app.classmanager.com - dns.ninja

app.classmanager.com

DNSSEC⚠️ Not signed
A2606:4700:20::681a:428🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:528🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:4886🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.4.40Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.5.40Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.72.134🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
TXTv=spf1 include:amazonses.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.26.4.40, 104.26.5.40, 172.67.72.134
IPv6 hints2606:4700:20::681a:428, 2606:4700:20::681a:528, 2606:4700:20::ac43:4886
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=220, name=cloudflare-ech.com

classmanager.com

DNSSEC⚠️ Not signed
A2606:4700:20::681a:428🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:528🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:4886🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.4.40Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.5.40Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.72.134🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarch.ns.cloudflare.com ⭐
NShera.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXaspmx2.googlemail.com(10)
MXaspmx3.googlemail.com(10)
TXTfacebook-domain-verification=gmsvt7yum6q90akx52vavl2wp02pw3
TXTgoogle-site-verification=63Nr9D1V1dNV2jQQKTxwMIFHPXRWHC-1MlKh_gdjITA
TXTgoogle-site-verification=FvvmfEqDjbD8UeNgzGQYRweWB0yifey5LoWjUGf6Wu8
TXTv=spf1 include:_spf.google.com include:amazonses.com include:139761362.spf04....
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.26.4.40, 104.26.5.40, 172.67.72.134
IPv6 hints2606:4700:20::681a:428, 2606:4700:20::681a:528, 2606:4700:20::ac43:4886
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=220, name=cloudflare-ech.com
SOAarch.ns.cloudflare.comdns@cloudflare.com serial=2411371378
rank #386391 globally
rank #158657 in the tld
📈 Tranco rank: #153,508

Same first word

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app.am
app.tel
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app.trafficmanager.net
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app.photography
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app.football
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ppa.co.id
ppa.gov.ph
app.com.au
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ppa.sk
pap.org.ph
pap.me
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pap.fr
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ppa.com.cn
app.game.tw
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app.vn
app.africa
app.com.pa
app.co.mz
app.gov.pt
app.systems
app.salon
app.s3.eu-north-1.amazonaws.com
app.es
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pap.com.pl
app.quest
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ppa.as
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app.to
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pap.sg

DNS History

6 records (6 active, 0 former)

A104.26.4.40104.26.5.40172.67.72.1342606:4700:20::681a:4282606:4700:20::681a:5282606:4700:20::ac43:4886
●A104.26.4.402026-02-16 → 2026-08-07 · 2 obs
● 2026-02-16 16:55:48
● 2026-08-07 06:35:32
●A104.26.5.402026-02-16 → 2026-08-07 · 2 obs
● 2026-02-16 16:55:48
● 2026-08-07 06:35:32
●A172.67.72.1342026-02-16 → 2026-08-07 · 2 obs
● 2026-02-16 16:55:48
● 2026-08-07 06:35:32
●A2606:4700:20::681a:4282026-02-16 → 2026-08-07 · 2 obs
● 2026-02-16 16:55:48
● 2026-08-07 06:35:32
●A2606:4700:20::681a:5282026-02-16 → 2026-08-07 · 2 obs
● 2026-02-16 16:55:48
● 2026-08-07 06:35:32
●A2606:4700:20::ac43:48862026-02-16 → 2026-08-07 · 2 obs
● 2026-02-16 16:55:48
● 2026-08-07 06:35:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...-
classmanager.comhera.ns.cloudflare.com, arch.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.68

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: 230ms | Queries: -

📄 Records

TypeCountSample Data
A3104.26.4.40, 172.67.72.134...
AAAA32606:4700:20::681a:528, 2606:4700:20::681a:428...
TXT1v=spf1 include:amazonses.com -all
HTTPS1{"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

app.classmanager.com points to 6 IP addresses, including 104.26.4.40, 104.26.5.40 and 172.67.72.134, plus 3 other.

www.sunmarket.es, impulso06.com, (0x666170)ify.com plus two other host names have IP numbers in common with app.classmanager.com.