knowbench.com - dns.ninja

knowbench.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:557b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:cdb5🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.85.123Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.181🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbruce.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbruce.ns.cloudflare.com
A2803:f800:50::6ca2:c14d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbruce.ns.cloudflare.com
A2a06:98c1:50::ac40:214d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbruce.ns.cloudflare.com
A108.162.193.77🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbruce.ns.cloudflare.com
A172.64.33.77🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbruce.ns.cloudflare.com
A173.245.59.77🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbruce.ns.cloudflare.com
NSmarge.ns.cloudflare.com
A2606:4700:50::adf5:3abf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarge.ns.cloudflare.com
A2803:f800:50::6ca2:c0bf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmarge.ns.cloudflare.com
A2a06:98c1:50::ac40:20bf🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmarge.ns.cloudflare.com
A108.162.192.191🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarge.ns.cloudflare.com
A172.64.32.191🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarge.ns.cloudflare.com
A173.245.58.191🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarge.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.85.123, 172.67.205.181
IPv6 hints2606:4700:3031::6815:557b, 2606:4700:3032::ac43:cdb5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com
SOAbruce.ns.cloudflare.comdns@cloudflare.com serial=2411557789

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=1786562379

Same first word

knowbench.com

DNS History

12 records (6 active, 6 former)

2020202120222023202420252026NSbruce.ns.cloudflare.commarge.ns.cloudflare.comA104.21.85.123172.67.205.1812606:4700:3031::6815:557b2606:4700:3032::ac43:cdb5104.27.172.84104.27.173.842606:4700:30::681b:ac542606:4700:30::681b:ad542606:4700:3034::ac43:cdb52606:4700:3036::6815:557b
●NSbruce.ns.cloudflare.com2019-04-03 → 2026-08-12 · 2 obs
● 2019-04-03 21:58:34
● 2026-08-12 19:33:48
●NSmarge.ns.cloudflare.com2019-04-03 → 2026-08-12 · 2 obs
● 2019-04-03 21:58:34
● 2026-08-12 19:33:48
●A104.21.85.1232026-02-15 → 2026-08-12 · 3 obs
○ 2019-04-03 21:58:34
● 2026-02-15 16:05:20
● 2026-08-12 19:33:48
○A104.27.172.842019-04-03 → 2019-04-03 · 3 obs
● 2019-04-03 21:58:34
○ 2026-02-15 16:05:20
○ 2026-08-12 19:33:48
○A104.27.173.842019-04-03 → 2019-04-03 · 3 obs
● 2019-04-03 21:58:34
○ 2026-02-15 16:05:20
○ 2026-08-12 19:33:48
●A172.67.205.1812026-02-15 → 2026-08-12 · 3 obs
○ 2019-04-03 21:58:34
● 2026-02-15 16:05:20
● 2026-08-12 19:33:48
○A2606:4700:30::681b:ac542019-04-03 → 2019-04-03 · 3 obs
● 2019-04-03 21:58:34
○ 2026-02-15 16:05:20
○ 2026-08-12 19:33:48
○A2606:4700:30::681b:ad542019-04-03 → 2019-04-03 · 3 obs
● 2019-04-03 21:58:34
○ 2026-02-15 16:05:20
○ 2026-08-12 19:33:48
●A2606:4700:3031::6815:557b2026-07-08 → 2026-08-12 · 3 obs
○ 2026-02-15 16:05:20
● 2026-07-08 18:49:18
● 2026-08-12 19:33:48
●A2606:4700:3032::ac43:cdb52026-07-08 → 2026-08-12 · 3 obs
○ 2026-02-15 16:05:20
● 2026-07-08 18:49:18
● 2026-08-12 19:33:48
○A2606:4700:3034::ac43:cdb52026-02-15 → 2026-02-15 · 4 obs
○ 2019-04-03 21:58:34
● 2026-02-15 16:05:20
○ 2026-07-08 18:49:18
○ 2026-08-12 19:33:48
○A2606:4700:3036::6815:557b2026-02-15 → 2026-02-15 · 4 obs
○ 2019-04-03 21:58:34
● 2026-02-15 16:05:20
○ 2026-07-08 18:49:18
○ 2026-08-12 19:33:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
knowbench.combruce.ns.cloudflare.com, marge.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.77

NS records: bruce.ns.cloudflare.com, marge.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowbench.com (unsigned zone)

⏱️ Timing

Total: 147ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.85.123, 172.67.205.181
AAAA22606:4700:3031::6815:557b, 2606:4700:3032::ac43:cdb5
NS2bruce.ns.cloudflare.com, marge.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bruce.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

knowbench.com points to the four IP addresses 104.21.85.123, 172.67.205.181, 2606:4700:3031::6815:557b and 2606:4700:3032::ac43:cdb5.

Among the host names that share IP numbers with knowbench.com are loveis2013.kr, paradigm-partnership.com, dmiexpo.com and two others.

Name Servers

Two name servers handle the delegation for knowbench.com: bruce.ns.cloudflare.com and marge.ns.cloudflare.com.

knowbench.com has the same name server delegation as a number of other domains, such as nanausagroup.com, amiez.net, mynetx.net and two more.

The name servers of knowbench.com overlap at least partially with those of other domains — among them admetrika.com, matthew.co.kr, etherlabs.io and two more.

These name servers commonly appear in combination with the name servers nancy.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

bruce.ns.cloudflare.com resolves to 108.162.193.77, 172.64.33.77 and 173.245.59.77 among others, with 3 other IP addresses in total.

marge.ns.cloudflare.com resolves to 108.162.192.191, 172.64.32.191 and 173.245.58.191 among others, with 3 other IP addresses in total.