knock.com - dns.ninja

`knock.com`

DNSSEC	⚠️ Not signed
A	18.235.45.123^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
		PTR	`ec2-18-235-45-123.compute-1.amazonaws.com`
A	52.22.161.116^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
A	52.73.106.125^{🇺🇸 Amazon52.72.0.0/15 EC2 IAD prefix}
A	52.200.122.40^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
A	98.86.34.123^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
A	100.58.140.159^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
NS	`ns-167.awsdns-20.com` ⭐
		A	2600:9000:5300:a700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-167.awsdns-20.com`
		A	205.251.192.167^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-167.awsdns-20.com`
NS	`ns-1241.awsdns-27.org`
		A	2600:9000:5304:d900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1241.awsdns-27.org`
		A	205.251.196.217^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1241.awsdns-27.org`
NS	`ns-1694.awsdns-19.co.uk`
		A	2600:9000:5306:9e00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1694.awsdns-19.co.uk`
		A	205.251.198.158^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1694.awsdns-19.co.uk`
NS	`ns-873.awsdns-45.net`
		A	2600:9000:5303:6900::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-873.awsdns-45.net`
		A	205.251.195.105^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-873.awsdns-45.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`9ysvvz54m2rhcvkgqj382n0z3fhjwlnj`
TXT	`MS=ms19913729`
TXT	`ZOOM_verify_3dn__ljlTSmreOcBSTEweg`
TXT	`apple-domain-verification=EsZKoMHHmx0ZemVT`
TXT	`atlassian-domain-verification=QywZxZuJl3vkQt6e6U3cKwsYgeFbANDB03iuCUJmMjYjJX5...`
TXT	`docusign=4ccdeb50-6dab-411f-8b66-79c143d549ff`
TXT	`facebook-domain-verification=ajv3dmmlv84wdx73tbussgb3fn5cfc`
TXT	`google-site-verification=CK0tXDE4Z-CMpeXs6auV80VL3pXW4rjueBfCq3VGOSk`
TXT	`google-site-verification=SkJuwQVEtSo9vX2ESUHonuKQZ7xJRupOHDuWAb2wk78`
TXT	`google-site-verification=frhgtJiJ5K1KaYcIutU2_IHNM9aSGGXkcnrZ1NVoA6o`
TXT	`twilio-domain-verification=ab194851c2c7a8881ae1875d819185bc`
TXT	`v=spf1 include:_spf.google.com include:customeriomail.com include:em9009.seis...`
SOA	`ns-167.awsdns-20.com`awsdns-hostmaster@amazon.com serial=1

`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=1782375055

rank #417718 globally
rank #179857 in the tld
📈 Tranco rank: #714,139

Subdomains

customerio.knock.com

my.knock.com

Same first word

knock.xyz

knock.io

knock.googlecode.com

knock.ws

knock.im

knock.no

knock.be

knock.tel

knock.it

knock.agency

knock.de

knock.fyi

knock.com

knock.co

knock.com.mx

knock.link

knock.biz

knock.tw

knock.to

knock.co.uk

knock.cz

knock.chat

knock.world

knock.app

Similar names

kkcon.com

okkcn.com

kncok.com

ckokn.com

nkkco.jp

nokck.com

kkcon.de

nokck.org

knkco.com

okcnk.com

cnokk.com

conkk.com

DNS History

57 records (15 active, 42 former)

○NSfeed14.nameservers.net2015-06-22 → 2016-04-11 · 5 obs

○ 2007-08-15 13:12:00
● 2015-06-22 12:44:30
● 2016-04-11 21:22:22
○ 2017-12-15 21:32:48
○ 2026-06-25 08:16:08

●NSns-1241.awsdns-27.org2017-12-15 → 2026-06-25 · 3 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
● 2026-06-25 08:16:08

●NSns-167.awsdns-20.com2017-12-15 → 2026-06-25 · 3 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
● 2026-06-25 08:16:08

●NSns-1694.awsdns-19.co.uk2017-12-15 → 2026-06-25 · 3 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
● 2026-06-25 08:16:08

●NSns-873.awsdns-45.net2017-12-15 → 2026-06-25 · 3 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
● 2026-06-25 08:16:08

○NSns14a.nameservers.net2007-08-15 → 2016-04-11 · 4 obs

● 2007-08-15 13:12:00
● 2016-04-11 21:22:22
○ 2017-12-15 21:32:48
○ 2026-06-25 08:16:08

○NSns14b.nameservers.net2007-08-15 → 2016-04-11 · 4 obs

● 2007-08-15 13:12:00
● 2016-04-11 21:22:22
○ 2017-12-15 21:32:48
○ 2026-06-25 08:16:08

●MXalt1.aspmx.l.google.com2017-12-15 → 2026-06-25 · 3 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
● 2026-06-25 08:16:08

●MXalt2.aspmx.l.google.com2017-12-15 → 2026-06-25 · 3 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
● 2026-06-25 08:16:08

●MXaspmx.l.google.com2017-12-15 → 2026-06-25 · 3 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
● 2026-06-25 08:16:08

●MXaspmx2.googlemail.com2017-12-15 → 2026-06-25 · 3 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
● 2026-06-25 08:16:08

●MXaspmx3.googlemail.com2017-12-15 → 2026-06-25 · 3 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
● 2026-06-25 08:16:08

○MXmail-fwd.g14.rapidsite.net2007-08-15 → 2015-10-02 · 4 obs

● 2007-08-15 13:12:00
● 2015-10-02 18:49:40
○ 2015-12-17 16:43:10
○ 2026-06-25 08:16:08

○MXmail-fwd.mx.g14.rapidsite.net2015-12-17 → 2016-04-11 · 5 obs

○ 2015-10-02 18:49:40
● 2015-12-17 16:43:10
● 2016-04-11 21:22:22
○ 2017-12-15 21:32:48
○ 2026-06-25 08:16:08

○A100.49.107.1682026-05-09 → 2026-05-09 · 4 obs

○ 2026-04-03 07:16:00
● 2026-05-09 23:54:20
○ 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

○A100.51.58.532026-02-21 → 2026-06-25 · 2 obs

○ 2026-02-21 06:22:56
○ 2026-06-25 08:16:08

●A100.58.140.1592026-06-25 → 2026-06-25 · 2 obs

○ 2026-05-29 13:22:56
● 2026-06-25 08:16:08

○A13.223.192.1222026-05-09 → 2026-05-09 · 4 obs

○ 2026-04-03 07:16:00
● 2026-05-09 23:54:20
○ 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

○A18.209.152.922026-03-28 → 2026-04-03 · 5 obs

○ 2026-02-22 14:56:24
● 2026-03-28 15:39:24
● 2026-04-03 07:16:00
○ 2026-05-09 23:54:20
○ 2026-06-25 08:16:08

○A18.233.49.1512026-05-09 → 2026-05-09 · 4 obs

○ 2026-04-03 07:16:00
● 2026-05-09 23:54:20
○ 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

●A18.235.45.1232026-06-25 → 2026-06-25 · 2 obs

○ 2026-05-29 13:22:56
● 2026-06-25 08:16:08

○A207.57.17.672007-08-15 → 2016-04-11 · 4 obs

● 2007-08-15 13:12:00
● 2016-04-11 21:22:22
○ 2017-12-15 21:32:48
○ 2026-06-25 08:16:08

○A216.239.32.212017-12-15 → 2017-12-15 · 4 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
○ 2026-02-21 06:22:56
○ 2026-06-25 08:16:08

○A216.239.34.212017-12-15 → 2017-12-15 · 4 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
○ 2026-02-21 06:22:56
○ 2026-06-25 08:16:08

○A216.239.36.212017-12-15 → 2017-12-15 · 4 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
○ 2026-02-21 06:22:56
○ 2026-06-25 08:16:08

○A216.239.38.212017-12-15 → 2017-12-15 · 4 obs

○ 2016-04-11 21:22:22
● 2017-12-15 21:32:48
○ 2026-02-21 06:22:56
○ 2026-06-25 08:16:08

○A3.215.166.2412026-05-09 → 2026-05-09 · 4 obs

○ 2026-04-03 07:16:00
● 2026-05-09 23:54:20
○ 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

○A3.218.30.292026-02-21 → 2026-06-25 · 2 obs

○ 2026-02-21 06:22:56
○ 2026-06-25 08:16:08

○A3.221.188.2142026-03-28 → 2026-03-29 · 5 obs

○ 2026-02-22 14:56:24
● 2026-03-28 15:39:24
● 2026-03-29 20:27:00
○ 2026-04-03 07:16:00
○ 2026-06-25 08:16:08

○A3.222.28.532026-02-21 → 2026-02-22 · 5 obs

○ 2017-12-15 21:32:48
● 2026-02-21 06:22:56
● 2026-02-22 14:56:24
○ 2026-03-28 15:39:24
○ 2026-06-25 08:16:08

○A3.230.66.2542026-02-21 → 2026-06-25 · 2 obs

○ 2026-02-21 06:22:56
○ 2026-06-25 08:16:08

○A3.86.117.712026-03-28 → 2026-04-03 · 5 obs

○ 2026-02-22 14:56:24
● 2026-03-28 15:39:24
● 2026-04-03 07:16:00
○ 2026-05-09 23:54:20
○ 2026-06-25 08:16:08

○A3.88.123.2452026-03-28 → 2026-04-03 · 5 obs

○ 2026-02-22 14:56:24
● 2026-03-28 15:39:24
● 2026-04-03 07:16:00
○ 2026-05-09 23:54:20
○ 2026-06-25 08:16:08

○A3.95.72.2362026-05-09 → 2026-05-09 · 4 obs

○ 2026-04-03 07:16:00
● 2026-05-09 23:54:20
○ 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

○A32.194.74.1612026-03-28 → 2026-04-03 · 5 obs

○ 2026-02-22 14:56:24
● 2026-03-28 15:39:24
● 2026-04-03 07:16:00
○ 2026-05-09 23:54:20
○ 2026-06-25 08:16:08

○A34.195.50.1022026-03-28 → 2026-03-28 · 4 obs

○ 2026-02-22 14:56:24
● 2026-03-28 15:39:24
○ 2026-03-29 08:55:36
○ 2026-06-25 08:16:08

○A34.228.91.152026-03-29 → 2026-04-03 · 5 obs

○ 2026-03-28 15:39:24
● 2026-03-29 08:55:36
● 2026-04-03 07:16:00
○ 2026-05-09 23:54:20
○ 2026-06-25 08:16:08

○A35.153.241.682026-04-03 → 2026-04-03 · 4 obs

○ 2026-03-29 20:27:00
● 2026-04-03 07:16:00
○ 2026-05-09 23:54:20
○ 2026-06-25 08:16:08

○A44.219.75.1102026-02-21 → 2026-02-22 · 5 obs

○ 2017-12-15 21:32:48
● 2026-02-21 06:22:56
● 2026-02-22 14:56:24
○ 2026-03-28 15:39:24
○ 2026-06-25 08:16:08

○A44.221.119.2352026-05-29 → 2026-05-29 · 3 obs

○ 2026-05-09 23:54:20
● 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

○A52.1.103.2222026-02-21 → 2026-06-25 · 2 obs

○ 2026-02-21 06:22:56
○ 2026-06-25 08:16:08

●A52.200.122.402026-06-25 → 2026-06-25 · 2 obs

○ 2026-05-29 13:22:56
● 2026-06-25 08:16:08

○A52.203.150.1472026-02-21 → 2026-06-25 · 2 obs

○ 2026-02-21 06:22:56
○ 2026-06-25 08:16:08

○A52.204.18.122026-02-21 → 2026-02-22 · 5 obs

○ 2017-12-15 21:32:48
● 2026-02-21 06:22:56
● 2026-02-22 14:56:24
○ 2026-03-28 15:39:24
○ 2026-06-25 08:16:08

○A52.21.169.1512026-02-21 → 2026-02-22 · 5 obs

○ 2017-12-15 21:32:48
● 2026-02-21 06:22:56
● 2026-02-22 14:56:24
○ 2026-03-28 15:39:24
○ 2026-06-25 08:16:08

●A52.22.161.1162026-06-25 → 2026-06-25 · 2 obs

○ 2026-05-29 13:22:56
● 2026-06-25 08:16:08

○A52.22.161.1722026-02-21 → 2026-06-25 · 2 obs

○ 2026-02-21 06:22:56
○ 2026-06-25 08:16:08

○A52.45.222.2172026-05-29 → 2026-05-29 · 3 obs

○ 2026-05-09 23:54:20
● 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

○A52.7.7.1402026-05-29 → 2026-05-29 · 3 obs

○ 2026-05-09 23:54:20
● 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

●A52.73.106.1252026-06-25 → 2026-06-25 · 2 obs

○ 2026-05-29 13:22:56
● 2026-06-25 08:16:08

○A54.164.20.662026-02-21 → 2026-02-22 · 5 obs

○ 2017-12-15 21:32:48
● 2026-02-21 06:22:56
● 2026-02-22 14:56:24
○ 2026-03-28 15:39:24
○ 2026-06-25 08:16:08

○A54.205.85.1492026-05-09 → 2026-05-09 · 4 obs

○ 2026-04-03 07:16:00
● 2026-05-09 23:54:20
○ 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

○A54.225.157.1922026-05-29 → 2026-05-29 · 3 obs

○ 2026-05-09 23:54:20
● 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

○A54.235.180.1612026-05-29 → 2026-05-29 · 3 obs

○ 2026-05-09 23:54:20
● 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

○A98.80.32.702026-02-21 → 2026-02-22 · 5 obs

○ 2017-12-15 21:32:48
● 2026-02-21 06:22:56
● 2026-02-22 14:56:24
○ 2026-03-28 15:39:24
○ 2026-06-25 08:16:08

●A98.86.34.1232026-06-25 → 2026-06-25 · 2 obs

○ 2026-05-29 13:22:56
● 2026-06-25 08:16:08

○A98.95.202.2442026-05-29 → 2026-05-29 · 3 obs

○ 2026-05-09 23:54:20
● 2026-05-29 13:22:56
○ 2026-06-25 08:16:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knock.com	ns-167.awsdns-20.com, ns-873.awsdns-45.net, ns-1694.awsdns-19.co.uk, ns-1241.awsdns-27.org	2 records

✅ Authoritative Response

Server:205.251.195.105

NS records: ns-167.awsdns-20.com, ns-873.awsdns-45.net, ns-1694.awsdns-19.co.uk, ns-1241.awsdns-27.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knock.com (unsigned zone)

⏱️ Timing

Total: 311ms | Queries: -

📄 Records

Type	Count	Sample Data
A	6	`52.73.106.125, 52.200.122.40...`
NS	4	`ns-1241.awsdns-27.org, ns-167.awsdns-20.com...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	12	`9ysvvz54m2rhcvkgqj382n0z3fhjwlnj, MS=ms19913729...`
SOA	1	`ns-167.awsdns-20.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-167.awsdns-20.com, ns-167.awsdns-20.com)

Analysis

Hierarchy

customerio.knock.com and my.knock.com each fall under knock.com as their parent domain.

IP Addresses

knock.com directs to 6 IP numbers: 18.235.45.123, 52.22.161.116, 52.73.106.125 and 3 other.

ec2-52-200-122-40.compute-1.amazonaws.com is an example of another host name that shares IP numbers with knock.com.

Name Servers

The NS records for knock.com point to four name servers: ns-167.awsdns-20.com, ns-873.awsdns-45.net, ns-1241.awsdns-27.org and ns-1694.awsdns-19.co.uk.

knock.com has at least partial name server overlap with other domains, such as lifemiyo.net, d2ceajmenohecu.cloudfront.net, preprod.r2d2.alpha.digital.mod.uk and two others.

ns-167.awsdns-20.com, ns-873.awsdns-45.net, ns-1241.awsdns-27.org and ns-1694.awsdns-19.co.uk all point to exactly two IP numbers each: ns-167.awsdns-20.com → 205.251.192.167 and 2600:9000:5300:a700::1; ns-873.awsdns-45.net → 205.251.195.105 and 2600:9000:5303:6900::1; ns-1241.awsdns-27.org → 205.251.196.217 and 2600:9000:5304:d900::1; ns-1694.awsdns-19.co.uk → 205.251.198.158 and 2600:9000:5306:9e00::1.

Mail Servers

knock.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between knock.com and other domains, including ns500742.ns500754.ns500742.ns500704.ns500742.ns500742.ns500688.ns500671.ns500291.ns500649.ns500131.lustychickser.com, lifeaspractice.wpengine.com, ns500754.ns500731.ns500742.ns500742.ns500671.ns500705.ns500688.ns500704.ns500688.ns500678.ns500666.ns500653.ns500153.tenderladiesbz.com and two others.

These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt4.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com resolves to 142.251.163.27 and 2607:f8b0:4004:c17::1a.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1a IP addresses.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.26 IP addresses.