zlib.madler.net, zlib.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 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).
- goodDKIM keys found (selector: default).
- good1 MX record(s) found.
Homepage metadata
| Title | zlib Home Site |
|---|---|
| Indexable | Yes |
| Word count | 2647 |
About zlib.net
Who is the registrar of zlib.net?
zlib.net is registered with GoDaddy.com, LLC (IANA ID 146).
When does zlib.net expire?
The current registration of zlib.net expires on March 16, 2029. It was first registered on March 17, 2002.
What technology does zlib.net use?
We detected 2 technologies on zlib.net, including HSTS, Apache HTTP Server.
Does zlib.net protect its email with SPF and DMARC?
zlib.net scores 43/100 (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 MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
What are the name servers of zlib.net?
zlib.net uses ns4.a2hosting.com, ns3.a2hosting.com, ns1.a2hosting.com, ns2.a2hosting.com.