`youdontknow.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1221^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:b3eb^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.18.33^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.179.235^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brenda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brenda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brenda.ns.cloudflare.com`
		A	108.162.192.77^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	172.64.32.77^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	173.245.58.77^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
NS	`koa.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cf2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`koa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`koa.ns.cloudflare.com`
		A	108.162.195.242^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	162.159.44.242^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	172.64.35.242^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.18.33, 172.67.179.235
		IPv6 hints	2606:4700:3034::6815:1221, 2606:4700:3035::ac43:b3eb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=234, name=cloudflare-ech.com
SOA	`brenda.ns.cloudflare.com`dns@cloudflare.com serial=2406671998

`net`

	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=1781384898

Previously MX for

youdontknow.net

Same first word

youdontknow.net

Similar names

knowyoudont.com

dontyouknow.org

dontyouknow.com

DNS History

16 records (11 active, 5 former)

●NSbrenda.ns.cloudflare.com2026-05-16 → 2026-06-13 · 3 obs

○ 2020-04-07 17:29:14
● 2026-05-16 20:56:10
● 2026-06-13 21:18:28

●NSkoa.ns.cloudflare.com2026-05-16 → 2026-06-13 · 3 obs

○ 2020-04-07 17:29:14
● 2026-05-16 20:56:10
● 2026-06-13 21:18:28

○NSns1.bluehost.com2015-07-12 → 2020-04-07 · 4 obs

● 2015-07-12 14:45:58
● 2020-04-07 17:29:14
○ 2026-05-16 20:56:10
○ 2026-06-13 21:18:28

○NSns2.bluehost.com2015-07-12 → 2020-04-07 · 4 obs

● 2015-07-12 14:45:58
● 2020-04-07 17:29:14
○ 2026-05-16 20:56:10
○ 2026-06-13 21:18:28

●MXeforward1.registrar-servers.com2026-05-16 → 2026-06-13 · 3 obs

○ 2020-04-07 17:29:14
● 2026-05-16 20:56:10
● 2026-06-13 21:18:28

●MXeforward2.registrar-servers.com2026-05-16 → 2026-06-13 · 3 obs

○ 2020-04-07 17:29:14
● 2026-05-16 20:56:10
● 2026-06-13 21:18:28

●MXeforward3.registrar-servers.com2026-05-16 → 2026-06-13 · 3 obs

○ 2020-04-07 17:29:14
● 2026-05-16 20:56:10
● 2026-06-13 21:18:28

●MXeforward4.registrar-servers.com2026-05-16 → 2026-06-13 · 3 obs

○ 2020-04-07 17:29:14
● 2026-05-16 20:56:10
● 2026-06-13 21:18:28

●MXeforward5.registrar-servers.com2026-05-16 → 2026-06-13 · 3 obs

○ 2020-04-07 17:29:14
● 2026-05-16 20:56:10
● 2026-06-13 21:18:28

○MXyoudontknow.net2015-07-12 → 2020-04-07 · 4 obs

● 2015-07-12 14:45:58
● 2020-04-07 17:29:14
○ 2026-05-16 20:56:10
○ 2026-06-13 21:18:28

●A104.21.18.332026-05-16 → 2026-06-13 · 3 obs

○ 2020-04-07 17:29:14
● 2026-05-16 20:56:10
● 2026-06-13 21:18:28

○A162.241.216.1222020-04-07 → 2020-04-07 · 4 obs

○ 2017-03-30 00:15:12
● 2020-04-07 17:29:14
○ 2026-05-16 20:56:10
○ 2026-06-13 21:18:28

●A172.67.179.2352026-05-16 → 2026-06-13 · 3 obs

○ 2020-04-07 17:29:14
● 2026-05-16 20:56:10
● 2026-06-13 21:18:28

●A2606:4700:3034::6815:12212026-05-16 → 2026-06-13 · 3 obs

○ 2020-04-07 17:29:14
● 2026-05-16 20:56:10
● 2026-06-13 21:18:28

●A2606:4700:3035::ac43:b3eb2026-05-16 → 2026-06-13 · 3 obs

○ 2020-04-07 17:29:14
● 2026-05-16 20:56:10
● 2026-06-13 21:18:28

○A69.89.22.1022015-07-12 → 2017-03-30 · 4 obs

● 2015-07-12 14:45:58
● 2017-03-30 00:15:12
○ 2020-04-07 17:29:14
○ 2026-06-13 21:18:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
youdontknow.net	brenda.ns.cloudflare.com, koa.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.77

NS records: brenda.ns.cloudflare.com, koa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for youdontknow.net (unsigned zone)

⏱️ Timing

Total: 1005ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.179.235, 104.21.18.33`
AAAA	2	`2606:4700:3034::6815:1221, 2606:4700:3035::ac43:b3eb`
NS	2	`brenda.ns.cloudflare.com, koa.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brenda.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

youdontknow.net points to four IP numbers: 104.21.18.33, 172.67.179.235, 2606:4700:3034::6815:1221 and 2606:4700:3035::ac43:b3eb.

Two other host names, along with quakefyi.com, supercare.co.il and lalettredesparents.com, also share IP numbers with youdontknow.net.

Name Servers

youdontknow.net is served by two delegated name servers, brenda.ns.cloudflare.com and koa.ns.cloudflare.com.

youdontknow.net shares its NS records with other domains, for example amikastore.com, evotek.md, fb999.net and two others.

The name servers of youdontknow.net overlap at least partially with those of other domains — among them zhenbang.tk, refpajywvk.top, bootstrapcdn.com and two more.

The name servers hans.ns.cloudflare.com, rose.ns.cloudflare.com and yoxall.ns.cloudflare.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

brenda.ns.cloudflare.com carries IP addresses 108.162.192.77, 172.64.32.77 and 173.245.58.77, with 3 other addresses beyond those.

koa.ns.cloudflare.com carries IP addresses 108.162.195.242, 162.159.44.242 and 172.64.35.242, with 3 other addresses beyond those.

Mail Servers

Five mail servers handle youdontknow.net: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

There is at least a partial MX overlap between youdontknow.net and other domains, including wettanbieter-lizenz.com, trivisen.com, 91app.tech and two others.

eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com are mail servers that frequently appear together with these mail servers.

Host names with one IP number:

eforward1.registrar-servers.com points to the IP address 162.255.118.51.

eforward2.registrar-servers.com points to the IP address 162.255.118.52.

eforward3.registrar-servers.com points to the IP address 162.255.118.51.

eforward4.registrar-servers.com points to the IP address 162.255.118.52.

eforward5.registrar-servers.com points to the IP address 162.255.118.51.

Each of eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com resolves to 162.255.118.51.

These two host names — eforward2.registrar-servers.com and eforward4.registrar-servers.com — each point to 162.255.118.52 IP addresses.