zlib.net - dns.ninja

zlib.net

DNSSEC⚠️ Not signed
A85.187.148.2🇺🇸 A2HOSTING85.187.144.0/21
PTR85.187.148.2.static.a2webhosting.com
NSns1.a2hosting.com ⭐
A13.248.158.180🇺🇸 Amazon13.248.144.0/20
PTRa79764cc55c0ac9c0.awsglobalaccelerator.com
NSns2.a2hosting.com
A75.2.118.134🇺🇸 Amazon75.2.112.0/20
PTRabc65dd9a44b5332f.awsglobalaccelerator.com
NSns3.a2hosting.com
A76.223.26.245🇺🇸 Amazon76.223.16.0/20
PTRa79764cc55c0ac9c0.awsglobalaccelerator.com
NSns4.a2hosting.com
A99.83.147.209🇺🇸 Amazon99.83.144.0/20
PTRabc65dd9a44b5332f.awsglobalaccelerator.com
MXzlib.net ⭐
A85.187.148.2🇺🇸 A2HOSTING85.187.144.0/21
PTR85.187.148.2.static.a2webhosting.com
TXTv=spf1 +mx +a +ip4:68.66.224.49 ~all
SOAns1.a2hosting.comroot@az1-ss24.a2hosting.com 2026-05-17 #1

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783879252
rank #1050 globally
rank #22 in the tld

zlib.net

zlib.netis the official website of the zlib compression library, a widely used open-source data-compression software library. It provides downloads, documentation, and release information for the zlib project.

Key facts

  • Owner / operator: zlib project maintainers (originally associated with Jean-loup Gailly and Mark Adler, the creators of zlib)
  • TLD:.net— gTLD
  • Primary purpose: official distribution and documentation site for the zlib compression library
  • Status: active

Related domains

  • zlib.org— sometimes referenced in connection with the zlib project, thoughzlib.nethas served as the primary official site for downloads
WOT: SAFE (94/100)
📈 Tranco rank: #4,211

MX for

zlib.net

Previously MX for

www.zlib.net

Subdomains

mail.zlib.net
www.zlib.net

Same first word

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DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NSns1.a2hosting.comns2.a2hosting.comns3.a2hosting.comns4.a2hosting.comns.nocdirect.comns2.nocdirect.comMXzlib.netA85.187.148.269.73.132.10
○NSns.nocdirect.com2015-08-16 → 2017-04-09 · 4 obs
● 2015-08-16 10:57:50
● 2017-04-09 05:37:24
○ 2026-02-17 22:41:50
○ 2026-07-12 18:21:40
●NSns1.a2hosting.com2026-02-17 → 2026-07-12 · 3 obs
○ 2017-04-09 05:37:24
● 2026-02-17 22:41:50
● 2026-07-12 18:21:40
●NSns2.a2hosting.com2026-02-17 → 2026-07-12 · 3 obs
○ 2017-04-09 05:37:24
● 2026-02-17 22:41:50
● 2026-07-12 18:21:40
○NSns2.nocdirect.com2015-08-16 → 2017-04-09 · 4 obs
● 2015-08-16 10:57:50
● 2017-04-09 05:37:24
○ 2026-02-17 22:41:50
○ 2026-07-12 18:21:40
●NSns3.a2hosting.com2026-02-17 → 2026-07-12 · 3 obs
○ 2017-04-09 05:37:24
● 2026-02-17 22:41:50
● 2026-07-12 18:21:40
●NSns4.a2hosting.com2026-02-17 → 2026-07-12 · 3 obs
○ 2017-04-09 05:37:24
● 2026-02-17 22:41:50
● 2026-07-12 18:21:40
●MXzlib.net2015-08-16 → 2026-07-12 · 2 obs
● 2015-08-16 10:57:50
● 2026-07-12 18:21:40
○A69.73.132.102015-08-16 → 2017-04-09 · 4 obs
● 2015-08-16 10:57:50
● 2017-04-09 05:37:24
○ 2026-02-17 22:41:50
○ 2026-07-12 18:21:40
●A85.187.148.22026-02-17 → 2026-07-12 · 3 obs
○ 2017-04-09 05:37:24
● 2026-02-17 22:41:50
● 2026-07-12 18:21:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...-
zlib.netns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com-

✅ Authoritative Response

Server:13.248.158.180

NS records: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zlib.net (unsigned zone)

⏱️ Timing

Total: 2236ms | Queries: -

📄 Records

TypeCountSample Data
A185.187.148.2
NS4ns3.a2hosting.com, ns4.a2hosting.com...
MX1zlib.net (pri: 0)
TXT1v=spf1 +mx +a +ip4:68.66.224.49 ~all
SOA1ns1.a2hosting.com root.az1-ss24.a2hostin

Analysis

Hierarchy

mail.zlib.net and www.zlib.net are both subdomains of zlib.net.

Mail Server Role

zlib.net is listed as a mail server for itself.

IP Addresses

zlib.net resolves to one IP address: 85.187.148.2.

zachadler.net, joshadler.net, adler.me and two other host names share IP numbers with zlib.net.

Name Servers

The authoritative name servers for zlib.net are ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.

zlib.net shares at least some of its name servers with other domains, including adhdsolutions.net, thecannaservative.com, snr-jnt.org and two others.

These name servers are frequently seen alongside the name servers ns1.supercp.com, ns2.supercp.com, ns3.supercp.com and ns4.supercp.com.

Each of the four hosts ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com points to a single IP address — ns1.a2hosting.com points to 13.248.158.180, ns2.a2hosting.com points to 75.2.118.134, ns3.a2hosting.com points to 76.223.26.245 and ns4.a2hosting.com points to 99.83.147.209.

Mail Servers

Mail for zlib.net is handled by one mail server — zlib.net.

zlib.net directs to just one IP number, 85.187.148.2.