www.3lib.org - robtex.com

www.3lib.org

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:4e1🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:848e🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.225Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.142🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.225, 172.67.132.142
IPv6 hints2606:4700:3033::6815:4e1, 2606:4700:3034::ac43:848e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=20, name=cloudflare-ech.com

3lib.org

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:4e1🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:848e🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.225Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.142🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjoaquin.ns.cloudflare.com ⭐
NSjosephine.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.225, 172.67.132.142
IPv6 hints2606:4700:3033::6815:4e1, 2606:4700:3034::ac43:848e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=20, name=cloudflare-ech.com
SOAjoaquin.ns.cloudflare.comdns@cloudflare.com serial=2401387812

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DNS History

15 records (4 active, 11 former)

20162017201820192020202120222023202420252026NSamorp.openlib.orgkonrad.openlib.orgmodin.openlib.orgraneb.openlib.orgshuli.openlib.orgsnefru.openlib.orgvebag.openlib.orgMXkatri.openlib.orgA104.21.4.225172.67.132.1422606:4700:3033::6815:4e12606:4700:3034::ac43:848e144.76.58.1072a01:4f8:191:626a::65CNAME3lib.org
○NSamorp.openlib.org2016-03-14 → 2016-11-29 · 5 obs
○ 2015-12-06 17:18:18
● 2016-03-14 09:00:10
● 2016-11-29 14:28:44
○ 2017-05-28 06:07:12
○ 2026-04-23 22:33:56
○NSkonrad.openlib.org2015-12-06 → 2015-12-06 · 3 obs
● 2015-12-06 17:18:18
○ 2016-03-14 09:00:10
○ 2026-04-23 22:33:56
○NSmodin.openlib.org2015-12-06 → 2015-12-06 · 3 obs
● 2015-12-06 17:18:18
○ 2016-03-14 09:00:10
○ 2026-04-23 22:33:56
○NSraneb.openlib.org2015-12-06 → 2015-12-06 · 3 obs
● 2015-12-06 17:18:18
○ 2016-03-14 09:00:10
○ 2026-04-23 22:33:56
○NSshuli.openlib.org2015-12-06 → 2016-11-29 · 4 obs
● 2015-12-06 17:18:18
● 2016-11-29 14:28:44
○ 2017-05-28 06:07:12
○ 2026-04-23 22:33:56
○NSsnefru.openlib.org2015-12-06 → 2015-12-06 · 3 obs
● 2015-12-06 17:18:18
○ 2016-03-14 09:00:10
○ 2026-04-23 22:33:56
○NSvebag.openlib.org2015-12-06 → 2016-11-29 · 4 obs
● 2015-12-06 17:18:18
● 2016-11-29 14:28:44
○ 2017-05-28 06:07:12
○ 2026-04-23 22:33:56
○MXkatri.openlib.org2015-12-06 → 2016-11-29 · 4 obs
● 2015-12-06 17:18:18
● 2016-11-29 14:28:44
○ 2017-05-28 06:07:12
○ 2026-04-23 22:33:56
●A104.21.4.2252026-03-26 → 2026-04-23 · 3 obs
○ 2017-05-28 06:07:12
● 2026-03-26 09:21:14
● 2026-04-23 22:33:56
○A144.76.58.1072015-07-20 → 2016-11-29 · 4 obs
● 2015-07-20 20:06:06
● 2016-11-29 14:28:44
○ 2017-05-28 06:07:12
○ 2026-04-23 22:33:56
●A172.67.132.1422026-03-26 → 2026-04-23 · 3 obs
○ 2017-05-28 06:07:12
● 2026-03-26 09:21:14
● 2026-04-23 22:33:56
●A2606:4700:3033::6815:4e12026-03-26 → 2026-04-23 · 3 obs
○ 2017-05-28 06:07:12
● 2026-03-26 09:21:14
● 2026-04-23 22:33:56
●A2606:4700:3034::ac43:848e2026-03-26 → 2026-04-23 · 3 obs
○ 2017-05-28 06:07:12
● 2026-03-26 09:21:14
● 2026-04-23 22:33:56
○A2a01:4f8:191:626a::652015-07-20 → 2016-11-29 · 4 obs
● 2015-07-20 20:06:06
● 2016-11-29 14:28:44
○ 2017-05-28 06:07:12
○ 2026-04-23 22:33:56
○CNAME3lib.org2015-07-20 → 2017-05-28 · 4 obs
● 2015-07-20 20:06:06
● 2017-05-28 06:07:12
○ 2026-03-26 09:21:14
○ 2026-04-23 22:33:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
3lib.orgjosephine.ns.cloudflare.com, joaquin.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.64

NS records: josephine.ns.cloudflare.com, joaquin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3lib.org (unsigned zone)

⏱️ Timing

Total: 421ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.4.225, 172.67.132.142
AAAA22606:4700:3034::ac43:848e, 2606:4700:3033::6815:4e1
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.3lib.org maps to four IP numbers: 2606:4700:3033::6815:4e1, 2606:4700:3034::ac43:848e, 104.21.4.225 and 172.67.132.142.

Other host names, for instance tangchui.com.cn, talpaz.org.il, pizzadelmaestros.co.uk, carvalhohosken.com.br and www.ubic.in share IP numbers with www.3lib.org.