llvscourses.org - robtex.com

llvscourses.org

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:1d50🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:ab6c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.29.80Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.171.108🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrit.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a4e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrit.ns.cloudflare.com
A2803:f800:50::6ca2:c04e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrit.ns.cloudflare.com
A2a06:98c1:50::ac40:204e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrit.ns.cloudflare.com
A108.162.192.78🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrit.ns.cloudflare.com
A172.64.32.78🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrit.ns.cloudflare.com
A173.245.58.78🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrit.ns.cloudflare.com
NSleo.ns.cloudflare.com
A2606:4700:58::a29f:2cf1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
A2803:f800:50::6ca2:c3f1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleo.ns.cloudflare.com
A2a06:98c1:50::ac40:23f1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleo.ns.cloudflare.com
A108.162.195.241🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
A162.159.44.241Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
A172.64.35.241🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.29.80, 172.67.171.108
IPv6 hints2606:4700:3037::6815:1d50, 2606:4700:3037::ac43:ab6c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=73, name=cloudflare-ech.com
SOAbrit.ns.cloudflare.comdns@cloudflare.com serial=2399715164

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=1776194302

Same first word

llvscourses.org
llvscourses.com

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSbrit.ns.cloudflare.comleo.ns.cloudflare.comdns.iu13.netiuhqvdns002.hq.iu13.localns1.iu13.orgns2.iu13.orgA104.21.29.80172.67.171.1082606:4700:3037::6815:1d502606:4700:3037::ac43:ab6c172.64.80.1208.67.121.245
●NSbrit.ns.cloudflare.com2026-02-16 → 2026-04-14 · 3 obs
○ 2017-02-02 01:52:32
● 2026-02-16 07:59:36
● 2026-04-14 19:55:32
○NSdns.iu13.net2017-02-02 → 2017-02-02 · 4 obs
○ 2016-05-26 13:43:26
● 2017-02-02 01:52:32
○ 2026-02-16 07:59:36
○ 2026-04-14 19:55:32
○NSiuhqvdns002.hq.iu13.local2015-07-21 → 2016-05-26 · 4 obs
● 2015-07-21 13:12:08
● 2016-05-26 13:43:26
○ 2017-02-02 01:52:32
○ 2026-04-14 19:55:32
●NSleo.ns.cloudflare.com2026-02-16 → 2026-04-14 · 3 obs
○ 2017-02-02 01:52:32
● 2026-02-16 07:59:36
● 2026-04-14 19:55:32
○NSns1.iu13.org2015-07-21 → 2017-02-02 · 4 obs
● 2015-07-21 13:12:08
● 2017-02-02 01:52:32
○ 2026-02-16 07:59:36
○ 2026-04-14 19:55:32
○NSns2.iu13.org2015-07-21 → 2017-02-02 · 4 obs
● 2015-07-21 13:12:08
● 2017-02-02 01:52:32
○ 2026-02-16 07:59:36
○ 2026-04-14 19:55:32
●A104.21.29.802026-02-16 → 2026-04-14 · 6 obs
○ 2017-02-02 01:52:32
● 2026-02-16 07:59:36
● 2026-02-17 08:32:06
○ 2026-03-01 10:44:18
● 2026-03-22 04:41:40
● 2026-04-14 19:55:32
○A172.64.80.12026-03-01 → 2026-03-01 · 4 obs
○ 2026-02-17 08:32:06
● 2026-03-01 10:44:18
○ 2026-03-22 04:41:40
○ 2026-04-14 19:55:32
●A172.67.171.1082026-02-16 → 2026-04-14 · 6 obs
○ 2017-02-02 01:52:32
● 2026-02-16 07:59:36
● 2026-02-17 08:32:06
○ 2026-03-01 10:44:18
● 2026-03-22 04:41:40
● 2026-04-14 19:55:32
○A208.67.121.2452015-07-21 → 2017-02-02 · 4 obs
● 2015-07-21 13:12:08
● 2017-02-02 01:52:32
○ 2026-02-16 07:59:36
○ 2026-04-14 19:55:32
●A2606:4700:3037::6815:1d502026-02-16 → 2026-04-14 · 3 obs
○ 2017-02-02 01:52:32
● 2026-02-16 07:59:36
● 2026-04-14 19:55:32
●A2606:4700:3037::ac43:ab6c2026-02-16 → 2026-04-14 · 3 obs
○ 2017-02-02 01:52:32
● 2026-02-16 07:59:36
● 2026-04-14 19:55:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
llvscourses.orgbrit.ns.cloudflare.com, leo.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.241

NS records: brit.ns.cloudflare.com, leo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for llvscourses.org (unsigned zone)

⏱️ Timing

Total: 383ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.171.108, 104.21.29.80
AAAA22606:4700:3037::6815:1d50, 2606:4700:3037::ac43:ab6c
NS2brit.ns.cloudflare.com, leo.ns.cloudflare.com
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brit.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

llvscourses.org maps to four IP numbers: 2606:4700:3037::6815:1d50, 2606:4700:3037::ac43:ab6c, 104.21.29.80 and 172.67.171.108.

other host names include offenderrecords.org, www.highreachingsolutions.co.uk, blog.ferramentaseo.com, cchere.net and goseamarine.com; they share IP numbers with llvscourses.org.

Name Servers

Two name servers brit.ns.cloudflare.com and leo.ns.cloudflare.com handle the delegation for llvscourses.org.

llvscourses.org shares the same name server setup as other domains, for instance thryvolanari.org, imsjd.com, luranthivexa.org, qelarthonuvia.org and aureliqnovae.org.

llvscourses.org at least partially shares name servers with other domains, for instance tradeonlytoday.com, appytics.com, ytseooptimize.store, ca-ndy.com and pepechicken.fr.

These name servers are commonly used alongside erin.ns.cloudflare.com.

Six IP addresses per host:

brit.ns.cloudflare.com points to 2606:4700:50::adf5:3a4e, 2803:f800:50::6ca2:c04e, 2a06:98c1:50::ac40:204e, 108.162.192.78, 172.64.32.78 and 173.245.58.78; leo.ns.cloudflare.com points to 2606:4700:58::a29f:2cf1, 2803:f800:50::6ca2:c3f1, 2a06:98c1:50::ac40:23f1, 108.162.195.241, 162.159.44.241 and 172.64.35.241