bibstudy.com - dns.ninja

bibstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:5b2🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:85b0🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.178Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.176🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSemerson.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c60🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerson.ns.cloudflare.com
A2803:f800:50::6ca2:c360🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRemerson.ns.cloudflare.com
A2a06:98c1:50::ac40:2360🇺🇸 Cloudflare2a06:98c1:50::/45
PTRemerson.ns.cloudflare.com
A108.162.195.96🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerson.ns.cloudflare.com
A162.159.44.96Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerson.ns.cloudflare.com
A172.64.35.96🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerson.ns.cloudflare.com
NSjosephine.ns.cloudflare.com
A2606:4700:50::a29f:2640🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosephine.ns.cloudflare.com
A2803:f800:50::6ca2:c240🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjosephine.ns.cloudflare.com
A2a06:98c1:50::ac40:2240🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjosephine.ns.cloudflare.com
A108.162.194.64🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosephine.ns.cloudflare.com
A162.159.38.64Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosephine.ns.cloudflare.com
A172.64.34.64🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosephine.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.178, 172.67.133.176
IPv6 hints2606:4700:3031::6815:5b2, 2606:4700:3032::ac43:85b0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com
SOAemerson.ns.cloudflare.comdns@cloudflare.com serial=2408139727

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=1786587249

Same first word

bibstudy.com

DNS History

11 records (6 active, 5 former)

201820192020202120222023202420252026NSemerson.ns.cloudflare.comjosephine.ns.cloudflare.comns29.domaincontrol.comns30.domaincontrol.comA104.21.5.178172.67.133.1762606:4700:3031::6815:5b22606:4700:3032::ac43:85b02606:4700:3033::6815:5b22606:4700:3037::ac43:85b050.63.202.42
●NSemerson.ns.cloudflare.com2026-04-27 → 2026-08-13 · 3 obs
○ 2017-09-28 15:14:10
● 2026-04-27 14:13:58
● 2026-08-13 02:32:06
●NSjosephine.ns.cloudflare.com2026-04-27 → 2026-08-13 · 3 obs
○ 2017-09-28 15:14:10
● 2026-04-27 14:13:58
● 2026-08-13 02:32:06
○NSns29.domaincontrol.com2017-09-28 → 2017-09-28 · 3 obs
● 2017-09-28 15:14:10
○ 2026-04-27 14:13:58
○ 2026-08-13 02:32:06
○NSns30.domaincontrol.com2017-09-28 → 2017-09-28 · 3 obs
● 2017-09-28 15:14:10
○ 2026-04-27 14:13:58
○ 2026-08-13 02:32:06
●A104.21.5.1782026-04-27 → 2026-08-13 · 3 obs
○ 2017-09-28 15:14:10
● 2026-04-27 14:13:58
● 2026-08-13 02:32:06
●A172.67.133.1762026-04-27 → 2026-08-13 · 3 obs
○ 2017-09-28 15:14:10
● 2026-04-27 14:13:58
● 2026-08-13 02:32:06
●A2606:4700:3031::6815:5b22026-07-08 → 2026-08-13 · 3 obs
○ 2026-04-27 14:13:58
● 2026-07-08 08:44:04
● 2026-08-13 02:32:06
●A2606:4700:3032::ac43:85b02026-07-08 → 2026-08-13 · 3 obs
○ 2026-04-27 14:13:58
● 2026-07-08 08:44:04
● 2026-08-13 02:32:06
○A2606:4700:3033::6815:5b22026-04-27 → 2026-04-27 · 4 obs
○ 2017-09-28 15:14:10
● 2026-04-27 14:13:58
○ 2026-07-08 08:44:04
○ 2026-08-13 02:32:06
○A2606:4700:3037::ac43:85b02026-04-27 → 2026-04-27 · 4 obs
○ 2017-09-28 15:14:10
● 2026-04-27 14:13:58
○ 2026-07-08 08:44:04
○ 2026-08-13 02:32:06
○A50.63.202.422017-09-28 → 2017-09-28 · 3 obs
● 2017-09-28 15:14:10
○ 2026-04-27 14:13:58
○ 2026-08-13 02:32:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
bibstudy.comjosephine.ns.cloudflare.com, emerson.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.96

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bibstudy.com (unsigned zone)

⏱️ Timing

Total: 141ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.133.176, 104.21.5.178
AAAA22606:4700:3031::6815:5b2, 2606:4700:3032::ac43:85b0
NS2emerson.ns.cloudflare.com, josephine.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1emerson.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

bibstudy.com directs to four IP numbers, which are 104.21.5.178, 172.67.133.176, 2606:4700:3031::6815:5b2 and 2606:4700:3032::ac43:85b0.

alebilet.pl-kategoria12746412648578712478.shop, zbsoft.net, apet.pl and two other host names share IP numbers with bibstudy.com.

Name Servers

bibstudy.com uses two name servers for its delegation: emerson.ns.cloudflare.com and josephine.ns.cloudflare.com.

bibstudy.com uses the same name servers as several other domains — among them upv.com.mx, mysterylife.ru, ktmplastics.com and two more.

At least some of bibstudy.com's name servers are shared with other domains, for example telwent.pl, rampantlionpub.com, syflkl.cn and two more.

These name servers are often deployed together with the name servers ned.ns.cloudflare.com, dion.ns.cloudflare.com, nia.ns.cloudflare.com and amber.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname emerson.ns.cloudflare.com directs to 108.162.195.96, 162.159.44.96 and 172.64.35.96 along with 3 other IP addresses.

Hostname josephine.ns.cloudflare.com directs to 108.162.194.64, 162.159.38.64 and 172.64.34.64 along with 3 other IP addresses.