letknow.com - robtex.com

letknow.com

DNSSEC⚠️ Not signed
A20.4.244.223🇳🇱 Microsoft20.0.0.0/11 MICROSOFT
NSdamien.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ca8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
A2803:f800:50::6ca2:c3a8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdamien.ns.cloudflare.com
A2a06:98c1:50::ac40:23a8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdamien.ns.cloudflare.com
A108.162.195.168🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
A162.159.44.168Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
A172.64.35.168🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
NSlara.ns.cloudflare.com
A2606:4700:50::adf5:3a80🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
A2803:f800:50::6ca2:c080🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlara.ns.cloudflare.com
A2a06:98c1:50::ac40:2080🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlara.ns.cloudflare.com
A108.162.192.128🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
A172.64.32.128🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
A173.245.58.128🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c23::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadrs-in-f27.1e100.net
A64.233.180.26🇺🇸 Google64.233.180.0/24
PTRon-in-f26.1e100.net
PTRpe-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
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
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-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
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXT5hh6vd9r1jdfwlx2gbc26g25fn3pdxx4
TXTMS=ms56992505
TXTThis is to verify domain is owned by LetKnow OÜ
TXTatlassian-domain-verification=XU/44h0UT/ZLcF9d8nJrkfeKf97zmmE8nDYTNUfBKVXlN8v...
TXTgoogle-site-verification=N0gLztaxo4EmgY63I3eow32PivwA2N1PTpRdiVAG3mU
TXTrgm965k3xdvn6cz7qxb6f5txyxksk5v3
TXTvg4jk2nczx12zxm7215z7jl5pyq3dgc7
SOAdamien.ns.cloudflare.comdns@cloudflare.com serial=2403633147

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=1778395406

Same first word

letknow.news
letknow.com
letknow.shop

Similar names

teknowl.net
knowtel.com
wolknet.eu
wltoken.com
lwtoken.com
netwolk.ch
knowlet.me
wolknet.in
konwelt.com
kentlow.com
kenwolt.com
nltwoek.casa
teknowl.com
knowlet.com
netwolk.com
wolknet.com
knowtel.cn
netwolk.net
knowlet.info
knowlet.net
knowtle.com

DNS History

28 records (8 active, 20 former)

20162017201820192020202120222023202420252026NSdamien.ns.cloudflare.comlara.ns.cloudflare.comns1.namebrightdns.comns1.whois.comns2.namebrightdns.comns2.whois.comns3.whois.comns4.whois.comnsg1.namebrightdns.comnsg2.namebrightdns.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comanmail.namebrightmail.comA20.4.244.22346.165.219.23252.200.243.12352.54.132.8354.152.144.24354.174.31.25454.208.74.21554.209.90.8154.85.54.2954.88.107.140CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.comhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com
●NSdamien.ns.cloudflare.com2026-05-02 → 2026-05-10 · 3 obs
○ 2018-09-09 09:21:50
● 2026-05-02 04:35:26
● 2026-05-10 07:00:04
●NSlara.ns.cloudflare.com2026-05-02 → 2026-05-10 · 3 obs
○ 2018-09-09 09:21:50
● 2026-05-02 04:35:26
● 2026-05-10 07:00:04
○NSns1.namebrightdns.com2015-06-03 → 2017-02-04 · 7 obs
● 2015-06-03 18:29:58
● 2015-11-09 05:43:02
○ 2016-01-26 22:59:52
○ 2016-05-06 10:18:18
● 2017-02-04 20:00:04
○ 2018-09-09 09:21:50
○ 2026-05-10 07:00:04
○NSns1.whois.com2018-09-09 → 2018-09-09 · 4 obs
○ 2017-02-04 20:00:04
● 2018-09-09 09:21:50
○ 2026-05-02 04:35:26
○ 2026-05-10 07:00:04
○NSns2.namebrightdns.com2015-06-03 → 2017-02-04 · 4 obs
● 2015-06-03 18:29:58
● 2017-02-04 20:00:04
○ 2018-09-09 09:21:50
○ 2026-05-10 07:00:04
○NSns2.whois.com2018-09-09 → 2018-09-09 · 4 obs
○ 2017-02-04 20:00:04
● 2018-09-09 09:21:50
○ 2026-05-02 04:35:26
○ 2026-05-10 07:00:04
○NSns3.whois.com2018-09-09 → 2018-09-09 · 4 obs
○ 2017-02-04 20:00:04
● 2018-09-09 09:21:50
○ 2026-05-02 04:35:26
○ 2026-05-10 07:00:04
○NSns4.whois.com2018-09-09 → 2018-09-09 · 4 obs
○ 2017-02-04 20:00:04
● 2018-09-09 09:21:50
○ 2026-05-02 04:35:26
○ 2026-05-10 07:00:04
○NSnsg1.namebrightdns.com2016-05-06 → 2016-05-06 · 4 obs
○ 2016-01-26 22:59:52
● 2016-05-06 10:18:18
○ 2017-02-04 20:00:04
○ 2026-05-10 07:00:04
○NSnsg2.namebrightdns.com2016-01-26 → 2016-01-26 · 4 obs
○ 2015-11-09 05:43:02
● 2016-01-26 22:59:52
○ 2016-05-06 10:18:18
○ 2026-05-10 07:00:04
●MXalt1.aspmx.l.google.com2018-09-09 → 2026-05-10 · 3 obs
○ 2015-11-09 05:43:02
● 2018-09-09 09:21:50
● 2026-05-10 07:00:04
●MXalt2.aspmx.l.google.com2018-09-09 → 2026-05-10 · 3 obs
○ 2015-11-09 05:43:02
● 2018-09-09 09:21:50
● 2026-05-10 07:00:04
●MXalt3.aspmx.l.google.com2018-09-09 → 2026-05-10 · 3 obs
○ 2015-11-09 05:43:02
● 2018-09-09 09:21:50
● 2026-05-10 07:00:04
●MXalt4.aspmx.l.google.com2018-09-09 → 2026-05-10 · 3 obs
○ 2015-11-09 05:43:02
● 2018-09-09 09:21:50
● 2026-05-10 07:00:04
○MXanmail.namebrightmail.com2015-06-03 → 2015-06-03 · 3 obs
● 2015-06-03 18:29:58
○ 2015-11-09 05:43:02
○ 2026-05-10 07:00:04
●MXaspmx.l.google.com2018-09-09 → 2026-05-10 · 3 obs
○ 2015-11-09 05:43:02
● 2018-09-09 09:21:50
● 2026-05-10 07:00:04
●A20.4.244.2232026-05-02 → 2026-05-10 · 3 obs
○ 2018-09-09 09:21:50
● 2026-05-02 04:35:26
● 2026-05-10 07:00:04
○A46.165.219.2322018-09-09 → 2018-09-09 · 4 obs
○ 2017-02-04 20:00:04
● 2018-09-09 09:21:50
○ 2026-05-02 04:35:26
○ 2026-05-10 07:00:04
○A52.200.243.1232016-05-06 → 2016-05-06 · 4 obs
○ 2016-01-26 22:59:52
● 2016-05-06 10:18:18
○ 2017-02-04 20:00:04
○ 2026-05-10 07:00:04
○A52.54.132.832017-02-04 → 2017-02-04 · 4 obs
○ 2016-05-06 10:18:18
● 2017-02-04 20:00:04
○ 2018-09-09 09:21:50
○ 2026-05-10 07:00:04
○A54.152.144.2432016-05-06 → 2016-05-06 · 4 obs
○ 2016-01-26 22:59:52
● 2016-05-06 10:18:18
○ 2017-02-04 20:00:04
○ 2026-05-10 07:00:04
○A54.174.31.2542015-06-03 → 2015-11-09 · 4 obs
● 2015-06-03 18:29:58
● 2015-11-09 05:43:02
○ 2016-01-26 22:59:52
○ 2026-05-10 07:00:04
○A54.208.74.2152015-06-03 → 2015-11-09 · 4 obs
● 2015-06-03 18:29:58
● 2015-11-09 05:43:02
○ 2016-01-26 22:59:52
○ 2026-05-10 07:00:04
○A54.209.90.812016-01-26 → 2016-01-26 · 4 obs
○ 2015-11-09 05:43:02
● 2016-01-26 22:59:52
○ 2016-05-06 10:18:18
○ 2026-05-10 07:00:04
○A54.85.54.292016-01-26 → 2016-01-26 · 4 obs
○ 2015-11-09 05:43:02
● 2016-01-26 22:59:52
○ 2016-05-06 10:18:18
○ 2026-05-10 07:00:04
○A54.88.107.1402017-02-04 → 2017-02-04 · 4 obs
○ 2016-05-06 10:18:18
● 2017-02-04 20:00:04
○ 2018-09-09 09:21:50
○ 2026-05-10 07:00:04
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-06-03 → 2016-05-06 · 4 obs
● 2015-06-03 18:29:58
● 2016-05-06 10:18:18
○ 2017-02-04 20:00:04
○ 2026-05-10 07:00:04
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-02-04 → 2017-02-04 · 4 obs
○ 2016-05-06 10:18:18
● 2017-02-04 20:00:04
○ 2018-09-09 09:21:50
○ 2026-05-10 07:00:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
letknow.comlara.ns.cloudflare.com, damien.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.128

NS records: lara.ns.cloudflare.com, damien.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letknow.com (unsigned zone)

⏱️ Timing

Total: 255ms | Queries: -

📄 Records

TypeCountSample Data
A120.4.244.223
NS2damien.ns.cloudflare.com, lara.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT75hh6vd9r1jdfwlx2gbc26g25fn3pdxx4, MS=ms56992505...
SOA1damien.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

letknow.com resolves to a single IP: 20.4.244.223.

Other host names, for instance askeys.co.uk, skoglab.net, custo.nl, primax.dk and barokha.com share IP numbers with letknow.com.

Name Servers

letknow.com has two name servers: damien.ns.cloudflare.com and lara.ns.cloudflare.com.

letknow.com shares the same name server setup as other domains, for example dichvuvisa.vn, gorzel.ru, jhbc.edu, asimic.com and tapchithue.com.

letknow.com shares some name servers with other domains, for example trends.com.cy, hirschmann.email, nolimited.space, dealradar.de and rara.jp.

These name servers are commonly used with the name servers adi.ns.cloudflare.com.

Host names with six IP numbers: damien.ns.cloudflare.com points to: 2606:4700:58::a29f:2ca8, 2803:f800:50::6ca2:c3a8, 2a06:98c1:50::ac40:23a8, 108.162.195.168, 162.159.44.168 and 172.64.35.168; lara.ns.cloudflare.com points to: 2606:4700:50::adf5:3a80, 2803:f800:50::6ca2:c080, 2a06:98c1:50::ac40:2080, 108.162.192.128, 172.64.32.128 and 173.245.58.128.

Mail Servers

letknow.com is handled by five mail servers: 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.

letknow.com shares some mail servers with other domains, at least partially; for instance ns500731.ns500742.ns500731.ns500671.ns500742.ns500742.ns500671.ns500671.ns500671.ns500649.ns500649.ns500291.ns500131.lustychickser.com, ns500698.ns500758.ns500698.ns500698.ns500698.ns500736.ns500698.ns500736.ns500708.ns500576.ns500698.ns500708.ns500708.ns500619.ns500576.ns500619.ns500619.trackreceptor.com, ns500759.ns500759.ns500736.ns500735.ns500735.ns500735.ns500736.ns500698.ns500736.ns500576.ns500698.ns500652.ns500619.trackreceptor.com, ns500759.ns500698.ns500759.ns500759.ns500736.ns500698.ns500576.ns500698.ns500698.ns500708.ns500686.ns500576.ns500652.ns500652.ns500652.ns500619.ns500652.tracksymphony.com and ns500671.ns500754.ns500754.ns500704.ns500742.ns500678.ns500688.ns500649.ns500678.ns500666.ns500653.ns500153.tenderladiesbz.com.

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

Host names with two IPs:

Host aspmx.l.google.com has IPs 2607:f8b0:4004:c23::1b and 64.233.180.26.

Host alt1.aspmx.l.google.com has IPs 2800:3f0:4003:c0f::1a and 108.177.123.26.

Host alt2.aspmx.l.google.com has IPs 2607:f8b0:4023:3003::1a and 172.253.145.27.

Host alt3.aspmx.l.google.com has IPs 2a00:1450:4009:c0f::1b and 192.178.223.27.

Host alt4.aspmx.l.google.com has IPs 2a00:1450:400c:c00::1b and 173.194.76.26.