`knowbull.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4028^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:afec^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.40^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.236^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aarav.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c3c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c33c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aarav.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:233c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aarav.ns.cloudflare.com`
		A	108.162.195.60^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
		A	162.159.44.60^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
		A	172.64.35.60^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
NS	`eloise.ns.cloudflare.com`
		A	2606:4700:50::a29f:26d0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eloise.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eloise.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eloise.ns.cloudflare.com`
		A	108.162.194.208^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eloise.ns.cloudflare.com`
		A	162.159.38.208^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eloise.ns.cloudflare.com`
		A	172.64.34.208^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eloise.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁷⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷⁸⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`apple-domain=niX75sG87PST5kRo`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.64.40, 172.67.175.236
		IPv6	2606:4700:3030::6815:4028, 2606:4700:3033::ac43:afec
SOA	`aarav.ns.cloudflare.com`dns@cloudflare.com serial=2397334394

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774611666

Same first word

knowbull.org

DNS History

9 records (9 active, 0 former)

●NSaarav.ns.cloudflare.com2026-02-16 → 2026-03-27 · 2 obs

● 2026-02-16 10:10:20
● 2026-03-27 11:47:18

●NSeloise.ns.cloudflare.com2026-02-16 → 2026-03-27 · 2 obs

● 2026-02-16 10:10:20
● 2026-03-27 11:47:18

●MXroute1.mx.cloudflare.net2026-02-16 → 2026-03-27 · 2 obs

● 2026-02-16 10:10:20
● 2026-03-27 11:47:18

●MXroute2.mx.cloudflare.net2026-02-16 → 2026-03-27 · 2 obs

● 2026-02-16 10:10:20
● 2026-03-27 11:47:18

●MXroute3.mx.cloudflare.net2026-02-16 → 2026-03-27 · 2 obs

● 2026-02-16 10:10:20
● 2026-03-27 11:47:18

●A104.21.64.402026-02-16 → 2026-03-27 · 2 obs

● 2026-02-16 10:10:20
● 2026-03-27 11:47:18

●A172.67.175.2362026-02-16 → 2026-03-27 · 2 obs

● 2026-02-16 10:10:20
● 2026-03-27 11:47:18

●A2606:4700:3030::6815:40282026-02-16 → 2026-03-27 · 2 obs

● 2026-02-16 10:10:20
● 2026-03-27 11:47:18

●A2606:4700:3033::ac43:afec2026-02-16 → 2026-03-27 · 2 obs

● 2026-02-16 10:10:20
● 2026-03-27 11:47:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
knowbull.org	aarav.ns.cloudflare.com, eloise.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.60

NS records: aarav.ns.cloudflare.com, eloise.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowbull.org (unsigned zone)

⏱️ Timing

Total: 479ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.175.236, 104.21.64.40`
AAAA	2	`2606:4700:3030::6815:4028, 2606:4700:3033::ac43:afec`
NS	2	`aarav.ns.cloudflare.com, eloise.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 53), route2.mx.cloudflare.net (pri: 74)...`
TXT	2	`apple-domain=niX75sG87PST5kRo, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aarav.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

knowbull.org points to four IP numbers: 2606:4700:3030::6815:4028, 2606:4700:3033::ac43:afec, 104.21.64.40 and 172.67.175.236.

Other host names, for instance adyc.cn, eshots.tyga.co.uk, www.rgyatra.com, www.friendstapes.com and balletwears.com.tr share IP numbers with knowbull.org.

Name Servers

knowbull.org is delegated to two name servers: aarav.ns.cloudflare.com and eloise.ns.cloudflare.com.

knowbull.org uses the same name server setup as other domains, including escortinhk.com and bkorm.com.

knowbull.org shares name servers with other domains at least partially, for instance fantasticquiz.online, qlcjvup.digital, estrategialuxogenia-app.com, techpaintclick.digital and receitadopapai.com.br.

these name servers are commonly used together with norman.ns.cloudflare.com and tia.ns.cloudflare.com.

Host names with six IP numbers: aarav.ns.cloudflare.com points to 2606:4700:58::a29f:2c3c, 2803:f800:50::6ca2:c33c, 2a06:98c1:50::ac40:233c, 108.162.195.60, 162.159.44.60 and 172.64.35.60; eloise.ns.cloudflare.com points to 2606:4700:50::a29f:26d0, 2803:f800:50::6ca2:c2d0, 2a06:98c1:50::ac40:22d0, 108.162.194.208, 162.159.38.208 and 172.64.34.208.

Mail Servers

knowbull.org is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

knowbull.org shares some mail servers with other domains, including on.od.ua, saitkatmerlikaya.com, kocanova.com, pinkfire.pw and centtarget.com.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25

knowbull.org - robtex.com

knowbull.org

org

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`knowbull.org`

`org`