lessonsilearned.org - robtex.com

lessonsilearned.org

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:49b1🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:a49e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.177Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.164.158🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScesar.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c77🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcesar.ns.cloudflare.com
A2803:f800:50::6ca2:c377🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcesar.ns.cloudflare.com
A2a06:98c1:50::ac40:2377🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcesar.ns.cloudflare.com
A108.162.195.119🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcesar.ns.cloudflare.com
A162.159.44.119Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcesar.ns.cloudflare.com
A172.64.35.119🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcesar.ns.cloudflare.com
NSsydney.ns.cloudflare.com
A2606:4700:50::a29f:2666🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
A2803:f800:50::6ca2:c266🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsydney.ns.cloudflare.com
A2a06:98c1:50::ac40:2266🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsydney.ns.cloudflare.com
A108.162.194.102🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
A162.159.38.102Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
A172.64.34.102🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
TXTgoogle-site-verification=G2EzUBFsIRU1P9MrdnoSqhU1Q5MkGJoJbR1l1LzpV-k
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.177, 172.67.164.158
IPv6 hints2606:4700:3031::6815:49b1, 2606:4700:3037::ac43:a49e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=159, name=cloudflare-ech.com
SOAcesar.ns.cloudflare.comdns@cloudflare.com serial=2406685926

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1783348932

Subdomains

www.lessonsilearned.org

Same first word

lessonsilearned.net
lessonsilearned.org

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NScesar.ns.cloudflare.comsydney.ns.cloudflare.comart.ns.cloudflare.comlady.ns.cloudflare.comMXdc-d2dbf247.lessonsilearned.orgA104.21.73.177172.67.164.1582606:4700:3031::6815:49b12606:4700:3037::ac43:a49e104.27.152.37104.27.153.372400:cb00:2048:1::681b:98252400:cb00:2048:1::681b:9925
○NSart.ns.cloudflare.com2015-06-14 → 2016-12-29 · 4 obs
● 2015-06-14 02:27:54
● 2016-12-29 05:44:58
○ 2026-04-09 14:24:42
○ 2026-07-06 14:52:44
●NScesar.ns.cloudflare.com2026-04-09 → 2026-07-06 · 3 obs
○ 2016-12-29 05:44:58
● 2026-04-09 14:24:42
● 2026-07-06 14:52:44
○NSlady.ns.cloudflare.com2015-06-14 → 2016-12-29 · 4 obs
● 2015-06-14 02:27:54
● 2016-12-29 05:44:58
○ 2026-04-09 14:24:42
○ 2026-07-06 14:52:44
●NSsydney.ns.cloudflare.com2026-04-09 → 2026-07-06 · 3 obs
○ 2016-12-29 05:44:58
● 2026-04-09 14:24:42
● 2026-07-06 14:52:44
○MXdc-d2dbf247.lessonsilearned.org2015-06-14 → 2016-12-29 · 4 obs
● 2015-06-14 02:27:54
● 2016-12-29 05:44:58
○ 2026-04-09 14:24:42
○ 2026-07-06 14:52:44
●A104.21.73.1772026-04-09 → 2026-07-06 · 3 obs
○ 2016-12-29 05:44:58
● 2026-04-09 14:24:42
● 2026-07-06 14:52:44
○A104.27.152.372015-06-14 → 2016-12-29 · 4 obs
● 2015-06-14 02:27:54
● 2016-12-29 05:44:58
○ 2026-04-09 14:24:42
○ 2026-07-06 14:52:44
○A104.27.153.372015-06-14 → 2016-12-29 · 4 obs
● 2015-06-14 02:27:54
● 2016-12-29 05:44:58
○ 2026-04-09 14:24:42
○ 2026-07-06 14:52:44
●A172.67.164.1582026-04-09 → 2026-07-06 · 3 obs
○ 2016-12-29 05:44:58
● 2026-04-09 14:24:42
● 2026-07-06 14:52:44
○A2400:cb00:2048:1::681b:98252015-06-14 → 2016-12-29 · 4 obs
● 2015-06-14 02:27:54
● 2016-12-29 05:44:58
○ 2026-04-09 14:24:42
○ 2026-07-06 14:52:44
○A2400:cb00:2048:1::681b:99252015-06-14 → 2016-12-29 · 4 obs
● 2015-06-14 02:27:54
● 2016-12-29 05:44:58
○ 2026-04-09 14:24:42
○ 2026-07-06 14:52:44
●A2606:4700:3031::6815:49b12026-04-09 → 2026-07-06 · 3 obs
○ 2016-12-29 05:44:58
● 2026-04-09 14:24:42
● 2026-07-06 14:52:44
●A2606:4700:3037::ac43:a49e2026-04-09 → 2026-07-06 · 3 obs
○ 2016-12-29 05:44:58
● 2026-04-09 14:24:42
● 2026-07-06 14:52:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
lessonsilearned.orgcesar.ns.cloudflare.com, sydney.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.119

NS records: cesar.ns.cloudflare.com, sydney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lessonsilearned.org (unsigned zone)

⏱️ Timing

Total: 694ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.164.158, 104.21.73.177
AAAA22606:4700:3037::ac43:a49e, 2606:4700:3031::6815:49b1
NS2cesar.ns.cloudflare.com, sydney.ns.cloudflare.com
TXT1google-site-verification=G2EzUBFsIRU1P9M
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cesar.ns.cloudflare.com dns.cloudflare.c

Analysis

Hierarchy

www.lessonsilearned.org is a subdomain of lessonsilearned.org.

IP Addresses

lessonsilearned.org points to the four IP addresses 104.21.73.177, 172.67.164.158, 2606:4700:3031::6815:49b1 and 2606:4700:3037::ac43:a49e.

Two other host names, along with farmaciklara.al, ph1.vip and cybrsecsolutions.com, also share IP numbers with lessonsilearned.org.

Name Servers

DNS delegation for lessonsilearned.org points to two name servers: cesar.ns.cloudflare.com and sydney.ns.cloudflare.com.

lessonsilearned.org shares its NS records with other domains, for example syoukei.net, peggyshinner.com, theunicornintheroom.com and two others.

The name servers of lessonsilearned.org overlap at least partially with those of other domains — among them trezordiagnosedevice-ie.com, (0x62656567)now.com, freelancementors.com and two more.

These name servers commonly appear alongside the name servers kipp.ns.cloudflare.com and nelly.ns.cloudflare.com.

DNS names with 6 IP addresses:

cesar.ns.cloudflare.com has IP addresses 108.162.195.119, 162.159.44.119 and 172.64.35.119, plus 3 other.

sydney.ns.cloudflare.com has IP addresses 108.162.194.102, 162.159.38.102 and 172.64.34.102, plus 3 other.