checkn.com - dns.ninja

`checkn.com`

DNSSEC	⚠️ Not signed
A	3.216.54.16^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-216-54-16.compute-1.amazonaws.com`
NS	`clark.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c157^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clark.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2157^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clark.ns.cloudflare.com`
		A	108.162.193.87^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	172.64.33.87^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	173.245.59.87^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
NS	`ruth.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ruth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ruth.ns.cloudflare.com`
		A	108.162.192.143^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	172.64.32.143^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	173.245.58.143^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
MX	`checkn-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr21cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr03cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c936::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	52.101.10.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr04cu00206.inbound.protection.outlook.com`
		A	52.101.40.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr05cu00402.inbound.protection.outlook.com`
		A	52.101.41.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01406.inbound.protection.outlook.com`
		A	52.101.41.56^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr21cu00100.inbound.protection.outlook.com`
TXT	`MS=ms68327494`
TXT	`google-site-verification=3O5YRhiId1StzVjcFShgqcLGOZ6ywipM2C86iMvrD2Q`
TXT	`v=spf1 ip4:66.96.128.0/18 include:spf.protection.outlook.com ~all`
SOA	`clark.ns.cloudflare.com`dns@cloudflare.com serial=2408141848

`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=1783219776

Subdomains

apilive.checkn.com

Same first word

checkn.de

checkn.com

checkn.info

checkn.org

Similar names

ncheck.mobi

ncheck.net

chnkce.com

ckchen.de

cnheck.net

chcken.com

ncheck.de

ncheck.co

kcchen.com.tw

ncheck.co.kr

chneck.net

chkecn.com

cnheck.com

ncheck.at

ncheck.us

hnkcec.com

ckchen.com

ncheck.com

DNS History

10 records (4 active, 6 former)

○NSbuy.internettraffic.com2015-06-06 → 2016-04-02 · 4 obs

● 2015-06-06 04:58:40
● 2016-04-02 11:05:38
○ 2017-04-03 03:43:54
○ 2026-07-05 02:52:44

●NSclark.ns.cloudflare.com2026-02-17 → 2026-07-05 · 3 obs

○ 2017-04-03 03:43:54
● 2026-02-17 00:28:30
● 2026-07-05 02:52:44

○NSns1.uniregistrymarket.link2017-04-03 → 2017-04-03 · 4 obs

○ 2016-04-02 11:05:38
● 2017-04-03 03:43:54
○ 2026-02-17 00:28:30
○ 2026-07-05 02:52:44

○NSns2.uniregistrymarket.link2017-04-03 → 2017-04-03 · 4 obs

○ 2016-04-02 11:05:38
● 2017-04-03 03:43:54
○ 2026-02-17 00:28:30
○ 2026-07-05 02:52:44

●NSruth.ns.cloudflare.com2026-02-17 → 2026-07-05 · 3 obs

○ 2017-04-03 03:43:54
● 2026-02-17 00:28:30
● 2026-07-05 02:52:44

○NSsell.internettraffic.com2015-06-06 → 2016-04-02 · 4 obs

● 2015-06-06 04:58:40
● 2016-04-02 11:05:38
○ 2017-04-03 03:43:54
○ 2026-07-05 02:52:44

●MXcheckn-com.mail.protection.outlook.com2026-02-17 → 2026-07-05 · 2 obs

● 2026-02-17 00:28:30
● 2026-07-05 02:52:44

●A3.216.54.162026-02-17 → 2026-07-05 · 3 obs

○ 2017-04-03 03:43:54
● 2026-02-17 00:28:30
● 2026-07-05 02:52:44

○A69.172.201.1532017-04-03 → 2017-04-03 · 4 obs

○ 2016-04-02 11:05:38
● 2017-04-03 03:43:54
○ 2026-02-17 00:28:30
○ 2026-07-05 02:52:44

○A69.172.201.2082015-06-06 → 2016-04-02 · 4 obs

● 2015-06-06 04:58:40
● 2016-04-02 11:05:38
○ 2017-04-03 03:43:54
○ 2026-07-05 02:52:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
checkn.com	ruth.ns.cloudflare.com, clark.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.143

NS records: ruth.ns.cloudflare.com, clark.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkn.com (unsigned zone)

⏱️ Timing

Total: 203ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.216.54.16`
NS	2	`clark.ns.cloudflare.com, ruth.ns.cloudflare.com`
MX	1	`checkn-com.mail.protection.outlook.com (`
TXT	3	`MS=ms68327494, google-site-verification=3O5YRhiId1StzVj...`
SOA	1	`clark.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

checkn.com is a parent domain of apilive.checkn.com.

IP Addresses

checkn.com resolves to just one IP address, 3.216.54.16.

ec2-3-216-54-16.compute-1.amazonaws.com, for instance, is one of the other host names sharing IP numbers with checkn.com.

Name Servers

checkn.com uses two name servers for its delegation: clark.ns.cloudflare.com and ruth.ns.cloudflare.com.

checkn.com shares its NS records with other domains, for example connorsandsullivan.com, erudite.news, smartcontract.com and two others.

checkn.com shares at least some of its name servers with other domains, including ibutanol.com, hillierpark.com.au, wl-i0ta.net and two others.

These name servers are frequently seen alongside the name servers keyla.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname clark.ns.cloudflare.com directs to 108.162.193.87, 172.64.33.87 and 173.245.59.87 along with 3 other IP addresses.

Hostname ruth.ns.cloudflare.com directs to 108.162.192.143, 172.64.32.143 and 173.245.58.143 along with 3 other IP addresses.

Mail Servers

The sole mail server for checkn.com is checkn-com.mail.protection.outlook.com.

With 8 IP addresses total, checkn-com.mail.protection.outlook.com resolves to 52.101.10.14, 52.101.40.2, 52.101.41.6 and 5 others.