dev.classmanager.com - dns.ninja

`dev.classmanager.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:428^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:528^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4886^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.4.40^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.5.40^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.72.134^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.26.4.40, 104.26.5.40, 172.67.72.134
		IPv6 hints	2606:4700:20::681a:428, 2606:4700:20::681a:528, 2606:4700:20::ac43:4886
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com

`classmanager.com`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:20::681a:428^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:528^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4886^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.4.40^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.5.40^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.72.134^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arch.ns.cloudflare.com` ⭐
NS	`hera.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	`facebook-domain-verification=gmsvt7yum6q90akx52vavl2wp02pw3`
TXT	`google-site-verification=63Nr9D1V1dNV2jQQKTxwMIFHPXRWHC-1MlKh_gdjITA`
TXT	`google-site-verification=FvvmfEqDjbD8UeNgzGQYRweWB0yifey5LoWjUGf6Wu8`
TXT	`v=spf1 include:_spf.google.com include:amazonses.com include:139761362.spf04....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.26.4.40, 104.26.5.40, 172.67.72.134
		IPv6 hints	2606:4700:20::681a:428, 2606:4700:20::681a:528, 2606:4700:20::ac43:4886
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com
SOA	`arch.ns.cloudflare.com`dns@cloudflare.com serial=2411371378

rank #386391 globally
rank #158657 in the tld
📈 Tranco rank: #153,508

Same first word

dev.co.uk

dev.moe

dev.cm

dev.ma

dev.pro

dev.kr

dev.sg

dev.it

dev.www.ro

dev.bg

dev.one

dev.mock.pstmn.io

dev.solar

dev.md

dev.tc

dev.trade

dev.ci

dev.bzh

dev.ba

dev.by

dev.xyz

dev.community

dev.al

dev.finance

dev.ne.jp

dev.sale

dev.wpdevcloud.com

dev.uk

dev.city

dev.hf.space

dev.rs

dev.lighting

dev.town

dev.vn

dev.kz

dev.uz

dev.lu

dev.events

dev.shiksha

dev.idf.il

dev.rt.ht

dev.gold

dev.co.id

dev.bnpparibas

dev.ad

dev.space

dev.international

dev.myftp.org

dev.med

dev.wiki

dev.dn.ua

dev.s3-us-west-2.amazonaws.com

dev.dance

dev.aws

dev.cd

dev.cy

dev.com.br

dev.hm

dev.live

dev.ws

dev.ca

dev.no

dev.awsapps.com

dev.biz

dev.ltd

dev.education

dev.web.id

dev.cz

dev.exchange

dev.host

dev.work

dev.canva-apps.com

dev.black

dev.sa

dev.mine.nu

dev.com.jo

dev.lc

dev.myshopify.com

dev.adobeaemcloud.com

dev.kitchen

dev.ss

dev.tn

dev.server-on.net

dev.hu

dev.dk

dev.com.pl

dev.org.pk

dev.domains

dev.ml

dev.family

dev.org

dev.site

dev.camp

dev.marketing

dev.net

dev.agency

dev.jobs

dev.fitness

dev.com

dev.vip

dev.cam

dev.tools

dev.bo

dev.bio

dev.lt

dev.krd

dev.chat

dev.org.tr

dev.company

dev.management

dev.s3.amazonaws.com

dev.ru.net

dev.qa

dev.mx

dev.co

dev.dojin.com

dev.hr

dev.bi

dev.express

dev.co.il

dev.ro

dev.fail

dev.band

Similar names

dve.es

vde.dk

dev.vc

dev.care

dev.us

dve.vn

evd.net

dev.zip

edv.com.bo

evd.com.my

ved.at

edv.info

dev.fish

ved.kiev.ua

dev.as

dev.watch

ved.es

dev.co.zw

vde.nl

ved.bz

dev.at

dev.consulting

dev.download

edv.ch

dev.ht

dev.ag

evd.lt

dve.pl

dev.ms.gov.br

vde.plus

dev.haus

dev.cards

dev.is

dev.gb.net

dev.boston

dev.lk

evd.su

ved.hu

edv.services

dev.id.au

edv.eu.com

evd.info

edv.ca

dev.bz

dev.reviews

dev.marche.it

dev.dyndns.org

ved.com.au

dev.guru

edv.center

dev.beer

dev.amsterdam

dev.vg

dev.fo

dev.cl

evd.be

edv.wtf

ved.world

evd.fr

ved.center

dev.zone

edv.cc

evd.mx

ved.com.vn

dev.io

dev.mobile

dev.java

dev.ee

dev.stream

dev.co.th

dev.kiev.ua

dev.inc

vde.name

evd.digital

dev.com.hr

dev.ph

dev.nc

dev.limo

dev.cv

dev.com.ar

ved.rest

dev.sk

dev.tg

vde.be

ved.us

dev.uy

edv.jobs

dev.pl

dve.fr

dev.so

dev.tel

dev.do

dev.net.ru

dve.org

vde.me

evd.cl

dev.partners

dev.group

dev.moi

edv.care

DNS History

6 records (6 active, 0 former)

●A104.26.4.402026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 16:55:48
● 2026-08-07 04:22:56

●A104.26.5.402026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 16:55:48
● 2026-08-07 04:22:56

●A172.67.72.1342026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 16:55:48
● 2026-08-07 04:22:56

●A2606:4700:20::681a:4282026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 16:55:48
● 2026-08-07 04:22:56

●A2606:4700:20::681a:5282026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 16:55:48
● 2026-08-07 04:22:56

●A2606:4700:20::ac43:48862026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 16:55:48
● 2026-08-07 04:22:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
classmanager.com	hera.ns.cloudflare.com, arch.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.162

NS records: hera.ns.cloudflare.com, arch.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 275ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.4.40, 104.26.5.40...`
AAAA	3	`2606:4700:20::681a:528, 2606:4700:20::ac43:4886...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

dev.classmanager.com resolves to 6 IP numbers: 104.26.4.40, 104.26.5.40, 172.67.72.134 and 3 other.

Additional host names — www.wg.com, www.corazondemelon-newgen.es, central-florida.floridaguntrader.com and two others — share IP numbers with dev.classmanager.com.