class99.us - robtex.com

class99.us

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:1a32🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8765🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.50Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.101🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmagdalena.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2608🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmagdalena.ns.cloudflare.com
A2803:f800:50::6ca2:c208🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmagdalena.ns.cloudflare.com
A2a06:98c1:50::ac40:2208🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmagdalena.ns.cloudflare.com
A108.162.194.8🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmagdalena.ns.cloudflare.com
A162.159.38.8Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmagdalena.ns.cloudflare.com
A172.64.34.8🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmagdalena.ns.cloudflare.com
NSnoah.ns.cloudflare.com
A2606:4700:58::adf5:3b85🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A2803:f800:50::6ca2:c185🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnoah.ns.cloudflare.com
A2a06:98c1:50::ac40:2185🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnoah.ns.cloudflare.com
A108.162.193.133🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A172.64.33.133🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A173.245.59.133🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.26.50, 172.67.135.101
IPv62606:4700:3031::6815:1a32, 2606:4700:3035::ac43:8765
SOAmagdalena.ns.cloudflare.comdns@cloudflare.com serial=2397480930

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1773555288

Same first word

class99.us

Similar names

99class.com

DNS History

10 records (6 active, 4 former)

202120222023202420252026NSmagdalena.ns.cloudflare.comnoah.ns.cloudflare.comdns1.namecheaphosting.comdns2.namecheaphosting.comMXmail.class99.usA104.21.26.50172.67.135.1012606:4700:3031::6815:1a322606:4700:3035::ac43:8765198.54.114.128
○NSdns1.namecheaphosting.com2020-01-25 → 2020-01-25 · 3 obs
● 2020-01-25 01:10:34
○ 2026-03-16 06:38:36
○ 2026-03-23 10:03:08
○NSdns2.namecheaphosting.com2020-01-25 → 2020-01-25 · 3 obs
● 2020-01-25 01:10:34
○ 2026-03-16 06:38:36
○ 2026-03-23 10:03:08
●NSmagdalena.ns.cloudflare.com2026-03-16 → 2026-03-23 · 3 obs
○ 2020-01-25 01:10:34
● 2026-03-16 06:38:36
● 2026-03-23 10:03:08
●NSnoah.ns.cloudflare.com2026-03-16 → 2026-03-23 · 3 obs
○ 2020-01-25 01:10:34
● 2026-03-16 06:38:36
● 2026-03-23 10:03:08
○MXmail.class99.us2020-01-25 → 2020-01-25 · 3 obs
● 2020-01-25 01:10:34
○ 2026-03-16 06:38:36
○ 2026-03-23 10:03:08
●A104.21.26.502026-03-16 → 2026-03-23 · 3 obs
○ 2020-01-25 01:10:34
● 2026-03-16 06:38:36
● 2026-03-23 10:03:08
●A172.67.135.1012026-03-16 → 2026-03-23 · 3 obs
○ 2020-01-25 01:10:34
● 2026-03-16 06:38:36
● 2026-03-23 10:03:08
○A198.54.114.1282020-01-25 → 2020-01-25 · 3 obs
● 2020-01-25 01:10:34
○ 2026-03-16 06:38:36
○ 2026-03-23 10:03:08
●A2606:4700:3031::6815:1a322026-03-16 → 2026-03-23 · 3 obs
○ 2020-01-25 01:10:34
● 2026-03-16 06:38:36
● 2026-03-23 10:03:08
●A2606:4700:3035::ac43:87652026-03-16 → 2026-03-23 · 3 obs
○ 2020-01-25 01:10:34
● 2026-03-16 06:38:36
● 2026-03-23 10:03:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usm.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...-
class99.usnoah.ns.cloudflare.com, magdalena.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.133

NS records: noah.ns.cloudflare.com, magdalena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for class99.us (unsigned zone)

⏱️ Timing

Total: 645ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.26.50, 172.67.135.101
AAAA22606:4700:3035::ac43:8765, 2606:4700:3031::6815:1a32
NS2magdalena.ns.cloudflare.com, noah.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1magdalena.ns.cloudflare.com dns.cloudfla

Analysis

IP Addresses

Four IP numbers are pointed to by class99.us: 2606:4700:3031::6815:1a32, 2606:4700:3035::ac43:8765, 104.21.26.50 and 172.67.135.101.

other host names including ademe.org, mail.ukraineloves.com, dytg.nl, mollymoonicecream.com and qishui-shui.hl.cn share IP numbers with class99.us.

Name Servers

class99.us is delegated to two name servers magdalena.ns.cloudflare.com and noah.ns.cloudflare.com.

class99.us shares the same name server setup as other domains, for instance drunkparty.info, titoradio.net, eclipsedigitalagency.com, radiancethedevice.com and seomartian.com.

class99.us at least partially shares name servers with other domains, for instance bolabanget.id, 360habana.com, medialis.co.at, passportyachts.com and aspire.com.tr.

These name servers are commonly used with jason.ns.cloudflare.com, nero.ns.cloudflare.com and annalise.ns.cloudflare.com.

Host names with six IP numbers:

Host name magdalena.ns.cloudflare.com points to: 2606:4700:50::a29f:2608, 2803:f800:50::6ca2:c208, 2a06:98c1:50::ac40:2208, 108.162.194.8, 162.159.38.8 and 172.64.34.8.

Host name noah.ns.cloudflare.com points to: 2606:4700:58::adf5:3b85, 2803:f800:50::6ca2:c185, 2a06:98c1:50::ac40:2185, 108.162.193.133, 172.64.33.133 and 173.245.59.133.