knowtro.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowtro.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:8b26^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:570f^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.15^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.38^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`armfazh.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c368^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`armfazh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2368^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`armfazh.ns.cloudflare.com`
		A	108.162.195.104^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	162.159.44.104^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	172.64.35.104^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
NS	`serena.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0dc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20dc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serena.ns.cloudflare.com`
		A	108.162.192.220^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	172.64.32.220^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	173.245.58.220^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
MX	`mx.stackmail.com` ⭐
		A	185.151.28.67^{🇬🇧 TWENTYI185.151.28.0/24}
			PTR	`mx.stackmail.com`
TXT	`v=spf1 include:spf.stackmail.com a mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.15, 172.67.139.38
		IPv6 hints	2606:4700:3034::ac43:8b26, 2606:4700:3036::6815:570f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=7, name=cloudflare-ech.com
SOA	`armfazh.ns.cloudflare.com`dns@cloudflare.com serial=2409439119

`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=1786898979

Subdomains

www.knowtro.com

Same first word

knowtro.com

Similar names

notwork.ru

worknot.com

notwork.eu

knowotr.blogspot.de

notwork.dk

notwork.ch

notwork.co.uk

notwork.org

notwork.com

notwork.net

notwork.de

kontrow.com

notwork.jp

workton.com

tonwork.com

workont.com

woktron.com

notwork.fi

notwork.com.ar

worknot.es

notwork.network

kortown.com

notwork.in

notwork.co

notwork.it

DNS History

27 records (7 active, 20 former)

●NSarmfazh.ns.cloudflare.com2026-02-17 → 2026-08-16 · 3 obs

○ 2017-03-26 00:29:54
● 2026-02-17 13:29:46
● 2026-08-16 16:58:06

○NSns-cloud-e1.googledomains.com2015-12-05 → 2017-03-26 · 5 obs

○ 2015-08-08 02:24:36
● 2015-12-05 22:42:08
● 2017-03-26 00:29:54
○ 2026-02-17 13:29:46
○ 2026-08-16 16:58:06

○NSns-cloud-e2.googledomains.com2015-12-05 → 2017-03-26 · 5 obs

○ 2015-08-08 02:24:36
● 2015-12-05 22:42:08
● 2017-03-26 00:29:54
○ 2026-02-17 13:29:46
○ 2026-08-16 16:58:06

○NSns-cloud-e3.googledomains.com2015-12-05 → 2017-03-26 · 5 obs

○ 2015-08-08 02:24:36
● 2015-12-05 22:42:08
● 2017-03-26 00:29:54
○ 2026-02-17 13:29:46
○ 2026-08-16 16:58:06

○NSns-cloud-e4.googledomains.com2015-12-05 → 2017-03-26 · 5 obs

○ 2015-08-08 02:24:36
● 2015-12-05 22:42:08
● 2017-03-26 00:29:54
○ 2026-02-17 13:29:46
○ 2026-08-16 16:58:06

○NSns67.domaincontrol.com2015-08-08 → 2015-08-08 · 3 obs

● 2015-08-08 02:24:36
○ 2015-12-05 22:42:08
○ 2026-08-16 16:58:06

○NSns68.domaincontrol.com2015-08-08 → 2015-08-08 · 3 obs

● 2015-08-08 02:24:36
○ 2015-12-05 22:42:08
○ 2026-08-16 16:58:06

●NSserena.ns.cloudflare.com2026-02-17 → 2026-08-16 · 3 obs

○ 2017-03-26 00:29:54
● 2026-02-17 13:29:46
● 2026-08-16 16:58:06

○MXalt1.aspmx.l.google.com2015-12-05 → 2017-03-26 · 5 obs

○ 2015-08-08 02:24:36
● 2015-12-05 22:42:08
● 2017-03-26 00:29:54
○ 2026-02-17 13:29:46
○ 2026-08-16 16:58:06

○MXalt2.aspmx.l.google.com2015-12-05 → 2017-03-26 · 5 obs

○ 2015-08-08 02:24:36
● 2015-12-05 22:42:08
● 2017-03-26 00:29:54
○ 2026-02-17 13:29:46
○ 2026-08-16 16:58:06

○MXalt3.aspmx.l.google.com2015-12-05 → 2017-03-26 · 5 obs

○ 2015-08-08 02:24:36
● 2015-12-05 22:42:08
● 2017-03-26 00:29:54
○ 2026-02-17 13:29:46
○ 2026-08-16 16:58:06

○MXalt4.aspmx.l.google.com2015-12-05 → 2017-03-26 · 5 obs

○ 2015-08-08 02:24:36
● 2015-12-05 22:42:08
● 2017-03-26 00:29:54
○ 2026-02-17 13:29:46
○ 2026-08-16 16:58:06

○MXaspmx.l.google.com2015-12-05 → 2017-03-26 · 5 obs

○ 2015-08-08 02:24:36
● 2015-12-05 22:42:08
● 2017-03-26 00:29:54
○ 2026-02-17 13:29:46
○ 2026-08-16 16:58:06

○MXmailstore1.secureserver.net2015-08-08 → 2015-08-08 · 3 obs

● 2015-08-08 02:24:36
○ 2015-12-05 22:42:08
○ 2026-08-16 16:58:06

●MXmx.stackmail.com2026-02-17 → 2026-08-16 · 3 obs

○ 2017-03-26 00:29:54
● 2026-02-17 13:29:46
● 2026-08-16 16:58:06

○MXsmtp.secureserver.net2015-08-08 → 2015-08-08 · 3 obs

● 2015-08-08 02:24:36
○ 2015-12-05 22:42:08
○ 2026-08-16 16:58:06

●A104.21.87.152026-02-17 → 2026-08-16 · 20 obs

○ 2017-03-26 00:29:54
● 2026-02-17 13:29:46
● 2026-03-01 09:00:44
○ 2026-03-04 04:13:14
● 2026-03-10 01:47:10
○ 2026-03-29 18:39:20
● 2026-04-07 04:10:34
● 2026-04-26 09:39:10
○ 2026-04-27 07:34:36
○ 2026-04-27 11:56:02
● 2026-05-09 06:02:00
● 2026-05-21 01:42:12
○ 2026-05-24 13:20:40
○ 2026-05-28 14:00:08
● 2026-06-01 11:25:58
● 2026-06-07 17:55:08
○ 2026-06-08 10:22:14
○ 2026-06-17 13:32:24
● 2026-06-24 18:05:52
● 2026-08-16 16:58:06

●A172.67.139.382026-02-17 → 2026-08-16 · 20 obs

○A188.114.96.02026-03-04 → 2026-06-17 · 18 obs

○ 2026-03-01 09:00:44
● 2026-03-04 04:13:14
○ 2026-03-10 01:47:10
● 2026-03-29 18:39:20
○ 2026-04-07 04:10:34
○ 2026-04-26 09:39:10
● 2026-04-27 07:34:36
● 2026-04-27 11:56:02
○ 2026-05-09 06:02:00
○ 2026-05-21 01:42:12
● 2026-05-24 13:20:40
● 2026-05-28 14:00:08
○ 2026-06-01 11:25:58
○ 2026-06-07 17:55:08
● 2026-06-08 10:22:14
● 2026-06-17 13:32:24
○ 2026-06-24 18:05:52
○ 2026-08-16 16:58:06

○A188.114.97.02026-03-04 → 2026-06-17 · 18 obs

○A191.238.8.262015-08-08 → 2017-03-26 · 4 obs

● 2015-08-08 02:24:36
● 2017-03-26 00:29:54
○ 2026-02-17 13:29:46
○ 2026-08-16 16:58:06

○A2606:4700:3031::ac43:8b262026-02-17 → 2026-06-07 · 18 obs

○A2606:4700:3033::6815:570f2026-02-17 → 2026-06-07 · 18 obs

●A2606:4700:3034::ac43:8b262026-06-24 → 2026-08-16 · 3 obs

○ 2026-06-17 13:32:24
● 2026-06-24 18:05:52
● 2026-08-16 16:58:06

●A2606:4700:3036::6815:570f2026-06-24 → 2026-08-16 · 3 obs

○ 2026-06-17 13:32:24
● 2026-06-24 18:05:52
● 2026-08-16 16:58:06

○A2a06:98c1:3120::2026-03-04 → 2026-06-17 · 18 obs

○A2a06:98c1:3121::2026-03-04 → 2026-06-17 · 18 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net...	-
knowtro.com	serena.ns.cloudflare.com, armfazh.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.104

NS records: serena.ns.cloudflare.com, armfazh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowtro.com (unsigned zone)

⏱️ Timing

Total: 221ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.139.38, 104.21.87.15`
AAAA	2	`2606:4700:3036::6815:570f, 2606:4700:3034::ac43:8b26`
NS	2	`armfazh.ns.cloudflare.com, serena.ns.cloudflare.com`
MX	1	`mx.stackmail.com (pri: 10)`
TXT	1	`v=spf1 include:spf.stackmail.com a mx -a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`armfazh.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain www.knowtro.com falls under the parent knowtro.com.

IP Addresses

knowtro.com points to the four IP addresses 104.21.87.15, 172.67.139.38, 2606:4700:3034::ac43:8b26 and 2606:4700:3036::6815:570f.

claudecode.pro, 6he.cc, ferekebenimo.foaptoa.com plus two other host names have IP numbers in common with knowtro.com.

Name Servers

knowtro.com is delegated to two name servers: armfazh.ns.cloudflare.com and serena.ns.cloudflare.com.

The name server configuration of knowtro.com is shared with other domains, for instance ddtautoparts.com, carreraquinta.com, ong24.org and two others.

At least some of knowtro.com's name servers are shared with other domains, for example school17-smol.ru, futureguis.com, casino-lunubet.net and two more.

These name servers tend to be used in conjunction with the name servers violet.ns.cloudflare.com.

Hosts with 6 IP addresses each:

armfazh.ns.cloudflare.com resolves to 108.162.195.104, 162.159.44.104, 172.64.35.104 and 3 other IP addresses.

serena.ns.cloudflare.com resolves to 108.162.192.220, 172.64.32.220, 173.245.58.220 and 3 other IP addresses.

Mail Servers

knowtro.com uses one mail server — mx.stackmail.com.

The mail server setup of knowtro.com matches that of other domains such as adultformeets.com, stnsolution.com, melksham.org and two others.

knowtro.com overlaps on mail servers with certain other domains, brooklandsjewellers.co.uk among them.

mx.stackmail.com resolves to a single IP number: 185.151.28.67.