topstdlibrary.com - dns.ninja

topstdlibrary.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:146c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c05a🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.20.108Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.90🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalberto.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c12🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalberto.ns.cloudflare.com
A2803:f800:50::6ca2:c312🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalberto.ns.cloudflare.com
A2a06:98c1:50::ac40:2312🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalberto.ns.cloudflare.com
A108.162.195.18🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalberto.ns.cloudflare.com
A162.159.44.18Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalberto.ns.cloudflare.com
A172.64.35.18🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalberto.ns.cloudflare.com
NScoco.ns.cloudflare.com
A2606:4700:50::adf5:3a68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoco.ns.cloudflare.com
A2803:f800:50::6ca2:c068🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcoco.ns.cloudflare.com
A2a06:98c1:50::ac40:2068🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcoco.ns.cloudflare.com
A108.162.192.104🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.32.104🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.58.104🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.20.108, 172.67.192.90
IPv6 hints2606:4700:3034::6815:146c, 2606:4700:3035::ac43:c05a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=13, name=cloudflare-ech.com
SOAalberto.ns.cloudflare.comdns@cloudflare.com serial=2410022042

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=1785189327

Same first word

topstdlibrary.com

DNS History

11 records (6 active, 5 former)

NSalberto.ns.cloudflare.comcoco.ns.cloudflare.comA104.21.20.108172.67.192.902606:4700:3034::6815:146c2606:4700:3035::ac43:c05a188.114.96.0188.114.97.02606:4700:3032::ac43:c05a2a06:98c1:3120::2a06:98c1:3121::
●NSalberto.ns.cloudflare.com2026-06-10 → 2026-07-27 · 2 obs
● 2026-06-10 17:08:36
● 2026-07-27 21:56:32
●NScoco.ns.cloudflare.com2026-06-10 → 2026-07-27 · 2 obs
● 2026-06-10 17:08:36
● 2026-07-27 21:56:32
●A104.21.20.1082026-06-10 → 2026-07-27 · 4 obs
● 2026-06-10 17:08:36
● 2026-06-11 12:31:22
○ 2026-07-01 12:31:24
● 2026-07-27 21:56:32
●A172.67.192.902026-06-10 → 2026-07-27 · 4 obs
● 2026-06-10 17:08:36
● 2026-06-11 12:31:22
○ 2026-07-01 12:31:24
● 2026-07-27 21:56:32
○A188.114.96.02026-07-01 → 2026-07-01 · 3 obs
○ 2026-06-11 12:31:22
● 2026-07-01 12:31:24
○ 2026-07-27 21:56:32
○A188.114.97.02026-07-01 → 2026-07-01 · 3 obs
○ 2026-06-11 12:31:22
● 2026-07-01 12:31:24
○ 2026-07-27 21:56:32
○A2606:4700:3032::ac43:c05a2026-06-10 → 2026-06-11 · 4 obs
● 2026-06-10 17:08:36
● 2026-06-11 12:31:22
○ 2026-07-01 12:31:24
○ 2026-07-27 21:56:32
●A2606:4700:3034::6815:146c2026-06-10 → 2026-07-27 · 4 obs
● 2026-06-10 17:08:36
● 2026-06-11 12:31:22
○ 2026-07-01 12:31:24
● 2026-07-27 21:56:32
●A2606:4700:3035::ac43:c05a2026-07-27 → 2026-07-27 · 2 obs
○ 2026-07-01 12:31:24
● 2026-07-27 21:56:32
○A2a06:98c1:3120::2026-07-01 → 2026-07-01 · 3 obs
○ 2026-06-11 12:31:22
● 2026-07-01 12:31:24
○ 2026-07-27 21:56:32
○A2a06:98c1:3121::2026-07-01 → 2026-07-01 · 3 obs
○ 2026-06-11 12:31:22
● 2026-07-01 12:31:24
○ 2026-07-27 21:56:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
topstdlibrary.comcoco.ns.cloudflare.com, alberto.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.104

NS records: coco.ns.cloudflare.com, alberto.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for topstdlibrary.com (unsigned zone)

⏱️ Timing

Total: 169ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.20.108, 172.67.192.90
AAAA22606:4700:3035::ac43:c05a, 2606:4700:3034::6815:146c
NS2alberto.ns.cloudflare.com, coco.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alberto.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

topstdlibrary.com has four IP addresses: 104.21.20.108, 172.67.192.90, 2606:4700:3034::6815:146c and 2606:4700:3035::ac43:c05a.

Additional host names — olcualetlerisepeti.com, ask.askcdp.com, realagroup.com and two others — share IP numbers with topstdlibrary.com.

Name Servers

topstdlibrary.com uses two name servers for its delegation: alberto.ns.cloudflare.com and coco.ns.cloudflare.com.

topstdlibrary.com shares its name server setup with other domains, including buystandardspdf.com, specshelf.com, 157.130.in-addr.arpa and two others.

topstdlibrary.com partially shares its NS delegation with several other domains, including huangjiamadelibifenzhibo.com.cn, vikingtrailer.com, mailproxsy.com and two others.

These name servers regularly co-occur with the name servers malavika.ns.cloudflare.com, nelly.ns.cloudflare.com and ernest.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname alberto.ns.cloudflare.com directs to 108.162.195.18, 162.159.44.18 and 172.64.35.18 along with 3 other IP addresses.

Hostname coco.ns.cloudflare.com directs to 108.162.192.104, 172.64.32.104 and 173.245.58.104 along with 3 other IP addresses.