appknow.net - dns.ninja

`appknow.net`

DNSSEC	⚠️ Not signed
NS	`dns079.a.register.com` ⭐ ⚠️ Not in parent delegation
		A	216.21.231.79^{🇺🇸 Jacksonville216.21.231.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns079.a.register.com`
NS	`dns1.register.com` ⚠️ Not in zone NS records
		A	162.159.27.248^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns119.b.register.com` ⚠️ Not in parent delegation
		A	216.21.232.119^{🇺🇸 Jacksonville216.21.232.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns119.b.register.com`
NS	`dns176.d.register.com` ⚠️ Not in parent delegation
		A	216.21.236.176^{🇺🇸 Jacksonville216.21.236.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns176.d.register.com`
NS	`dns2.register.com` ⚠️ Not in zone NS records
		A	162.159.26.197^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns241.c.register.com` ⚠️ Not in parent delegation
		A	216.21.235.241^{🇺🇸 Jacksonville216.21.234.0/23 NF ATL SUBNETS}
			PTR	`dns241.c.register.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.google.com`⁽³⁰⁾
MX	`aspmx3.google.com`⁽³⁰⁾
MX	`aspmx4.google.com`⁽³⁰⁾
MX	`aspmx5.google.com`⁽³⁰⁾
TXT	`google-site-verification=XzBvjsNC7IxyejMxNOQgpbKMj_6-TVPYj2vmCX7CbYU`
SOA	`dns079.a.register.com`root@register.com 2019-01-03 #13

`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=1786060199

Same first word

appknow.net

Similar names

knowapp.com

knowapp.de

DNS History

23 records (13 active, 10 former)

●NSdns079.a.register.com2026-03-28 → 2026-08-06 · 3 obs

○ 2016-09-15 04:27:50
● 2026-03-28 23:07:52
● 2026-08-06 23:55:04

●NSdns1.register.com2026-03-28 → 2026-08-06 · 3 obs

○ 2016-09-15 04:27:50
● 2026-03-28 23:07:52
● 2026-08-06 23:55:04

●NSdns119.b.register.com2026-03-28 → 2026-08-06 · 3 obs

○ 2016-09-15 04:27:50
● 2026-03-28 23:07:52
● 2026-08-06 23:55:04

●NSdns176.d.register.com2026-03-28 → 2026-08-06 · 3 obs

○ 2016-09-15 04:27:50
● 2026-03-28 23:07:52
● 2026-08-06 23:55:04

●NSdns2.register.com2026-03-28 → 2026-08-06 · 3 obs

○ 2016-09-15 04:27:50
● 2026-03-28 23:07:52
● 2026-08-06 23:55:04

●NSdns241.c.register.com2026-03-28 → 2026-08-06 · 3 obs

○ 2016-09-15 04:27:50
● 2026-03-28 23:07:52
● 2026-08-06 23:55:04

○NSns0.camblue.co.uk2015-07-19 → 2016-09-15 · 4 obs

● 2015-07-19 23:28:04
● 2016-09-15 04:27:50
○ 2026-03-28 23:07:52
○ 2026-08-06 23:55:04

○NSns0.ukplc.net.uk2015-07-19 → 2016-09-15 · 4 obs

● 2015-07-19 23:28:04
● 2016-09-15 04:27:50
○ 2026-03-28 23:07:52
○ 2026-08-06 23:55:04

○NSns1.camblue.co.uk2015-07-19 → 2016-09-15 · 4 obs

● 2015-07-19 23:28:04
● 2016-09-15 04:27:50
○ 2026-03-28 23:07:52
○ 2026-08-06 23:55:04

○NSns1.ukplc.net.uk2015-07-19 → 2016-09-15 · 4 obs

● 2015-07-19 23:28:04
● 2016-09-15 04:27:50
○ 2026-03-28 23:07:52
○ 2026-08-06 23:55:04

○NSns2.camblue.co.uk2015-07-19 → 2016-09-15 · 4 obs

● 2015-07-19 23:28:04
● 2016-09-15 04:27:50
○ 2026-03-28 23:07:52
○ 2026-08-06 23:55:04

○NSns2.ukplc.net.uk2015-07-19 → 2016-09-15 · 4 obs

● 2015-07-19 23:28:04
● 2016-09-15 04:27:50
○ 2026-03-28 23:07:52
○ 2026-08-06 23:55:04

●MXalt1.aspmx.l.google.com2015-07-19 → 2026-08-06 · 2 obs

● 2015-07-19 23:28:04
● 2026-08-06 23:55:04

●MXalt2.aspmx.l.google.com2015-07-19 → 2026-08-06 · 2 obs

● 2015-07-19 23:28:04
● 2026-08-06 23:55:04

●MXaspmx.l.google.com2015-07-19 → 2026-08-06 · 2 obs

● 2015-07-19 23:28:04
● 2026-08-06 23:55:04

●MXaspmx2.google.com2026-03-28 → 2026-08-06 · 3 obs

○ 2016-09-15 04:27:50
● 2026-03-28 23:07:52
● 2026-08-06 23:55:04

○MXaspmx2.googlemail.com2015-07-19 → 2016-09-15 · 4 obs

● 2015-07-19 23:28:04
● 2016-09-15 04:27:50
○ 2026-03-28 23:07:52
○ 2026-08-06 23:55:04

●MXaspmx3.google.com2026-03-28 → 2026-08-06 · 3 obs

○ 2016-09-15 04:27:50
● 2026-03-28 23:07:52
● 2026-08-06 23:55:04

○MXaspmx3.googlemail.com2015-07-19 → 2016-09-15 · 4 obs

● 2015-07-19 23:28:04
● 2016-09-15 04:27:50
○ 2026-03-28 23:07:52
○ 2026-08-06 23:55:04

●MXaspmx4.google.com2026-03-28 → 2026-08-06 · 3 obs

○ 2016-09-15 04:27:50
● 2026-03-28 23:07:52
● 2026-08-06 23:55:04

○MXaspmx4.googlemail.com2015-07-19 → 2016-09-15 · 4 obs

● 2015-07-19 23:28:04
● 2016-09-15 04:27:50
○ 2026-03-28 23:07:52
○ 2026-08-06 23:55:04

●MXaspmx5.google.com2026-03-28 → 2026-08-06 · 3 obs

○ 2016-09-15 04:27:50
● 2026-03-28 23:07:52
● 2026-08-06 23:55:04

○MXaspmx5.googlemail.com2015-07-19 → 2016-09-15 · 4 obs

● 2015-07-19 23:28:04
● 2016-09-15 04:27:50
○ 2026-03-28 23:07:52
○ 2026-08-06 23:55:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
appknow.net	dns1.register.com, dns2.register.com	-

✅ Authoritative Response

Server:162.159.26.197

NS records: dns1.register.com, dns2.register.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for appknow.net (unsigned zone)

⏱️ Timing

Total: 537ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`dns176.d.register.com, dns079.a.register.com...`
MX	7	`aspmx.l.google.com (pri: 10), aspmx2.google.com (pri: 30)...`
TXT	1	`google-site-verification=XzBvjsNC7IxyejM`
SOA	1	`dns079.a.register.com root.register.com`

Analysis

Name Servers

appknow.net is served by 6 authoritative name servers — among them dns1.register.com, dns2.register.com, dns079.a.register.com and 3 others.

appknow.net shares at least some of its name servers with other domains, including kticanali.com, alamocardiovascularconsultants.com, shopus2.com and two others.

These name servers are frequently seen alongside dns176.d.register.com, dns241.c.register.com, dns177.d.register.com and 7 other name servers.

Host names resolving to a single IP address:

The hostname dns1.register.com resolves to 162.159.27.248.

The hostname dns2.register.com resolves to 162.159.26.197.

The hostname dns079.a.register.com resolves to 216.21.231.79.

The hostname dns119.b.register.com resolves to 216.21.232.119.

The hostname dns241.c.register.com resolves to 216.21.235.241.

The hostname dns176.d.register.com resolves to 216.21.236.176.

Mail Servers

appknow.net is handled by 7 mail servers: aspmx2.google.com, aspmx3.google.com, aspmx4.google.com and 4 other.

At least some of the mail servers used by appknow.net are shared with other domains: terso.ru, dhedge.org, ns500734.ns500699.ns500693.ns500734.ns500734.ns500693.ns500699.ns500699.ns500693.ns500588.ns500588.ns500699.ns500683.ns500632.ns500588.ns500110.dtrkdll.com and two others among them.

These mail servers are often deployed together with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 7 other mail servers.

aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com are three hostnames that each resolve to a pair of IP addresses: aspmx.l.google.com to 172.253.115.26 and 2607:f8b0:4004:c07::1a, alt1.aspmx.l.google.com to 108.177.123.26 and 2800:3f0:4003:c0f::1a, and alt2.aspmx.l.google.com to 172.253.116.27 and 2a00:1450:400b:c02::1a.