`help.classmanager.com`

CNAME	`139761362.sites.hscoscdn-eu1.net`
DNSSEC	⚠️ Not signed
A	2a06:98c1:3200::90:0^{🇺🇸 Cloudflare2a06:98c1:3200::/48} ✓ In HTTPS hints
A	2a06:98c1:3200::90:1^{🇺🇸 Cloudflare2a06:98c1:3200::/48} ✓ In HTTPS hints
A	2a06:98c1:3200::90:2^{🇺🇸 Cloudflare2a06:98c1:3200::/48} ✓ In HTTPS hints
A	2a06:98c1:3200::90:3^{🇺🇸 Cloudflare2a06:98c1:3200::/48} ✓ In HTTPS hints
A	141.101.90.96^{🇺🇸 Cloudflare141.101.90.0/24} ✓ In HTTPS hints
A	141.101.90.97^{🇺🇸 Cloudflare141.101.90.0/24} ✓ In HTTPS hints
A	141.101.90.98^{🇺🇸 Cloudflare141.101.90.0/24} ✓ In HTTPS hints
A	141.101.90.99^{🇺🇸 Cloudflare141.101.90.0/24} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	141.101.90.96, 141.101.90.97, 141.101.90.98, 141.101.90.99
		IPv6 hints	2a06:98c1:3200::90:0, 2a06:98c1:3200::90:1, 2a06:98c1:3200::90:2, 2a06:98c1:3200::90:3

`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
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=238, 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

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DNS History

1 record (1 active, 0 former)

●CNAME139761362.sites.hscoscdn-eu1.net2026-06-14 → 2026-08-07 · 2 obs

● 2026-06-14 18:12:48
● 2026-08-07 08:37:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...	-
classmanager.com	hera.ns.cloudflare.com, arch.ns.cloudflare.com	12 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: 2034ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`139761362.sites.hscoscdn-eu1.net`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

help.classmanager.com points to 8 IP addresses, including 141.101.90.96, 141.101.90.97 and 141.101.90.98, plus 5 other.

www.generali-investments.cz, france-visas.gouv.fr, jyskefinans.info plus two other host names have IP numbers in common with help.classmanager.com.

help.classmanager.com - dns.ninja