perknow.com - dns.ninja

`perknow.com`

DNSSEC	⚠️ Not signed
A	18.211.166.153^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
		PTR	`ec2-18-211-166-153.compute-1.amazonaws.com`
A	34.202.203.47^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
A	54.243.86.28^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`darl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c162^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2162^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darl.ns.cloudflare.com`
		A	108.162.193.98^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	172.64.33.98^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	173.245.59.98^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
NS	`elle.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elle.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elle.ns.cloudflare.com`
		A	108.162.192.110^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	172.64.32.110^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	173.245.58.110^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
MX	`mailstream-west.mxrecord.io` ⭐
		A	172.65.220.210^{🇺🇸 Cloudflare172.65.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mailstream-central.mxrecord.mx`⁽¹⁰⁾
		A	172.65.64.78^{🇺🇸 Cloudflare172.65.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mailstream-east.mxrecord.io`⁽²⁰⁾
		A	172.65.213.128^{🇺🇸 Cloudflare172.65.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`google-site-verification=L5j5RmyqrVg7zwCvhkSU9xSEAVlAOY6Nc8MCDOruoyc`
TXT	`v=spf1 a mx include:_spf.google.com include:spf.sendinblue.com include:_spf....`
SOA	`darl.ns.cloudflare.com`dns@cloudflare.com serial=2411405246

`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=1786180934

Subdomains

app.perknow.com

Same first word

perknow.com

Similar names

nwpoker.com

penwork.org

preknow.info

pkowner.net

preknow.org

preknow.net

preknow.com

nepwork.com

penwork.net

workpen.com

newkorp.com

DNS History

27 records (8 active, 19 former)

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

○ 2017-07-17 08:13:04
● 2026-02-16 06:52:40
● 2026-08-08 09:52:46

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

○ 2017-07-17 08:13:04
● 2026-02-16 06:52:40
● 2026-08-08 09:52:46

○NSns-cloud-c1.googledomains.com2017-05-08 → 2017-07-17 · 4 obs

● 2017-05-08 05:16:34
● 2017-07-17 08:13:04
○ 2026-02-16 06:52:40
○ 2026-08-08 09:52:46

○NSns-cloud-c2.googledomains.com2017-05-08 → 2017-07-17 · 4 obs

● 2017-05-08 05:16:34
● 2017-07-17 08:13:04
○ 2026-02-16 06:52:40
○ 2026-08-08 09:52:46

○NSns-cloud-c3.googledomains.com2017-05-08 → 2017-07-17 · 4 obs

● 2017-05-08 05:16:34
● 2017-07-17 08:13:04
○ 2026-02-16 06:52:40
○ 2026-08-08 09:52:46

○NSns-cloud-c4.googledomains.com2017-05-08 → 2017-07-17 · 4 obs

● 2017-05-08 05:16:34
● 2017-07-17 08:13:04
○ 2026-02-16 06:52:40
○ 2026-08-08 09:52:46

○MXalt1.aspmx.l.google.com2017-05-08 → 2017-07-17 · 4 obs

● 2017-05-08 05:16:34
● 2017-07-17 08:13:04
○ 2026-02-16 06:52:40
○ 2026-08-08 09:52:46

○MXalt2.aspmx.l.google.com2017-05-08 → 2017-07-17 · 4 obs

● 2017-05-08 05:16:34
● 2017-07-17 08:13:04
○ 2026-02-16 06:52:40
○ 2026-08-08 09:52:46

○MXalt3.aspmx.l.google.com2017-05-08 → 2017-07-17 · 4 obs

● 2017-05-08 05:16:34
● 2017-07-17 08:13:04
○ 2026-02-16 06:52:40
○ 2026-08-08 09:52:46

○MXalt4.aspmx.l.google.com2017-05-08 → 2017-07-17 · 4 obs

● 2017-05-08 05:16:34
● 2017-07-17 08:13:04
○ 2026-02-16 06:52:40
○ 2026-08-08 09:52:46

○MXaspmx.l.google.com2017-05-08 → 2017-07-17 · 4 obs

● 2017-05-08 05:16:34
● 2017-07-17 08:13:04
○ 2026-02-16 06:52:40
○ 2026-08-08 09:52:46

●MXmailstream-central.mxrecord.mx2026-02-16 → 2026-08-08 · 3 obs

○ 2017-07-17 08:13:04
● 2026-02-16 06:52:40
● 2026-08-08 09:52:46

●MXmailstream-east.mxrecord.io2026-02-16 → 2026-08-08 · 3 obs

○ 2017-07-17 08:13:04
● 2026-02-16 06:52:40
● 2026-08-08 09:52:46

●MXmailstream-west.mxrecord.io2026-02-16 → 2026-08-08 · 3 obs

○ 2017-07-17 08:13:04
● 2026-02-16 06:52:40
● 2026-08-08 09:52:46

○A15.160.106.2032026-02-17 → 2026-02-17 · 4 obs

○ 2026-02-16 06:52:40
● 2026-02-17 08:01:32
○ 2026-02-17 09:10:30
○ 2026-08-08 09:52:46

○A15.161.34.422026-02-17 → 2026-02-17 · 4 obs

○ 2026-02-16 06:52:40
● 2026-02-17 08:01:32
○ 2026-02-17 09:10:30
○ 2026-08-08 09:52:46

○A18.202.8.752026-02-17 → 2026-07-25 · 48 obs

○ 2026-02-17 09:10:30
● 2026-02-17 10:10:50
○ 2026-02-18 00:51:28
○ 2026-02-18 19:25:42
● 2026-02-22 22:23:48
● 2026-02-25 21:51:32
○ 2026-02-27 23:18:42
● 2026-03-02 11:44:18
● 2026-03-05 14:14:42
○ 2026-03-07 23:01:26
● 2026-03-08 10:47:50
○ 2026-03-09 03:24:02
○ 2026-03-10 04:26:56
● 2026-03-11 09:43:44
○ 2026-03-12 11:10:34
● 2026-03-14 11:41:00
● 2026-03-18 07:46:54
○ 2026-03-19 02:20:44
● 2026-03-24 07:17:58
○ 2026-03-24 10:46:12
○ 2026-04-08 23:47:58
● 2026-04-12 14:25:54
○ 2026-04-17 04:34:52
○ 2026-04-26 12:30:18
● 2026-04-28 19:44:02
○ 2026-05-01 02:35:12
● 2026-05-07 10:58:36
○ 2026-05-12 11:33:24
○ 2026-05-13 19:53:42
● 2026-05-15 15:09:26
● 2026-05-18 21:10:26
○ 2026-05-24 18:11:36
○ 2026-05-28 22:18:34
● 2026-05-29 08:01:42
○ 2026-05-31 18:12:02
○ 2026-06-02 21:46:38
● 2026-06-04 09:09:12
○ 2026-06-04 19:25:38
○ 2026-06-16 05:10:04
● 2026-06-16 11:20:00
○ 2026-06-30 09:57:26
● 2026-07-08 13:06:04
○ 2026-07-08 15:55:46
● 2026-07-13 11:56:46
○ 2026-07-15 12:31:44
● 2026-07-25 16:46:30
○ 2026-08-07 20:34:06
○ 2026-08-08 09:52:46

●A18.211.166.1532026-03-07 → 2026-08-08 · 38 obs

○ 2026-02-16 06:52:40
○ 2026-03-05 14:14:42
● 2026-03-07 23:01:26
○ 2026-03-08 10:47:50
● 2026-03-09 03:24:02
● 2026-03-10 04:26:56
○ 2026-03-11 09:43:44
○ 2026-04-05 11:15:52
● 2026-04-08 23:47:58
○ 2026-04-12 14:25:54
○ 2026-04-17 04:34:52
● 2026-04-25 23:06:56
● 2026-04-26 11:36:26
○ 2026-04-26 12:30:18
○ 2026-05-07 10:58:36
● 2026-05-12 11:33:24
○ 2026-05-13 17:37:02
○ 2026-05-24 18:11:36
● 2026-05-25 13:14:44
○ 2026-05-28 21:16:12
● 2026-05-28 22:18:34
○ 2026-05-29 08:01:42
○ 2026-05-31 18:12:02
● 2026-06-01 21:42:42
○ 2026-06-02 03:48:36
● 2026-06-02 21:46:38
○ 2026-06-04 09:09:12
● 2026-06-04 19:25:38
● 2026-06-10 02:34:46
○ 2026-06-11 15:43:16
● 2026-06-12 01:40:26
○ 2026-06-15 15:36:34
● 2026-07-09 13:24:00
○ 2026-07-11 10:37:36
● 2026-07-17 22:10:22
○ 2026-07-23 23:39:52
● 2026-08-07 20:34:06
● 2026-08-08 09:52:46

○A3.248.56.1522026-02-17 → 2026-07-25 · 48 obs

●A34.202.203.472026-03-07 → 2026-08-08 · 38 obs

○A34.210.109.1462026-02-16 → 2026-07-23 · 59 obs

○ 2017-07-17 08:13:04
● 2026-02-16 06:52:40
○ 2026-02-17 08:01:32
● 2026-02-17 09:10:30
○ 2026-02-17 10:10:50
● 2026-02-18 00:51:28
● 2026-02-18 19:25:42
○ 2026-02-22 22:23:48
○ 2026-02-25 21:51:32
● 2026-02-27 23:18:42
○ 2026-03-02 11:44:18
○ 2026-03-11 09:43:44
● 2026-03-12 11:10:34
○ 2026-03-14 11:41:00
○ 2026-03-18 07:46:54
● 2026-03-19 02:20:44
○ 2026-03-24 07:17:58
● 2026-03-24 10:46:12
● 2026-04-05 11:15:52
○ 2026-04-08 23:47:58
○ 2026-04-12 14:25:54
● 2026-04-17 04:34:52
○ 2026-04-25 23:06:56
○ 2026-04-26 11:36:26
● 2026-04-26 12:30:18
○ 2026-04-28 19:44:02
● 2026-05-01 02:35:12
○ 2026-05-07 10:58:36
○ 2026-05-12 11:33:24
● 2026-05-13 17:37:02
● 2026-05-13 19:53:42
○ 2026-05-15 15:09:26
○ 2026-05-18 21:10:26
● 2026-05-24 18:11:36
○ 2026-05-25 13:14:44
● 2026-05-28 21:16:12
○ 2026-05-28 22:18:34
○ 2026-05-29 08:01:42
● 2026-05-31 18:12:02
○ 2026-06-01 21:42:42
● 2026-06-02 03:48:36
○ 2026-06-02 21:46:38
○ 2026-06-10 02:34:46
● 2026-06-11 15:43:16
○ 2026-06-12 01:40:26
● 2026-06-15 15:36:34
● 2026-06-16 05:10:04
○ 2026-06-16 11:20:00
● 2026-06-30 09:57:26
○ 2026-07-08 13:06:04
● 2026-07-08 15:55:46
○ 2026-07-09 13:24:00
● 2026-07-11 10:37:36
○ 2026-07-13 11:56:46
● 2026-07-15 12:31:44
○ 2026-07-17 22:10:22
● 2026-07-23 23:39:52
○ 2026-07-25 16:46:30
○ 2026-08-08 09:52:46

○A34.217.231.1102026-02-16 → 2026-07-23 · 59 obs

○A35.152.117.672026-02-17 → 2026-02-17 · 4 obs

○ 2026-02-16 06:52:40
● 2026-02-17 08:01:32
○ 2026-02-17 09:10:30
○ 2026-08-08 09:52:46

○A44.229.220.2222026-02-16 → 2026-07-23 · 59 obs

○A54.155.19.652026-02-17 → 2026-07-25 · 48 obs

○A54.202.36.2212017-05-08 → 2017-07-17 · 4 obs

● 2017-05-08 05:16:34
● 2017-07-17 08:13:04
○ 2026-02-16 06:52:40
○ 2026-08-08 09:52:46

●A54.243.86.282026-03-07 → 2026-08-08 · 38 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
perknow.com	elle.ns.cloudflare.com, darl.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:173.245.59.98

NS records: elle.ns.cloudflare.com, darl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for perknow.com (unsigned zone)

⏱️ Timing

Total: 241ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`34.202.203.47, 54.243.86.28...`
NS	2	`darl.ns.cloudflare.com, elle.ns.cloudflare.com`
MX	3	`mailstream-central.mxrecord.mx (pri: 10), mailstream-east.mxrecord.io (pri: 20)...`
TXT	2	`google-site-verification=L5j5RmyqrVg7zwC, v=spf1 a mx include:_spf.google.com inc`
SOA	1	`darl.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain app.perknow.com falls under the parent perknow.com.

IP Addresses

perknow.com points to three IP numbers, namely 18.211.166.153, 34.202.203.47 and 54.243.86.28.

capitalconcreteandfencing.com, trymosaic.com, bir.ch and two other host names share IP numbers with perknow.com.

Name Servers

perknow.com is served by two delegated name servers, darl.ns.cloudflare.com and elle.ns.cloudflare.com.

perknow.com uses the same name servers as several other domains — among them fevronia.gr, privacybot.com, barbarajascht.com and two more.

At least some of perknow.com's name servers are shared with other domains, for example warkop4d-from.com, numbergenerator.online, royclark.org and two more.

These name servers tend to be deployed in combination with the name servers rosa.ns.cloudflare.com and clyde.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

darl.ns.cloudflare.com carries IP addresses 108.162.193.98, 172.64.33.98 and 173.245.59.98, with 3 other addresses beyond those.

elle.ns.cloudflare.com carries IP addresses 108.162.192.110, 172.64.32.110 and 173.245.58.110, with 3 other addresses beyond those.

Mail Servers

The MX records for perknow.com list three mail servers: mailstream-east.mxrecord.io, mailstream-west.mxrecord.io and mailstream-central.mxrecord.mx.

perknow.com has at least partial mail server overlap with other domains such as topautoonderdelen.nl, innquest.com, 314actionfund.org and two more.

It is common to see these mail servers combined with the mail servers mailstream-eu1.mxrecord.io, mxa.global.inbound.cf-emailsecurity.net and mxb.global.inbound.cf-emailsecurity.net.

Three hostnames, one IP address apiece: mailstream-east.mxrecord.io resolves to 172.65.213.128, mailstream-west.mxrecord.io resolves to 172.65.220.210 and mailstream-central.mxrecord.mx resolves to 172.65.64.78.