knowledgebase.io - dns.ninja

knowledgebase.io

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:94c4🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:b69🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.11.105Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.148.196🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSceline.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2662🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRceline.ns.cloudflare.com
A2803:f800:50::6ca2:c262🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRceline.ns.cloudflare.com
A2a06:98c1:50::ac40:2262🇺🇸 Cloudflare2a06:98c1:50::/45
PTRceline.ns.cloudflare.com
A108.162.194.98🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRceline.ns.cloudflare.com
A162.159.38.98Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRceline.ns.cloudflare.com
A172.64.34.98🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRceline.ns.cloudflare.com
NSsullivan.ns.cloudflare.com
A2606:4700:58::a29f:2ca1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsullivan.ns.cloudflare.com
A2803:f800:50::6ca2:c3a1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsullivan.ns.cloudflare.com
A2a06:98c1:50::ac40:23a1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsullivan.ns.cloudflare.com
A108.162.195.161🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsullivan.ns.cloudflare.com
A162.159.44.161Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsullivan.ns.cloudflare.com
A172.64.35.161🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsullivan.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute3.mx.cloudflare.net(8)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
MXroute1.mx.cloudflare.net(43)
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.11.105, 172.67.148.196
IPv6 hints2606:4700:3030::ac43:94c4, 2606:4700:3036::6815:b69
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=249, name=cloudflare-ech.com
SOAceline.ns.cloudflare.comdns@cloudflare.com serial=2406662423

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1781545192

Same first word

knowledgebase.at
knowledgebase.ai
knowledgebase.cz
knowledgebase.ca
knowledgebase.biz
knowledgebase.us
knowledgebase.eu
knowledgebase.solutions
knowledgebase.info
knowledgebase.se
knowledgebase.nl
knowledgebase.nu
knowledgebase.tools
knowledgebase.expert
knowledgebase.com
knowledgebase.io
knowledgebase.co.in
knowledgebase.ie
knowledgebase.ru
knowledgebase.uk.com
knowledgebase.me
knowledgebase.org
knowledgebase.awsapps.com
knowledgebase.ch
knowledgebase.pro
knowledgebase.de
knowledgebase.productions
knowledgebase.net
knowledgebase.co

Similar names

baseknowledge.com
knolwedgebase.com

DNS History

20 records (9 active, 11 former)

201820192020202120222023202420252026NSceline.ns.cloudflare.comsullivan.ns.cloudflare.comben.ns.cloudflare.comgail.ns.cloudflare.comns1.dan.comns1.undeveloped.comns2.dan.comns2.undeveloped.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.11.105172.67.148.1962606:4700:3030::ac43:94c42606:4700:3036::6815:b6913.248.169.48180.179.212.102a05:d014:9da:8c10:306e:3e07:a16f:a55252.58.78.1676.223.54.146
○NSben.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:28:12
○ 2020-01-13 01:18:40
○ 2026-06-15 18:03:52
●NSceline.ns.cloudflare.com2026-04-19 → 2026-06-15 · 3 obs
○ 2026-04-06 00:51:00
● 2026-04-19 04:47:38
● 2026-06-15 18:03:52
○NSgail.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:28:12
○ 2020-01-13 01:18:40
○ 2026-06-15 18:03:52
○NSns1.dan.com2026-03-23 → 2026-04-06 · 5 obs
○ 2020-01-13 01:18:40
● 2026-03-23 18:15:52
● 2026-04-06 00:51:00
○ 2026-04-19 04:47:38
○ 2026-06-15 18:03:52
○NSns1.undeveloped.com2020-01-13 → 2026-04-06 · 5 obs
○ 2017-03-16 16:28:12
● 2020-01-13 01:18:40
● 2026-04-06 00:51:00
○ 2026-04-19 04:47:38
○ 2026-06-15 18:03:52
○NSns2.dan.com2026-03-23 → 2026-04-06 · 5 obs
○ 2020-01-13 01:18:40
● 2026-03-23 18:15:52
● 2026-04-06 00:51:00
○ 2026-04-19 04:47:38
○ 2026-06-15 18:03:52
○NSns2.undeveloped.com2020-01-13 → 2026-04-06 · 5 obs
○ 2017-03-16 16:28:12
● 2020-01-13 01:18:40
● 2026-04-06 00:51:00
○ 2026-04-19 04:47:38
○ 2026-06-15 18:03:52
●NSsullivan.ns.cloudflare.com2026-04-19 → 2026-06-15 · 3 obs
○ 2026-04-06 00:51:00
● 2026-04-19 04:47:38
● 2026-06-15 18:03:52
●MXroute1.mx.cloudflare.net2026-04-19 → 2026-06-15 · 2 obs
● 2026-04-19 04:47:38
● 2026-06-15 18:03:52
●MXroute2.mx.cloudflare.net2026-04-19 → 2026-06-15 · 2 obs
● 2026-04-19 04:47:38
● 2026-06-15 18:03:52
●MXroute3.mx.cloudflare.net2026-04-19 → 2026-06-15 · 2 obs
● 2026-04-19 04:47:38
● 2026-06-15 18:03:52
●A104.21.11.1052026-04-19 → 2026-06-15 · 3 obs
○ 2026-04-06 00:51:00
● 2026-04-19 04:47:38
● 2026-06-15 18:03:52
○A13.248.169.482026-03-23 → 2026-04-06 · 5 obs
○ 2020-01-13 01:18:40
● 2026-03-23 18:15:52
● 2026-04-06 00:51:00
○ 2026-04-19 04:47:38
○ 2026-06-15 18:03:52
●A172.67.148.1962026-04-19 → 2026-06-15 · 3 obs
○ 2026-04-06 00:51:00
● 2026-04-19 04:47:38
● 2026-06-15 18:03:52
○A180.179.212.102017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:28:12
○ 2020-01-13 01:18:40
○ 2026-06-15 18:03:52
●A2606:4700:3030::ac43:94c42026-04-19 → 2026-06-15 · 3 obs
○ 2026-04-06 00:51:00
● 2026-04-19 04:47:38
● 2026-06-15 18:03:52
●A2606:4700:3036::6815:b692026-04-19 → 2026-06-15 · 3 obs
○ 2026-04-06 00:51:00
● 2026-04-19 04:47:38
● 2026-06-15 18:03:52
○A2a05:d014:9da:8c10:306e:3e07:a16f:a5522020-01-13 → 2020-01-13 · 4 obs
○ 2017-03-16 16:28:12
● 2020-01-13 01:18:40
○ 2026-03-23 18:15:52
○ 2026-06-15 18:03:52
○A52.58.78.162020-01-13 → 2020-01-13 · 4 obs
○ 2017-03-16 16:28:12
● 2020-01-13 01:18:40
○ 2026-03-23 18:15:52
○ 2026-06-15 18:03:52
○A76.223.54.1462026-03-23 → 2026-04-06 · 5 obs
○ 2020-01-13 01:18:40
● 2026-03-23 18:15:52
● 2026-04-06 00:51:00
○ 2026-04-19 04:47:38
○ 2026-06-15 18:03:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
knowledgebase.iosullivan.ns.cloudflare.com, celine.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.98

NS records: sullivan.ns.cloudflare.com, celine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgebase.io (unsigned zone)

⏱️ Timing

Total: 719ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.11.105, 172.67.148.196
AAAA22606:4700:3030::ac43:94c4, 2606:4700:3036::6815:b69
NS2celine.ns.cloudflare.com, sullivan.ns.cloudflare.com
MX3route2.mx.cloudflare.net (pri: 4), route1.mx.cloudflare.net (pri: 43)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1celine.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

knowledgebase.io points to the four IP addresses 104.21.11.105, 172.67.148.196, 2606:4700:3030::ac43:94c4 and 2606:4700:3036::6815:b69.

Two other host names, along with free-cam.org, www.ambitiousmama.nl and becralovina.com, also share IP numbers with knowledgebase.io.

Name Servers

knowledgebase.io has two authoritative name servers — celine.ns.cloudflare.com and sullivan.ns.cloudflare.com.

knowledgebase.io shares its NS records with other domains, for example 666e3.com, confighq.com, emlynellisaddison.com and two others.

The name servers of knowledgebase.io overlap at least partially with those of other domains — among them thewilliamsburggroup.com, sodo3839.com, poppgjogos.com and two more.

The name servers dahlia.ns.cloudflare.com, miles.ns.cloudflare.com and nitin.ns.cloudflare.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

celine.ns.cloudflare.com points to 108.162.194.98, 162.159.38.98, 172.64.34.98 and 3 other IP addresses.

sullivan.ns.cloudflare.com points to 108.162.195.161, 162.159.44.161, 172.64.35.161 and 3 other IP addresses.

Mail Servers

Mail for knowledgebase.io is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between knowledgebase.io and other domains, including raydium-exchange.net, bai.pp.ua, weerslag.be and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.