🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`classconstructor.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:f3^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:9769^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.0.243^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.151.105^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kyle.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c6f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyle.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c36f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kyle.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:236f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kyle.ns.cloudflare.com`
		A	108.162.195.111^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyle.ns.cloudflare.com`
		A	162.159.44.111^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyle.ns.cloudflare.com`
		A	172.64.35.111^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyle.ns.cloudflare.com`
NS	`lilyana.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilyana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lilyana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lilyana.ns.cloudflare.com`
		A	108.162.194.244^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilyana.ns.cloudflare.com`
		A	162.159.38.244^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilyana.ns.cloudflare.com`
		A	172.64.34.244^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilyana.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=b0d2c51ac74663593e8797b353ff800506960f0e`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.0.243, 172.67.151.105
		IPv6 hints	2606:4700:3033::6815:f3, 2606:4700:3033::ac43:9769
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=49, name=cloudflare-ech.com
SOA	`kyle.ns.cloudflare.com`dns@cloudflare.com serial=2417029577

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1794569826

Same first word

classconstructor.com

Previous names

Next names

DNS History

14 records (8 active, 6 former)

○NSjoan.ns.cloudflare.com2017-11-24 → 2017-11-24 · 3 obs

● 2017-11-24 16:45:20
○ 2026-10-17 08:34:08
○ 2026-11-13 12:05:44

●NSkyle.ns.cloudflare.com2026-10-17 → 2026-11-13 · 3 obs

○ 2017-11-24 16:45:20
● 2026-10-17 08:34:08
● 2026-11-13 12:05:44

●NSlilyana.ns.cloudflare.com2026-10-17 → 2026-11-13 · 3 obs

○ 2017-11-24 16:45:20
● 2026-10-17 08:34:08
● 2026-11-13 12:05:44

○NSneil.ns.cloudflare.com2017-11-24 → 2017-11-24 · 3 obs

● 2017-11-24 16:45:20
○ 2026-10-17 08:34:08
○ 2026-11-13 12:05:44

●MXmail.protonmail.ch2026-10-17 → 2026-11-13 · 2 obs

● 2026-10-17 08:34:08
● 2026-11-13 12:05:44

●MXmailsec.protonmail.ch2026-10-17 → 2026-11-13 · 2 obs

● 2026-10-17 08:34:08
● 2026-11-13 12:05:44

●A104.21.0.2432026-10-17 → 2026-11-13 · 3 obs

○ 2017-11-24 16:45:20
● 2026-10-17 08:34:08
● 2026-11-13 12:05:44

○A104.27.130.552017-11-24 → 2017-11-24 · 3 obs

● 2017-11-24 16:45:20
○ 2026-10-17 08:34:08
○ 2026-11-13 12:05:44

○A104.27.131.552017-11-24 → 2017-11-24 · 3 obs

● 2017-11-24 16:45:20
○ 2026-10-17 08:34:08
○ 2026-11-13 12:05:44

●A172.67.151.1052026-10-17 → 2026-11-13 · 3 obs

○ 2017-11-24 16:45:20
● 2026-10-17 08:34:08
● 2026-11-13 12:05:44

○A2400:cb00:2048:1::681b:82372017-11-24 → 2017-11-24 · 3 obs

● 2017-11-24 16:45:20
○ 2026-10-17 08:34:08
○ 2026-11-13 12:05:44

○A2400:cb00:2048:1::681b:83372017-11-24 → 2017-11-24 · 3 obs

● 2017-11-24 16:45:20
○ 2026-10-17 08:34:08
○ 2026-11-13 12:05:44

●A2606:4700:3033::6815:f32026-10-17 → 2026-11-13 · 3 obs

○ 2017-11-24 16:45:20
● 2026-10-17 08:34:08
● 2026-11-13 12:05:44

●A2606:4700:3033::ac43:97692026-10-17 → 2026-11-13 · 3 obs

○ 2017-11-24 16:45:20
● 2026-10-17 08:34:08
● 2026-11-13 12:05:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
classconstructor.com	lilyana.ns.cloudflare.com, kyle.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.244

NS records: lilyana.ns.cloudflare.com, kyle.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classconstructor.com (unsigned zone)

⏱️ Timing

Total: 223ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.151.105, 104.21.0.243`
AAAA	2	`2606:4700:3033::6815:f3, 2606:4700:3033::ac43:9769`
NS	2	`kyle.ns.cloudflare.com, lilyana.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`protonmail-verification=b0d2c51ac7466359, v=spf1 include:_spf.protonmail.ch ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kyle.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

classconstructor.com directs to four IP numbers, which are 104.21.0.243, 172.67.151.105, 2606:4700:3033::6815:f3 and 2606:4700:3033::ac43:9769.

789po.top, inibri55.site, radiestesia.com.br plus two other host names have IP numbers in common with classconstructor.com.

Name Servers

Two name servers handle the delegation for classconstructor.com: kyle.ns.cloudflare.com and lilyana.ns.cloudflare.com.

The name server configuration of classconstructor.com is shared with other domains, for instance fuguevp.ru, cancundan.com, kupit-uzi-apparat25.ru and two others.

At least some of classconstructor.com's name servers are shared with other domains, for example andrebazaga.com, bongdalu18.one, bates.nz and two more.

These name servers tend to be deployed in combination with the name servers jule.ns.cloudflare.com and brady.ns.cloudflare.com.

Hosts with 6 IP addresses each:

kyle.ns.cloudflare.com resolves to 108.162.195.111, 162.159.44.111 and 172.64.35.111 among others, with 3 other IP addresses in total.

lilyana.ns.cloudflare.com resolves to 108.162.194.244, 162.159.38.244 and 172.64.34.244 among others, with 3 other IP addresses in total.

Mail Servers

classconstructor.com uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

The mail server setup of classconstructor.com matches that of other domains such as fortun.net, digitalwarden.pro, buenrostro.dev and two others.

At least some of the mail servers used by classconstructor.com are shared with other domains: stjosephcobden.com, alexanderdavenport.com, tomilehto.com and two others among them.

The hosts mail.protonmail.ch and mailsec.protonmail.ch both resolve to three IP numbers: mail.protonmail.ch to 176.119.200.128, 185.70.42.128 and 185.205.70.128, and mailsec.protonmail.ch to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

classconstructor.com - robtex.com