zlib.org - dns.ninja

`zlib.org`

DNSSEC	⚠️ Not signed
A	144.76.159.215^{🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1}
		PTR	`smtp.xmp.net`
NS	`ns1.gandi.net` ⭐
		A	2001:4b98:aaaa::2^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-1-a.gandi.net`
		A	173.246.100.2^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-1-a.gandi.net`
NS	`ns-116-c.gandi.net`
		A	2604:3400:aaac::75^{🇺🇸 GANDI-LIVEDNS2604:3400:aaac::/48 Gandi US Inc.}
			PTR	`ns-116-c.gandi.net`
		A	217.70.187.117^{🇫🇷 GANDI-LIVEDNS217.70.187.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-116-c.gandi.net`
NS	`ns-252-a.gandi.net`
		A	2001:4b98:aaaa::fd^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-252-a.gandi.net`
		A	173.246.100.253^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-252-a.gandi.net`
NS	`ns-68-b.gandi.net`
		A	2001:4b98:aaab::45^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaab::/48 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`ns-68-b.gandi.net`
		A	213.167.230.69^{🇫🇷 GANDI-LIVEDNS213.167.230.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-68-b.gandi.net`
MX	`spool.mail.gandi.net` ⭐
		A	2001:4b98:e00::1^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool.mail.gandi.net`
		A	217.70.178.1^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool.mail.gandi.net`
MX	`fb.mail.gandi.net`⁽⁵⁰⁾
		A	2001:4b98:dc4:8::215^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool6.mail.gandi.net`
		A	2001:4b98:dc4:8::216^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool7.mail.gandi.net`
		A	2001:4b98:dc4:8::217^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool8.mail.gandi.net`
		A	217.70.178.215^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool6.mail.gandi.net`
		A	217.70.178.216^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool7.mail.gandi.net`
		A	217.70.178.217^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool8.mail.gandi.net`
TXT	`v=spf1 include:_mailcust.gandi.net ?all`
SOA	`ns1.gandi.net`hostmaster@gandi.net serial=1783555200

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783849420

rank #615796 globally
rank #46984 in the tld
WOT: SAFE (66/100)

Subdomains

www.zlib.org

Same first word

zlib.fi

zlib.li

zlib.bz

zlib.net.ru

zlib.lol

zlib.net

zlib.cn

zlib.com

zlib.re

zlib.ru

zlib.su

zlib.pub

zlib.by

zlib.de

zlib.icu

zlib.org

zlib.ir

Similar names

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bzli.com

lzbi.cn

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izbl.ru

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izbl.df.gov.br

bliz.by

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lbzi.cn

bliz.org

zilb.com

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bilz.info

libz.com

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bilz.name

lizb.co

izbl.com

bilz.cn

bliz.ru

bliz.cz

bliz.fi

DNS History

12 records (7 active, 5 former)

○NSa.dns.gandi.net2015-07-13 → 2017-03-17 · 4 obs

● 2015-07-13 06:18:20
● 2017-03-17 08:28:42
○ 2026-02-15 15:27:20
○ 2026-07-12 10:04:42

○NSb.dns.gandi.net2015-07-13 → 2017-03-17 · 4 obs

● 2015-07-13 06:18:20
● 2017-03-17 08:28:42
○ 2026-02-15 15:27:20
○ 2026-07-12 10:04:42

○NSc.dns.gandi.net2015-07-13 → 2017-03-17 · 4 obs

● 2015-07-13 06:18:20
● 2017-03-17 08:28:42
○ 2026-02-15 15:27:20
○ 2026-07-12 10:04:42

●NSns-116-c.gandi.net2026-02-15 → 2026-07-12 · 3 obs

○ 2017-03-17 08:28:42
● 2026-02-15 15:27:20
● 2026-07-12 10:04:42

●NSns-252-a.gandi.net2026-02-15 → 2026-07-12 · 3 obs

○ 2017-03-17 08:28:42
● 2026-02-15 15:27:20
● 2026-07-12 10:04:42

●NSns-68-b.gandi.net2026-02-15 → 2026-07-12 · 3 obs

○ 2017-03-17 08:28:42
● 2026-02-15 15:27:20
● 2026-07-12 10:04:42

●NSns1.gandi.net2026-02-15 → 2026-07-12 · 3 obs

○ 2017-03-17 08:28:42
● 2026-02-15 15:27:20
● 2026-07-12 10:04:42

●MXfb.mail.gandi.net2026-02-15 → 2026-07-12 · 3 obs

○ 2017-03-17 08:28:42
● 2026-02-15 15:27:20
● 2026-07-12 10:04:42

○MXmail.xmp.net2015-07-13 → 2017-03-17 · 4 obs

● 2015-07-13 06:18:20
● 2017-03-17 08:28:42
○ 2026-02-15 15:27:20
○ 2026-07-12 10:04:42

●MXspool.mail.gandi.net2026-02-15 → 2026-07-12 · 3 obs

○ 2017-03-17 08:28:42
● 2026-02-15 15:27:20
● 2026-07-12 10:04:42

●A144.76.159.2152026-02-15 → 2026-07-12 · 3 obs

○ 2017-03-17 08:28:42
● 2026-02-15 15:27:20
● 2026-07-12 10:04:42

○A5.9.113.2102015-07-13 → 2017-03-17 · 4 obs

● 2015-07-13 06:18:20
● 2017-03-17 08:28:42
○ 2026-02-15 15:27:20
○ 2026-07-12 10:04:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
zlib.org	ns-68-b.gandi.net, ns-252-a.gandi.net, ns-116-c.gandi.net	-

✅ Authoritative Response

Server:213.167.230.69

NS records: ns-68-b.gandi.net, ns-252-a.gandi.net, ns-116-c.gandi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zlib.org (unsigned zone)

⏱️ Timing

Total: 865ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`144.76.159.215`
NS	3	`ns-252-a.gandi.net, ns-116-c.gandi.net...`
MX	2	`fb.mail.gandi.net (pri: 50), spool.mail.gandi.net (pri: 10)`
TXT	1	`v=spf1 include:_mailcust.gandi.net ?all`
SOA	1	`ns1.gandi.net hostmaster.gandi.net`

Analysis

Hierarchy

zlib.org is a parent domain of www.zlib.org.

IP Addresses

zlib.org points to a single IP number: 144.76.159.215.

Additional host names — stotternetz.at, xmp.net, mail.xmp.net and two others — share IP numbers with zlib.org.

Name Servers

zlib.org has four authoritative name servers: ns-116-c.gandi.net, ns-252-a.gandi.net, ns-68-b.gandi.net and ns1.gandi.net.

zlib.org shares at least some of its name servers with other domains, including pralognan.com, 3d63.net, francemediasmonde.mobi and two others.

These name servers are frequently seen alongside ns-46-b.gandi.net, ns-232-a.gandi.net, ns-181-a.gandi.net and 5 other name servers.

The host names ns-116-c.gandi.net, ns-252-a.gandi.net, ns-68-b.gandi.net and ns1.gandi.net each resolve to two IP addresses: ns-116-c.gandi.net resolves to 217.70.187.117 and 2604:3400:aaac::75; ns-252-a.gandi.net resolves to 173.246.100.253 and 2001:4b98:aaaa::fd; ns-68-b.gandi.net resolves to 213.167.230.69 and 2001:4b98:aaab::45; ns1.gandi.net resolves to 173.246.100.2 and 2001:4b98:aaaa::2.

Mail Servers

zlib.org has two mail servers: fb.mail.gandi.net and spool.mail.gandi.net.

zlib.org shares the same mail server setup as other domains, including glisshop.cz, auto-bernard.com, accro.cz and two others.

There is at least a partial overlap in mail servers between zlib.org and other domains like paris-massage.fr, netiva-hosting.net and sensibilisationcnav.fr.

Host names with 6 IP numbers:

fb.mail.gandi.net carries IP addresses 217.70.178.215, 217.70.178.216 and 217.70.178.217, with 3 other addresses beyond those.

Host names with two IP numbers:

spool.mail.gandi.net maps to two IP addresses — 217.70.178.1 and 2001:4b98:e00::1.