`profjohncrown.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:10f1^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:d916^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.241^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.22^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mario.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bcb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1cb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mario.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21cb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mario.ns.cloudflare.com`
		A	108.162.193.203^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	172.64.33.203^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	173.245.59.203^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
NS	`venus.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aeb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0eb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`venus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20eb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`venus.ns.cloudflare.com`
		A	108.162.192.235^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
		A	172.64.32.235^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
		A	173.245.58.235^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.241, 172.67.217.22
		IPv6 hints	2606:4700:3032::6815:10f1, 2606:4700:3032::ac43:d916
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=240, name=cloudflare-ech.com
SOA	`mario.ns.cloudflare.com`dns@cloudflare.com serial=2403906797

`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=1778496626

Same first word

profjohncrown.com

DNS History

11 records (6 active, 5 former)

●NSmario.ns.cloudflare.com2026-04-27 → 2026-05-11 · 3 obs

○ 2017-02-14 21:34:50
● 2026-04-27 13:52:58
● 2026-05-11 11:20:14

○NSns1.wordpress.com2015-07-11 → 2017-02-14 · 4 obs

● 2015-07-11 07:25:14
● 2017-02-14 21:34:50
○ 2026-04-27 13:52:58
○ 2026-05-11 11:20:14

○NSns2.wordpress.com2015-07-11 → 2017-02-14 · 4 obs

● 2015-07-11 07:25:14
● 2017-02-14 21:34:50
○ 2026-04-27 13:52:58
○ 2026-05-11 11:20:14

○NSns3.wordpress.com2015-07-11 → 2017-02-14 · 4 obs

● 2015-07-11 07:25:14
● 2017-02-14 21:34:50
○ 2026-04-27 13:52:58
○ 2026-05-11 11:20:14

●NSvenus.ns.cloudflare.com2026-04-27 → 2026-05-11 · 3 obs

○ 2017-02-14 21:34:50
● 2026-04-27 13:52:58
● 2026-05-11 11:20:14

●A104.21.16.2412026-04-27 → 2026-05-11 · 3 obs

○ 2017-02-14 21:34:50
● 2026-04-27 13:52:58
● 2026-05-11 11:20:14

●A172.67.217.222026-04-27 → 2026-05-11 · 3 obs

○ 2017-02-14 21:34:50
● 2026-04-27 13:52:58
● 2026-05-11 11:20:14

○A192.0.78.242015-07-11 → 2017-02-14 · 4 obs

● 2015-07-11 07:25:14
● 2017-02-14 21:34:50
○ 2026-04-27 13:52:58
○ 2026-05-11 11:20:14

○A192.0.78.252015-07-11 → 2017-02-14 · 4 obs

● 2015-07-11 07:25:14
● 2017-02-14 21:34:50
○ 2026-04-27 13:52:58
○ 2026-05-11 11:20:14

●A2606:4700:3032::6815:10f12026-04-27 → 2026-05-11 · 3 obs

○ 2017-02-14 21:34:50
● 2026-04-27 13:52:58
● 2026-05-11 11:20:14

●A2606:4700:3032::ac43:d9162026-04-27 → 2026-05-11 · 3 obs

○ 2017-02-14 21:34:50
● 2026-04-27 13:52:58
● 2026-05-11 11:20:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
profjohncrown.com	venus.ns.cloudflare.com, mario.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.235

NS records: venus.ns.cloudflare.com, mario.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for profjohncrown.com (unsigned zone)

⏱️ Timing

Total: 154ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.16.241, 172.67.217.22`
AAAA	2	`2606:4700:3032::6815:10f1, 2606:4700:3032::ac43:d916`
NS	2	`mario.ns.cloudflare.com, venus.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mario.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

profjohncrown.com points to four IP numbers: 2606:4700:3032::6815:10f1, 2606:4700:3032::ac43:d916, 104.21.16.241 and 172.67.217.22.

Other host names including familyhealthonline.ca, onfancy.co.uk, narevoxumilo.com, lnqsw.com and delhihotelairport.com share IP numbers with profjohncrown.com.

Name Servers

profjohncrown.com's delegation uses two name servers, mario.ns.cloudflare.com and venus.ns.cloudflare.com.

profjohncrown.com shares the same name server setup as other domains, for example kothar.net, zhl.me, tengrunchem.com, nilavacav.icu and alauro.com.

profjohncrown.com at least partially shares name servers with other domains, including ketodietcenter.in, cdecici.com, maxwatches.co.uk, lingowireless.biz and szssp5.life.

these name servers are commonly used together with memphis.ns.cloudflare.com, elaine.ns.cloudflare.com and nataly.ns.cloudflare.com.

Host names with six IP numbers:

mario.ns.cloudflare.com points to: 2606:4700:58::adf5:3bcb, 2803:f800:50::6ca2:c1cb, 2a06:98c1:50::ac40:21cb, 108.162.193.203, 172.64.33.203 and 173.245.59.203.

venus.ns.cloudflare.com points to: 2606:4700:50::adf5:3aeb, 2803:f800:50::6ca2:c0eb, 2a06:98c1:50::ac40:20eb, 108.162.192.235, 172.64.32.235 and 173.245.58.235.

profjohncrown.com - robtex.com