`ns.course-notes.org`

DNSSEC

⚠️ Not signed

`course-notes.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:82e7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:39b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.155^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.231^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gina.ns.cloudflare.com` ⭐
NS	`theo.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
TXT	`ahrefs-site-verification_261b4423cbced42a77f357444c4c8a1e089059832c98be462744...`
TXT	`botify-site-verification=bTeSCTDkqm84UWy6mN7uCCqTjhXDoG5X`
TXT	`ca3-850f3c080338410abcd78e53272b14a1`
TXT	`v=spf1 include:_spfcf1.course-notes.org include:_spfcf2.course-notes.org incl...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.3.155, 172.67.130.231
		IPv6	2606:4700:3033::ac43:82e7, 2606:4700:3037::6815:39b
SOA	`gina.ns.cloudflare.com`dns@cloudflare.com serial=2399614757

WOT: SAFE (94/100)
rank #385563 globally
rank #29074 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #468,339

Previously NS for

wakeuptochange.com

gradeschoolhq.com

Same first word

ns.hepforge.org

ns.spb.ru

ns.net

ns.gov.pt

ns.ax

ns.ci

ns.ms

ns.com.tw

ns.gg

ns.altervista.org

ns.nl

ns.radio.fm

ns.net.mv

ns.ai

ns.edu.pl

ns.k12.ut.us

ns.dyndns.org

ns.net.nz

ns.domains

ns.ras.ru

ns.co.at

ns.cz

ns.donetsk.ua

ns.cn

ns.gov.ru

ns.kharkov.ua

ns.hk

ns.s3.amazonaws.com

ns.com.co

ns.onl

ns.express

ns.hs.kr

ns.in.th

ns.gov.cl

ns.uk

ns.works

ns.vc

ns.ae

ns.pl

ns.gov.lv

ns.ck.ua

ns.riik.ee

ns.hr

ns.org.cn

ns.fm

ns.art.pl

ns.keymachine.de

ns.parts

ns.az

ns.email

ns.boo

ns.com

ns.com.mv

ns.gov.mg

ns.eu

ns.sa

ns.army

ns.sh

ns.tk

ns.com.sg

ns.su

ns.services

ns.pro.br

ns.im

ns.fr

ns.sm.ua

ns.mil.tw

ns.vg

ns.or.kr

ns.team

ns.cv.ua

ns.agency

ns.je

ns.productions

ns.mt

ns.iki.fi

ns.no

ns.tel

ns.ni

ns.potager.org

ns.farm

ns.edu.me

ns.net.pl

ns.net.kg

ns.ml

ns.to.gov.br

ns.lib.md.us

ns.gov.sg

ns.in.ua

ns.co.kr

ns.nikolaev.ua

ns.kz

ns.ie

ns.kg

ns.free

ns.te.ua

ns.sb

ns.ac.rs

ns.gov.gu

ns.do

ns.kinghost.net

ns.taxi

ns.ge

ns.gy

ns.mv

ns.gov.mv

ns.software

ns.wtf

ns.ws

ns.co.th

ns.sg

ns.cf

ns.crimea.ua

ns.ac.th

ns.tools

ns.ha.cn

Similar names

sn.ink

sn.my

sn.la

sn.schule

sn.km.ua

sn.ca

sn.com.tr

sn.lt

sn.ws

sn.gs

sn.ru

sn.cm

sn.lutsk.ua

ns.ac

ns.com.au

ns.me.uk

ns.dog

ns.cr

ns.lutsk.ua

ns.net.ua

sn.net

sn.cx

ns.world

ns.ro.gov.br

sn.nl

ns.sx

sn.com

ns.cm

sn.cz

ns.od.ua

sn.at

ns.dp.ua

ns.gob.cl

ns.si

ns.net.au

ns.gov.my

ns.gq

ns.synology.me

ns.myshopify.com

ns.gl

ns.gifts

ns.odessa.ua

ns.ly

ns.gov

ns.ee

ns.kh.ua

ns.net.my

ns.gu

ns.com.py

sn.to

ns.lviv.ua

sn.click

sn.pl

ns.lg.ua

ns.nhs.uk

sn.am

ns.org

ns.rs

ns.cq.cn

ns.uz

sn.is

ns.org.tw

ns.de

ns.ba

sn.vc

ns.spb.su

sn.cn

ns.net.br

ns.mk

sn.kz

DNS History

1 record (0 active, 1 former)

○A50.31.214.1102015-05-25 → 2016-07-22 · 3 obs

● 2015-05-25 00:19:32
● 2016-07-22 16:07:04
○ 2026-03-25 21:08:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
course-notes.org	gina.ns.cloudflare.com, theo.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.117

NS records: gina.ns.cloudflare.com, theo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for course-notes.org (unsigned zone)

⏱️ Timing

Total: 409ms | Queries: -

📄 Records

Type	Count	Sample Data

ns.course-notes.org - robtex.com