onclass.tech - dns.ninja

onclass.tech

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:1d91🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:9563🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.29.145Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.149.99🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmelinda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3ac6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A2803:f800:50::6ca2:c0c6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmelinda.ns.cloudflare.com
A2a06:98c1:50::ac40:20c6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmelinda.ns.cloudflare.com
A108.162.192.198🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A172.64.32.198🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A173.245.58.198🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
NSnoel.ns.cloudflare.com
A2606:4700:58::adf5:3bd8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoel.ns.cloudflare.com
A2803:f800:50::6ca2:c1d8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnoel.ns.cloudflare.com
A2a06:98c1:50::ac40:21d8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnoel.ns.cloudflare.com
A108.162.193.216🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoel.ns.cloudflare.com
A172.64.33.216🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoel.ns.cloudflare.com
A173.245.59.216🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoel.ns.cloudflare.com
TXT_globalsign-domain-verification=vpvdKLtd5HMSXoWVquFl9Asi2pIV7i7HY_PJJmK9Ko
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.21.29.145, 172.67.149.99
IPv6 hints2606:4700:3034::6815:1d91, 2606:4700:3034::ac43:9563
SOAmelinda.ns.cloudflare.comdns@cloudflare.com serial=2406777361

tech

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1782867837

Same first word

onclass.cl
onclass.tech
onclass.com
onclass.ru

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saloncs.com
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saloncs.info
calsons.co.uk
scansol.ru
noclass.net
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noclass.de

DNS History

6 records (6 active, 0 former)

NSmelinda.ns.cloudflare.comnoel.ns.cloudflare.comA104.21.29.145172.67.149.992606:4700:3034::6815:1d912606:4700:3034::ac43:9563
●NSmelinda.ns.cloudflare.com2026-02-22 → 2026-07-01 · 2 obs
● 2026-02-22 06:49:06
● 2026-07-01 01:12:32
●NSnoel.ns.cloudflare.com2026-02-22 → 2026-07-01 · 2 obs
● 2026-02-22 06:49:06
● 2026-07-01 01:12:32
●A104.21.29.1452026-02-22 → 2026-07-01 · 2 obs
● 2026-02-22 06:49:06
● 2026-07-01 01:12:32
●A172.67.149.992026-02-22 → 2026-07-01 · 2 obs
● 2026-02-22 06:49:06
● 2026-07-01 01:12:32
●A2606:4700:3034::6815:1d912026-02-22 → 2026-07-01 · 2 obs
● 2026-02-22 06:49:06
● 2026-07-01 01:12:32
●A2606:4700:3034::ac43:95632026-02-22 → 2026-07-01 · 2 obs
● 2026-02-22 06:49:06
● 2026-07-01 01:12:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.com, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.net8 records
onclass.technoel.ns.cloudflare.com, melinda.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.216

NS records: noel.ns.cloudflare.com, melinda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for onclass.tech (unsigned zone)

⏱️ Timing

Total: 337ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.29.145, 172.67.149.99
AAAA22606:4700:3034::6815:1d91, 2606:4700:3034::ac43:9563
NS2melinda.ns.cloudflare.com, noel.ns.cloudflare.com
TXT1_globalsign-domain-verification=vpvdKLtd
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1melinda.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns10.trs-dns.org...)

Analysis

IP Addresses

onclass.tech points to the four IP addresses 104.21.29.145, 172.67.149.99, 2606:4700:3034::6815:1d91 and 2606:4700:3034::ac43:9563.

ki-wi.de, cbmlighting.com, coloradohorse.com plus two other host names have IP numbers in common with onclass.tech.

Name Servers

onclass.tech is delegated to two name servers: melinda.ns.cloudflare.com and noel.ns.cloudflare.com.

The name server configuration of onclass.tech is shared with other domains, for instance awbtextiles.co.uk, xrsuk.com, gsector.net and two others.

There is at least partial name server overlap between onclass.tech and other domains — sneaker-daily.com, mindat.io, cazlq.com and two more among them.

These name servers are routinely deployed together with the name servers susan.ns.cloudflare.com.

Hosts with 6 IP addresses each:

melinda.ns.cloudflare.com resolves to 108.162.192.198, 172.64.32.198, 173.245.58.198 and 3 other IP addresses.

noel.ns.cloudflare.com resolves to 108.162.193.216, 172.64.33.216, 173.245.59.216 and 3 other IP addresses.