knowkr.com - robtex.com

knowkr.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:330e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d8a0🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.51.14Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.160🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlars.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bc3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlars.ns.cloudflare.com
A2803:f800:50::6ca2:c1c3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlars.ns.cloudflare.com
A2a06:98c1:50::ac40:21c3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlars.ns.cloudflare.com
A108.162.193.195🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlars.ns.cloudflare.com
A172.64.33.195🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlars.ns.cloudflare.com
A173.245.59.195🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlars.ns.cloudflare.com
NSlila.ns.cloudflare.com
A2606:4700:50::adf5:3aba🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A2803:f800:50::6ca2:c0ba🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlila.ns.cloudflare.com
A2a06:98c1:50::ac40:20ba🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlila.ns.cloudflare.com
A108.162.192.186🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A172.64.32.186🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A173.245.58.186🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1d::1b🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f27.1e100.net
A172.253.63.27🇺🇸 Google172.253.63.0/24
PTRbi-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTgoogle-site-verification=81QeMXYFPF0Qw-Ha0D33WaznfmbObijrH3wCgj2Ie-w
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.51.14, 172.67.216.160
IPv6 hints2606:4700:3030::6815:330e, 2606:4700:3037::ac43:d8a0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=73, name=cloudflare-ech.com
SOAlars.ns.cloudflare.comdns@cloudflare.com serial=2400512545

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=1775984962

Same first word

knowkr.com

DNS History

15 records (11 active, 4 former)

NSlars.ns.cloudflare.comlila.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.51.14172.67.216.1602606:4700:3030::6815:330e2606:4700:3037::ac43:d8a0188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSlars.ns.cloudflare.com2026-02-15 → 2026-04-12 · 2 obs
● 2026-02-15 05:36:24
● 2026-04-12 09:38:12
●NSlila.ns.cloudflare.com2026-02-15 → 2026-04-12 · 2 obs
● 2026-02-15 05:36:24
● 2026-04-12 09:38:12
●MXalt1.aspmx.l.google.com2026-02-15 → 2026-04-12 · 2 obs
● 2026-02-15 05:36:24
● 2026-04-12 09:38:12
●MXalt2.aspmx.l.google.com2026-02-15 → 2026-04-12 · 2 obs
● 2026-02-15 05:36:24
● 2026-04-12 09:38:12
●MXalt3.aspmx.l.google.com2026-02-15 → 2026-04-12 · 2 obs
● 2026-02-15 05:36:24
● 2026-04-12 09:38:12
●MXalt4.aspmx.l.google.com2026-02-15 → 2026-04-12 · 2 obs
● 2026-02-15 05:36:24
● 2026-04-12 09:38:12
●MXaspmx.l.google.com2026-02-15 → 2026-04-12 · 2 obs
● 2026-02-15 05:36:24
● 2026-04-12 09:38:12
●A104.21.51.142026-02-15 → 2026-04-12 · 46 obs
○ 2026-02-15 17:13:16
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○ 2026-04-09 00:41:48
○ 2026-04-12 07:20:06
● 2026-04-12 09:38:12
●A172.67.216.1602026-02-15 → 2026-04-12 · 46 obs
○ 2026-02-15 17:13:16
● 2026-02-15 21:07:08
○ 2026-02-16 04:47:34
○ 2026-02-16 09:13:28
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○ 2026-04-09 00:41:48
○ 2026-04-12 07:20:06
● 2026-04-12 09:38:12
○A188.114.96.02026-02-15 → 2026-04-12 · 47 obs
● 2026-02-15 05:36:24
● 2026-02-15 17:13:16
○ 2026-02-15 21:07:08
● 2026-02-16 04:47:34
● 2026-02-16 09:13:28
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● 2026-04-09 00:41:48
● 2026-04-12 07:20:06
○ 2026-04-12 09:38:12
○A188.114.97.02026-02-15 → 2026-04-12 · 47 obs
● 2026-02-15 05:36:24
● 2026-02-15 17:13:16
○ 2026-02-15 21:07:08
● 2026-02-16 04:47:34
● 2026-02-16 09:13:28
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● 2026-03-19 09:59:10
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● 2026-03-21 23:47:44
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● 2026-04-12 07:20:06
○ 2026-04-12 09:38:12
●A2606:4700:3030::6815:330e2026-02-15 → 2026-04-12 · 46 obs
○ 2026-02-15 17:13:16
● 2026-02-15 21:07:08
○ 2026-02-16 04:47:34
○ 2026-02-16 09:13:28
● 2026-02-16 21:06:54
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● 2026-04-12 09:38:12
●A2606:4700:3037::ac43:d8a02026-02-15 → 2026-04-12 · 46 obs
○ 2026-02-15 17:13:16
● 2026-02-15 21:07:08
○ 2026-02-16 04:47:34
○ 2026-02-16 09:13:28
● 2026-02-16 21:06:54
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○ 2026-04-12 07:20:06
● 2026-04-12 09:38:12
○A2a06:98c1:3120::2026-02-15 → 2026-04-12 · 47 obs
● 2026-02-15 05:36:24
● 2026-02-15 17:13:16
○ 2026-02-15 21:07:08
● 2026-02-16 04:47:34
● 2026-02-16 09:13:28
○ 2026-02-16 21:06:54
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● 2026-02-18 03:59:58
○ 2026-02-18 13:28:20
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● 2026-02-19 11:18:06
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● 2026-04-09 00:41:48
● 2026-04-12 07:20:06
○ 2026-04-12 09:38:12
○A2a06:98c1:3121::2026-02-15 → 2026-04-12 · 47 obs
● 2026-02-15 05:36:24
● 2026-02-15 17:13:16
○ 2026-02-15 21:07:08
● 2026-02-16 04:47:34
● 2026-02-16 09:13:28
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● 2026-04-09 00:41:48
● 2026-04-12 07:20:06
○ 2026-04-12 09:38:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...-
knowkr.comlars.ns.cloudflare.com, lila.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.195

NS records: lars.ns.cloudflare.com, lila.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowkr.com (unsigned zone)

⏱️ Timing

Total: 469ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.51.14, 172.67.216.160
AAAA22606:4700:3037::ac43:d8a0, 2606:4700:3030::6815:330e
NS2lars.ns.cloudflare.com, lila.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=81QeMXYFPF0Qw-H, v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1lars.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

knowkr.com points to four IP numbers: 2606:4700:3030::6815:330e, 2606:4700:3037::ac43:d8a0, 104.21.51.14 and 172.67.216.160.

Other host names, for instance shuyd5.net, stylinfix.com, forrestthewoods.com, mediservis.eu and xrooty.com share IP numbers with knowkr.com.

Name Servers

knowkr.com's delegation is to two name servers lars.ns.cloudflare.com and lila.ns.cloudflare.com.

knowkr.com shares the same name server configuration as other domains, such as veltrionaqes.sbs, luxreaders.com, luxreaders.de, morningchalkup.com and radianhost.com.

knowkr.com at least partially shares its name servers with other domains, for instance rpghq.org, bobhuisman.nl, omarali.us, xg0186.cc and waveradio.nl.

These name servers are commonly used alongside alexis.ns.cloudflare.com and bonnie.ns.cloudflare.com.

Host names with six IP numbers:

lars.ns.cloudflare.com points to: 2606:4700:58::adf5:3bc3, 2803:f800:50::6ca2:c1c3, 2a06:98c1:50::ac40:21c3, 108.162.193.195, 172.64.33.195 and 173.245.59.195.

lila.ns.cloudflare.com points to: 2606:4700:50::adf5:3aba, 2803:f800:50::6ca2:c0ba, 2a06:98c1:50::ac40:20ba, 108.162.192.186, 172.64.32.186 and 173.245.58.186.

Mail Servers

Five mail servers handle knowkr.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

knowkr.com shares some mail servers with other domains, including ns500737.ns500724.ns500599.ns500737.ns500724.ns500737.ns500737.ns500599.ns500724.ns500583.ns500583.ns500669.ns500583.yummyflingsfinder.com, ns500671.ns500742.ns500731.ns500704.ns500678.ns500705.ns500678.ns500678.ns500649.ns500649.ns500666.ns500142.lusty(0x736c7574)z.com, zoshan.com, deneyimymm.com and iss-lims.com.

these mail servers are often used alongside the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c1d::1b and 172.253.63.27.

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.27.

alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.27.

alt3.aspmx.l.google.com points to 2607:f8b0:4023:3003::1a and 172.253.145.27.

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27.