class.expert - dns.ninja

`class.expert`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:b830^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2864^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.100^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.184.48^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chip.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c154^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chip.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2154^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chip.ns.cloudflare.com`
		A	108.162.193.84^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	172.64.33.84^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	173.245.59.84^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
NS	`nicole.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nicole.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nicole.ns.cloudflare.com`
		A	108.162.192.211^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	172.64.32.211^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	173.245.58.211^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
MX	`mx.yandex.net` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`v=spf1 redirect=_spf.yandex.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.40.100, 172.67.184.48
		IPv6 hints	2606:4700:3035::ac43:b830, 2606:4700:3037::6815:2864
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOA	`chip.ns.cloudflare.com`dns@cloudflare.com serial=2409549187

`expert`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.expert` ⭐
	NS	`v0n1.nic.expert`
	NS	`v0n2.nic.expert`
	NS	`v0n3.nic.expert`
	NS	`v2n0.nic.expert`
	NS	`v2n1.nic.expert`
	SOA	`v0n0.nic.expert`hostmaster@donuts.email serial=1786226497

⚠️ On DNS blocklist: spam-tlds

Same first word

class.rs

class.de

class.co

class.am

class.it

class.works

class.systems

class.technology

class.network

class.com.py

class.info

class.do

class.tax

class.world

class.tools

class.expert

class.co.at

class.msk.ru

class.so

class.report

class.al

class.eu

class.st

class.id

class.biz

class.com.tr

class.gr

class.org

class.us

class.com

class.bet

class.ps

class.edu.pl

class.com.mx

class.dk

class.builders

class.capital

class.watch

class.srl

class.com.cn

class.lv

class.cash

class.management

class.wiki

class.ch

class.com.tw

class.guide

class.kr

class.cc

class.is

class.mba

class.tech

class.digital

class.sk

class.run

class.today

class.immo

class.me

class.im

class.cl

class.ma

class.adobeaemcloud.com

class.com.au

class.nl

class.io

class.fr

class.tel

class.net

class.hu

class.ro

class.net.nz

class.co.jp

class.zone

class.no

class.es

class.hr

class.on.ca

class.community

class.agency

class.cn

class.rocks

class.cz

class.com.br

class.estate

class.la

class.ca

class.solutions

class.com.pe

class.lk

class.edu.vn

class.net.br

class.email

class.pe

class.bg

class.ai

class.business

class.cool

class.ai.in

class.se

class.ly

class.su

Similar names

slacs.com

ascls.com

salcs.org

cssla.org

asslc.fr

clssa.com

lcass.com

slcas.org

sacsl.co

acssl.org

scals.cn

calss.com

scsla.org

clsas.com

ssacl.com

slcsa.co.za

slcas.on.ca

cassl.org

ascls.org

lsasc.org

slacs.de

clssa.info

lscas.com

scals.de

clssa.org

scsla.com

scals.co.jp

sacsl.es

ascsl.com

acssl.campaign.gov.uk

aslcs.com

scals.com

lscsa.com

lcsas.us

lcssa.com

lssac.com

slacs.ca

lsasc.com

cssla.com

slsca.com

sslca.com

ascsl.net

sscal.com

aclss.com

ssalc.org

saslc.com

casls.com

acssl.com

salsc.com

alscs.com

calss.net.cn

lscsa.de

DNS History

16 records (7 active, 9 former)

●NSchip.ns.cloudflare.com2016-12-10 → 2026-08-08 · 2 obs

● 2016-12-10 23:40:58
● 2026-08-08 22:45:46

●NSnicole.ns.cloudflare.com2016-12-10 → 2026-08-08 · 2 obs

● 2016-12-10 23:40:58
● 2026-08-08 22:45:46

●MXmx.yandex.net2016-12-10 → 2026-08-08 · 2 obs

● 2016-12-10 23:40:58
● 2026-08-08 22:45:46

○A104.18.44.1652016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 23:40:58
○ 2026-03-19 06:10:32
○ 2026-08-08 22:45:46

○A104.18.45.1652016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 23:40:58
○ 2026-03-19 06:10:32
○ 2026-08-08 22:45:46

●A104.21.40.1002026-03-26 → 2026-08-08 · 15 obs

○ 2026-03-19 06:10:32
● 2026-03-26 08:18:36
● 2026-04-03 21:51:40
○ 2026-04-05 09:57:20
○ 2026-04-21 23:10:02
● 2026-04-30 05:10:08
● 2026-06-03 00:31:40
○ 2026-06-04 17:54:38
● 2026-06-11 16:44:28
● 2026-06-11 17:35:16
○ 2026-06-24 02:53:24
● 2026-07-19 18:31:42
○ 2026-07-22 21:21:20
● 2026-08-08 22:45:44
● 2026-08-08 22:45:46

●A172.67.184.482026-03-26 → 2026-08-08 · 15 obs

○A188.114.96.02026-03-19 → 2026-07-22 · 16 obs

○ 2016-12-10 23:40:58
● 2026-03-19 06:10:32
○ 2026-03-26 08:18:36
○ 2026-04-03 21:51:40
● 2026-04-05 09:57:20
● 2026-04-21 23:10:02
○ 2026-04-30 05:10:08
○ 2026-06-03 00:31:40
● 2026-06-04 17:54:38
○ 2026-06-11 16:44:28
○ 2026-06-11 17:35:16
● 2026-06-24 02:53:24
○ 2026-07-19 18:31:42
● 2026-07-22 21:21:20
○ 2026-08-08 22:45:44
○ 2026-08-08 22:45:46

○A188.114.97.02026-03-19 → 2026-07-22 · 16 obs

○A2400:cb00:2048:1::6812:2ca52016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 23:40:58
○ 2026-03-19 06:10:32
○ 2026-08-08 22:45:46

○A2400:cb00:2048:1::6812:2da52016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 23:40:58
○ 2026-03-19 06:10:32
○ 2026-08-08 22:45:46

●A2606:4700:3035::ac43:b8302026-03-26 → 2026-08-08 · 15 obs

○A2606:4700:3036::6815:28642026-03-26 → 2026-06-11 · 12 obs

●A2606:4700:3037::6815:28642026-07-19 → 2026-08-08 · 5 obs

○ 2026-06-24 02:53:24
● 2026-07-19 18:31:42
○ 2026-07-22 21:21:20
● 2026-08-08 22:45:44
● 2026-08-08 22:45:46

○A2a06:98c1:3120::2026-03-19 → 2026-07-22 · 16 obs

○A2a06:98c1:3121::2026-03-19 → 2026-07-22 · 16 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
expert	v0n0.nic.expert, v0n1.nic.expert, v0n2.nic.expert, v0n3.nic.expert...	12 records
class.expert	chip.ns.cloudflare.com, nicole.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.211

NS records: chip.ns.cloudflare.com, nicole.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for class.expert (unsigned zone)

⏱️ Timing

Total: 546ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.40.100, 172.67.184.48`
AAAA	2	`2606:4700:3035::ac43:b830, 2606:4700:3037::6815:2864`
NS	2	`chip.ns.cloudflare.com, nicole.ns.cloudflare.com`
MX	1	`mx.yandex.net (pri: 10)`
TXT	1	`v=spf1 redirect=_spf.yandex.net`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chip.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.expert, v0n1.nic.expert, v0n2.nic.expert...)

Analysis

IP Addresses

class.expert resolves to four IP addresses: 104.21.40.100, 172.67.184.48, 2606:4700:3035::ac43:b830 and 2606:4700:3037::6815:2864.

Among the host names that share IP numbers with class.expert are casinohp5.monster, airductcleaningreno.com, hanxiwentong.com and two others.

Name Servers

The NS records for class.expert delegate to chip.ns.cloudflare.com and nicole.ns.cloudflare.com.

class.expert has the same name server delegation as a number of other domains, such as ironion.com, that-smell.com, mirkinc.com and two more.

class.expert shares at least some of its name servers with other domains, including schoolinla.com, doujin-x.com, ehzg.net and two others.

These name servers are routinely co-deployed with the name servers kyree.ns.cloudflare.com, liberty.ns.cloudflare.com, gwen.ns.cloudflare.com and two others.

Host names resolving to 6 IP numbers:

chip.ns.cloudflare.com maps to 108.162.193.84, 172.64.33.84, 173.245.59.84 and 3 additional IP addresses.

nicole.ns.cloudflare.com maps to 108.162.192.211, 172.64.32.211, 173.245.58.211 and 3 additional IP addresses.

Mail Servers

class.expert routes its mail through a single mail server, mx.yandex.net.

class.expert has the same mail server arrangement as a number of other domains, for example xpleer.com, actual-telecom.pro, gt18.ru and two more.

class.expert shares at least some of its mail servers with other domains, such as netsayfa.com.

mx.yandex.net points to two IP addresses: 77.88.21.249 and 2a02:6b8::311.