lessonboard.us - robtex.com

lessonboard.us

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:5722🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ⚠ Not in HTTPS hints
A2606:4700:3037::ac43:8c72🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ⚠ Not in HTTPS hints
A104.21.87.34Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ⚠ Not in HTTPS hints
A172.67.140.114🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ⚠ Not in HTTPS hints
NSaaden.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c5c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaden.ns.cloudflare.com
A2803:f800:50::6ca2:c35c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaaden.ns.cloudflare.com
A2a06:98c1:50::ac40:235c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaaden.ns.cloudflare.com
A108.162.195.92🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaden.ns.cloudflare.com
A162.159.44.92Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaden.ns.cloudflare.com
A172.64.35.92🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaden.ns.cloudflare.com
NSmacy.ns.cloudflare.com
A2606:4700:50::a29f:264e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A2803:f800:50::6ca2:c24e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmacy.ns.cloudflare.com
A2a06:98c1:50::ac40:224e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmacy.ns.cloudflare.com
A108.162.194.78🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A162.159.38.78Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A172.64.34.78🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ⚠ 4 unhinted📌 2 extra
IPv4172.64.80.1
IPv62606:4700:130:436c:6f75:6466:6c61:7265
SOAaaden.ns.cloudflare.comdns@cloudflare.com serial=2398059583

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1773555288

Same first word

lessonboard.org
lessonboard.com
lessonboard.in
lessonboard.us

Similar names

losbanderos.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSaaden.ns.cloudflare.commacy.ns.cloudflare.comns07.domaincontrol.comns08.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA104.21.87.34172.67.140.1142606:4700:3031::6815:57222606:4700:3037::ac43:8c72172.64.80.1184.168.221.652606:4700:130:436c:6f75:6466:6c61:726550.63.202.16
●NSaaden.ns.cloudflare.com2026-02-15 → 2026-03-23 · 3 obs
○ 2016-09-17 12:43:26
● 2026-02-15 10:37:26
● 2026-03-23 04:55:40
●NSmacy.ns.cloudflare.com2026-02-15 → 2026-03-23 · 3 obs
○ 2016-09-17 12:43:26
● 2026-02-15 10:37:26
● 2026-03-23 04:55:40
○NSns07.domaincontrol.com2015-08-20 → 2016-03-14 · 4 obs
● 2015-08-20 10:36:16
● 2016-03-14 23:39:38
○ 2016-09-17 12:43:26
○ 2026-03-23 04:55:40
○NSns08.domaincontrol.com2015-08-20 → 2016-03-14 · 4 obs
● 2015-08-20 10:36:16
● 2016-03-14 23:39:38
○ 2016-09-17 12:43:26
○ 2026-03-23 04:55:40
○MXmailstore1.secureserver.net2015-08-20 → 2016-03-14 · 4 obs
● 2015-08-20 10:36:16
● 2016-03-14 23:39:38
○ 2016-09-17 12:43:26
○ 2026-03-23 04:55:40
○MXsmtp.secureserver.net2015-08-20 → 2016-03-14 · 4 obs
● 2015-08-20 10:36:16
● 2016-03-14 23:39:38
○ 2016-09-17 12:43:26
○ 2026-03-23 04:55:40
●A104.21.87.342026-02-15 → 2026-03-23 · 15 obs
○ 2016-09-17 12:43:26
● 2026-02-15 10:37:26
● 2026-02-15 23:19:32
○ 2026-02-16 06:40:56
● 2026-02-16 09:57:08
● 2026-02-16 14:51:54
○ 2026-02-16 21:17:26
● 2026-02-16 21:50:50
● 2026-02-17 03:52:34
○ 2026-02-17 10:31:42
● 2026-02-17 11:21:24
● 2026-02-20 00:55:24
○ 2026-02-20 07:20:28
● 2026-02-20 11:35:04
● 2026-03-23 04:55:40
○A172.64.80.12026-02-16 → 2026-02-20 · 13 obs
○ 2026-02-15 23:19:32
● 2026-02-16 06:40:56
○ 2026-02-16 09:57:08
○ 2026-02-16 14:51:54
● 2026-02-16 21:17:26
○ 2026-02-16 21:50:50
○ 2026-02-17 03:52:34
● 2026-02-17 10:31:42
○ 2026-02-17 11:21:24
○ 2026-02-20 00:55:24
● 2026-02-20 07:20:28
○ 2026-02-20 11:35:04
○ 2026-03-23 04:55:40
●A172.67.140.1142026-02-15 → 2026-03-23 · 15 obs
○ 2016-09-17 12:43:26
● 2026-02-15 10:37:26
● 2026-02-15 23:19:32
○ 2026-02-16 06:40:56
● 2026-02-16 09:57:08
● 2026-02-16 14:51:54
○ 2026-02-16 21:17:26
● 2026-02-16 21:50:50
● 2026-02-17 03:52:34
○ 2026-02-17 10:31:42
● 2026-02-17 11:21:24
● 2026-02-20 00:55:24
○ 2026-02-20 07:20:28
● 2026-02-20 11:35:04
● 2026-03-23 04:55:40
○A184.168.221.652016-03-14 → 2016-03-14 · 4 obs
○ 2015-12-13 06:15:56
● 2016-03-14 23:39:38
○ 2016-09-17 12:43:26
○ 2026-03-23 04:55:40
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-16 → 2026-02-20 · 12 obs
○ 2026-02-16 14:51:54
● 2026-02-16 21:17:26
○ 2026-02-16 21:50:50
● 2026-02-16 23:20:24
○ 2026-02-17 03:52:34
○ 2026-02-20 00:55:24
● 2026-02-20 07:20:28
○ 2026-02-20 11:35:04
○ 2026-02-20 14:42:42
● 2026-02-20 18:30:44
○ 2026-02-21 01:40:08
○ 2026-03-23 04:55:40
●A2606:4700:3031::6815:57222026-02-15 → 2026-03-23 · 14 obs
○ 2016-09-17 12:43:26
● 2026-02-15 10:37:26
● 2026-02-16 14:51:54
○ 2026-02-16 21:17:26
● 2026-02-16 21:50:50
○ 2026-02-16 23:20:24
● 2026-02-17 03:52:34
● 2026-02-20 00:55:24
○ 2026-02-20 07:20:28
● 2026-02-20 11:35:04
● 2026-02-20 14:42:42
○ 2026-02-20 18:30:44
● 2026-02-21 01:40:08
● 2026-03-23 04:55:40
●A2606:4700:3037::ac43:8c722026-02-15 → 2026-03-23 · 14 obs
○ 2016-09-17 12:43:26
● 2026-02-15 10:37:26
● 2026-02-16 14:51:54
○ 2026-02-16 21:17:26
● 2026-02-16 21:50:50
○ 2026-02-16 23:20:24
● 2026-02-17 03:52:34
● 2026-02-20 00:55:24
○ 2026-02-20 07:20:28
● 2026-02-20 11:35:04
● 2026-02-20 14:42:42
○ 2026-02-20 18:30:44
● 2026-02-21 01:40:08
● 2026-03-23 04:55:40
○A50.63.202.162015-08-20 → 2015-12-13 · 4 obs
● 2015-08-20 10:36:16
● 2015-12-13 06:15:56
○ 2016-03-14 23:39:38
○ 2026-03-23 04:55:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, n.cctld.us, w.cctld.us...-
lessonboard.usmacy.ns.cloudflare.com, aaden.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.78

NS records: macy.ns.cloudflare.com, aaden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lessonboard.us (unsigned zone)

⏱️ Timing

Total: 335ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.140.114, 104.21.87.34
AAAA12606:4700:130:436c:6f75:6466:6c61:7265
NS2aaden.ns.cloudflare.com, macy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1aaden.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

lessonboard.us points to four IP numbers: 2606:4700:3031::6815:5722, 2606:4700:3037::ac43:8c72, 104.21.87.34 and 172.67.140.114.

Other host names including china325.com, unsite.fr, artspaceinteriors.co.uk, geniodellostreaming.top and ipmate.com.br share IP numbers with lessonboard.us.

Name Servers

lessonboard.us's delegation uses two name servers, aaden.ns.cloudflare.com and macy.ns.cloudflare.com.

lessonboard.us shares the same name server setup as other domains, for example 7x7cajalosandes.cl, ligasuperior.cl, coblentzplumbing.com, edujojo.world and 030818.xyz.

lessonboard.us at least partially shares name servers with other domains, including cryptochainhelp.info, remembersegregation.org, 72886gg.com, alshathri.sa and xbr.me.

these name servers are commonly used together with brenna.ns.cloudflare.com, val.ns.cloudflare.com and lina.ns.cloudflare.com.

Host names with six IP numbers:

aaden.ns.cloudflare.com points to: 2606:4700:58::a29f:2c5c, 2803:f800:50::6ca2:c35c, 2a06:98c1:50::ac40:235c, 108.162.195.92, 162.159.44.92 and 172.64.35.92.

macy.ns.cloudflare.com points to: 2606:4700:50::a29f:264e, 2803:f800:50::6ca2:c24e, 2a06:98c1:50::ac40:224e, 108.162.194.78, 162.159.38.78 and 172.64.34.78.