`crazyprofessors.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:bc52^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:839^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.8.57^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.82^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cris.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cris.ns.cloudflare.com`
		A	108.162.195.202^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	162.159.44.202^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	172.64.35.202^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
NS	`jamie.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jamie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jamie.ns.cloudflare.com`
		A	108.162.192.168^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	172.64.32.168^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	173.245.58.168^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.8.57, 172.67.188.82
		IPv6	2606:4700:3031::ac43:bc52, 2606:4700:3035::6815:839
SOA	`cris.ns.cloudflare.com`dns@cloudflare.com serial=2399646762

`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=1774500502

Subdomains

www.crazyprofessors.com

Same first word

crazyprofessors.com

DNS History

16 records (6 active, 10 former)

●NScris.ns.cloudflare.com2026-03-23 → 2026-03-26 · 3 obs

○ 2018-05-15 11:51:20
● 2026-03-23 00:39:12
● 2026-03-26 04:57:02

●NSjamie.ns.cloudflare.com2026-03-23 → 2026-03-26 · 3 obs

○ 2018-05-15 11:51:20
● 2026-03-23 00:39:12
● 2026-03-26 04:57:02

○NSns51.domaincontrol.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 11:51:20
○ 2026-03-23 00:39:12
○ 2026-03-26 04:57:02

○NSns52.domaincontrol.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 11:51:20
○ 2026-03-23 00:39:12
○ 2026-03-26 04:57:02

●A104.21.8.572026-03-23 → 2026-03-26 · 3 obs

○ 2018-05-15 11:51:20
● 2026-03-23 00:39:12
● 2026-03-26 04:57:02

●A172.67.188.822026-03-23 → 2026-03-26 · 3 obs

○ 2018-05-15 11:51:20
● 2026-03-23 00:39:12
● 2026-03-26 04:57:02

○A184.168.221.552018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 11:51:20
○ 2026-03-23 00:39:12
○ 2026-03-26 04:57:02

●A2606:4700:3031::ac43:bc522026-03-23 → 2026-03-26 · 3 obs

○ 2018-05-15 11:51:20
● 2026-03-23 00:39:12
● 2026-03-26 04:57:02

●A2606:4700:3035::6815:8392026-03-23 → 2026-03-26 · 3 obs

○ 2018-05-15 11:51:20
● 2026-03-23 00:39:12
● 2026-03-26 04:57:02

○A50.63.202.372018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 11:51:20
○ 2026-03-23 00:39:12
○ 2026-03-26 04:57:02

○A50.63.202.422018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 11:51:20
○ 2026-03-23 00:39:12
○ 2026-03-26 04:57:02

○A50.63.202.462018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 11:51:20
○ 2026-03-23 00:39:12
○ 2026-03-26 04:57:02

○A50.63.202.492018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 11:51:20
○ 2026-03-23 00:39:12
○ 2026-03-26 04:57:02

○A50.63.202.532018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 11:51:20
○ 2026-03-23 00:39:12
○ 2026-03-26 04:57:02

○A50.63.202.572018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 11:51:20
○ 2026-03-23 00:39:12
○ 2026-03-26 04:57:02

○A50.63.202.622018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 11:51:20
○ 2026-03-23 00:39:12
○ 2026-03-26 04:57:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net...	-
crazyprofessors.com	jamie.ns.cloudflare.com, cris.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.202

NS records: jamie.ns.cloudflare.com, cris.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crazyprofessors.com (unsigned zone)

⏱️ Timing

Total: 227ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.188.82, 104.21.8.57`
AAAA	2	`2606:4700:3031::ac43:bc52, 2606:4700:3035::6815:839`
NS	2	`cris.ns.cloudflare.com, jamie.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cris.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

crazyprofessors.com is the parent of www.crazyprofessors.com.

IP Addresses

crazyprofessors.com points to four IP numbers: 2606:4700:3031::ac43:bc52, 2606:4700:3035::6815:839, 104.21.8.57 and 172.67.188.82.

For instance, other host names www.crazyprofessors.com, zengarage.com.au, sentra.be, mail.yeah1.vn and trendi178mulia.com share IP numbers with crazyprofessors.com.

Name Servers

crazyprofessors.com is delegated to two name servers: cris.ns.cloudflare.com and jamie.ns.cloudflare.com.

crazyprofessors.com uses the same name server setup as other domains such as huangtingxl.net, master-techauto.com, torrent-kino.org, dl07.com and northfieldsei.net.

crazyprofessors.com shares name servers with other domains at least partially, for example erome(0x787878).com, krytykapolityczna.pl, ashari.org, miaofenhui.com and freshsec.co.uk.

These name servers are commonly used with sloan.ns.cloudflare.com, ben.ns.cloudflare.com and rayne.ns.cloudflare.com.

Host names with six IP numbers: host name cris.ns.cloudflare.com points to: 2606:4700:58::a29f:2cca, 2803:f800:50::6ca2:c3ca, 2a06:98c1:50::ac40:23ca, 108.162.195.202, 162.159.44.202 and 172.64.35.202; host name jamie.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa8, 2803:f800:50::6ca2:c0a8, 2a06:98c1:50::ac40:20a8, 108.162.192.168, 172.64.32.168 and 173.245.58.168.

crazyprofessors.com - robtex.com