core-lib.com - robtex.com

core-lib.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:22fd🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:d254🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.34.253Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.210.84🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShoward.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cab🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
A2803:f800:50::6ca2:c3ab🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhoward.ns.cloudflare.com
A2a06:98c1:50::ac40:23ab🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhoward.ns.cloudflare.com
A108.162.195.171🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
A162.159.44.171Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
A172.64.35.171🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
NSophelia.ns.cloudflare.com
A2606:4700:50::a29f:26f8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRophelia.ns.cloudflare.com
A2803:f800:50::6ca2:c2f8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRophelia.ns.cloudflare.com
A2a06:98c1:50::ac40:22f8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRophelia.ns.cloudflare.com
A108.162.194.248🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRophelia.ns.cloudflare.com
A162.159.38.248Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRophelia.ns.cloudflare.com
A172.64.34.248🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRophelia.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.34.253, 172.67.210.84
IPv6 hints2606:4700:3034::6815:22fd, 2606:4700:3035::ac43:d254
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com
SOAhoward.ns.cloudflare.comdns@cloudflare.com serial=2398442572

com

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=1776205752

Same first word

core-lib.com

Similar names

co-libre.com
co-liber.com
libero-c.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NShoward.ns.cloudflare.comophelia.ns.cloudflare.comappctl.atsrv.intrans01.atsrv.jpns02.atsrv.jpMXmail.core-lib.comA104.21.34.253172.67.210.842606:4700:3034::6815:22fd2606:4700:3035::ac43:d254125.6.128.247188.114.96.0188.114.97.0203.104.194.2382a06:98c1:3120::2a06:98c1:3121::
○NSappctl.atsrv.intra2015-06-24 → 2017-05-24 · 4 obs
● 2015-06-24 01:28:00
● 2017-05-24 06:09:44
○ 2026-03-30 21:32:40
○ 2026-04-14 22:42:38
●NShoward.ns.cloudflare.com2026-03-30 → 2026-04-14 · 3 obs
○ 2017-05-24 06:09:44
● 2026-03-30 21:32:40
● 2026-04-14 22:42:38
○NSns01.atsrv.jp2015-06-24 → 2017-05-24 · 4 obs
● 2015-06-24 01:28:00
● 2017-05-24 06:09:44
○ 2026-03-30 21:32:40
○ 2026-04-14 22:42:38
○NSns02.atsrv.jp2015-06-24 → 2017-05-24 · 4 obs
● 2015-06-24 01:28:00
● 2017-05-24 06:09:44
○ 2026-03-30 21:32:40
○ 2026-04-14 22:42:38
●NSophelia.ns.cloudflare.com2026-03-30 → 2026-04-14 · 3 obs
○ 2017-05-24 06:09:44
● 2026-03-30 21:32:40
● 2026-04-14 22:42:38
○MXmail.core-lib.com2015-06-24 → 2017-05-24 · 4 obs
● 2015-06-24 01:28:00
● 2017-05-24 06:09:44
○ 2026-03-30 21:32:40
○ 2026-04-14 22:42:38
●A104.21.34.2532026-04-14 → 2026-04-14 · 2 obs
○ 2026-03-30 21:32:40
● 2026-04-14 22:42:38
○A125.6.128.2472015-06-24 → 2016-11-26 · 4 obs
● 2015-06-24 01:28:00
● 2016-11-26 10:39:12
○ 2017-05-24 06:09:44
○ 2026-04-14 22:42:38
●A172.67.210.842026-04-14 → 2026-04-14 · 2 obs
○ 2026-03-30 21:32:40
● 2026-04-14 22:42:38
○A188.114.96.02026-03-30 → 2026-03-30 · 3 obs
○ 2017-05-24 06:09:44
● 2026-03-30 21:32:40
○ 2026-04-14 22:42:38
○A188.114.97.02026-03-30 → 2026-03-30 · 3 obs
○ 2017-05-24 06:09:44
● 2026-03-30 21:32:40
○ 2026-04-14 22:42:38
○A203.104.194.2382017-05-24 → 2017-05-24 · 4 obs
○ 2016-11-26 10:39:12
● 2017-05-24 06:09:44
○ 2026-03-30 21:32:40
○ 2026-04-14 22:42:38
●A2606:4700:3034::6815:22fd2026-04-14 → 2026-04-14 · 2 obs
○ 2026-03-30 21:32:40
● 2026-04-14 22:42:38
●A2606:4700:3035::ac43:d2542026-04-14 → 2026-04-14 · 2 obs
○ 2026-03-30 21:32:40
● 2026-04-14 22:42:38
○A2a06:98c1:3120::2026-03-30 → 2026-03-30 · 3 obs
○ 2017-05-24 06:09:44
● 2026-03-30 21:32:40
○ 2026-04-14 22:42:38
○A2a06:98c1:3121::2026-03-30 → 2026-03-30 · 3 obs
○ 2017-05-24 06:09:44
● 2026-03-30 21:32:40
○ 2026-04-14 22:42:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net...-
core-lib.comophelia.ns.cloudflare.com, howard.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.171

NS records: ophelia.ns.cloudflare.com, howard.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core-lib.com (unsigned zone)

⏱️ Timing

Total: 120ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.210.84, 104.21.34.253
AAAA22606:4700:3035::ac43:d254, 2606:4700:3034::6815:22fd
NS2howard.ns.cloudflare.com, ophelia.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1howard.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ophelia.ns.cloudflare.com, ophelia.ns.cloudflare.com, ophelia.ns.cloudflare.com...)

Analysis

IP Addresses

core-lib.com maps to four IP numbers: 2606:4700:3034::6815:22fd, 2606:4700:3035::ac43:d254, 104.21.34.253 and 172.67.210.84.

Other host names, for instance logogz.cn, 211885.com, www.vctools.net, sendrentnow.com and www.alphaoutpost.com share IP numbers with core-lib.com.

Name Servers

Two name servers howard.ns.cloudflare.com and ophelia.ns.cloudflare.com handle delegation for core-lib.com.

core-lib.com uses the same name server setup as other domains, for example mycn.io, xoomda.com, rhapsodyresort.com.au, choojiozai.ru.com and q1.com.au.

core-lib.com partially shares name servers with other domains; examples include texaslawbook.net, 33win01.one, redalia.es, metlinkmelbourne.com.au and kapten69ad.com.

These name servers are often used with the name servers isla.ns.cloudflare.com and becky.ns.cloudflare.com.

Host names with six IP numbers: howard.ns.cloudflare.com points to: 2606:4700:58::a29f:2cab, 2803:f800:50::6ca2:c3ab, 2a06:98c1:50::ac40:23ab, 108.162.195.171, 162.159.44.171 and 172.64.35.171; ophelia.ns.cloudflare.com points to: 2606:4700:50::a29f:26f8, 2803:f800:50::6ca2:c2f8, 2a06:98c1:50::ac40:22f8, 108.162.194.248, 162.159.38.248 and 172.64.34.248.