`55check.com`

DNSSEC	⚠️ Not signed
A	3.167.99.10^{🇺🇸 Amazon3.167.96.0/21}
		PTR	`server-3-167-99-10.iad55.r.cloudfront.net`
A	3.167.99.43^{🇺🇸 Amazon3.167.96.0/21}
A	3.167.99.52^{🇺🇸 Amazon3.167.96.0/21}
A	3.167.99.57^{🇺🇸 Amazon3.167.96.0/21}
NS	`bns1.hostcocoa.com` ⭐
		A	205.251.192.254^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-254.awsdns-31.com`
NS	`bns2.hostcocoa.com`
		A	205.251.194.231^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-743.awsdns-28.net`
NS	`bns3.hostcocoa.com`
		A	205.251.196.209^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1233.awsdns-26.org`
NS	`bns4.hostcocoa.com`
		A	205.251.198.107^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1643.awsdns-13.co.uk`
MX	`55check-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc35::^{🇰🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-slxp216cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:cc35::1^{🇰🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-sevp216cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc35::2^{🇰🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-se2p216cu00602.inbound.protection.outlook.com`
		A	2a01:111:f403:cc37::^{🇰🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-puwp216cu00200.inbound.protection.outlook.com`
		A	52.101.153.0^{🇰🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-slxp216cu00200.inbound.protection.outlook.com`
		A	52.101.153.1^{🇰🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sevp216cu00101.inbound.protection.outlook.com`
		A	52.101.153.2^{🇰🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-se2p216cu00602.inbound.protection.outlook.com`
		A	52.101.155.0^{🇰🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-puwp216cu00200.inbound.protection.outlook.com`
TXT	`NETORGFT17324142.onmicrosoft.com`
TXT	`v=spf1 include:secureserver.net -all`
SOA	`bns1.hostcocoa.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=1771291435

Subdomains

www.55check.com

Same first word

55check.com

Similar names

check55.sakura.ne.jp

DNS History

25 records (9 active, 16 former)

●NSbns1.hostcocoa.com2026-03-17 → 2026-03-23 · 3 obs

○ 2015-10-20 04:02:24
● 2026-03-17 16:16:18
● 2026-03-23 23:05:02

●NSbns2.hostcocoa.com2026-03-17 → 2026-03-23 · 3 obs

○ 2015-10-20 04:02:24
● 2026-03-17 16:16:18
● 2026-03-23 23:05:02

●NSbns3.hostcocoa.com2026-03-17 → 2026-03-23 · 3 obs

○ 2015-10-20 04:02:24
● 2026-03-17 16:16:18
● 2026-03-23 23:05:02

●NSbns4.hostcocoa.com2026-03-17 → 2026-03-23 · 3 obs

○ 2015-10-20 04:02:24
● 2026-03-17 16:16:18
● 2026-03-23 23:05:02

○NSuns01.lolipop.jp2015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 04:29:18
○ 2015-10-20 04:02:24
○ 2026-03-23 23:05:02

○NSuns02.lolipop.jp2015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 04:29:18
○ 2015-10-20 04:02:24
○ 2026-03-23 23:05:02

●MX55check-com.mail.protection.outlook.com2026-03-17 → 2026-03-23 · 3 obs

○ 2015-10-20 04:02:24
● 2026-03-17 16:16:18
● 2026-03-23 23:05:02

○MXmx01.lolipop.jp2015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 04:29:18
○ 2015-10-20 04:02:24
○ 2026-03-23 23:05:02

○A13.226.144.1022026-03-18 → 2026-03-23 · 9 obs

○ 2026-03-18 05:28:16
● 2026-03-18 09:04:30
○ 2026-03-19 02:27:34
● 2026-03-20 02:57:00
○ 2026-03-20 10:59:16
○ 2026-03-23 02:33:04
● 2026-03-23 03:44:56
○ 2026-03-23 23:05:00
○ 2026-03-23 23:05:02

○A13.226.144.1162026-03-18 → 2026-03-23 · 9 obs

○A13.226.144.1282026-03-18 → 2026-03-23 · 9 obs

○A13.226.144.52026-03-18 → 2026-03-23 · 9 obs

○A13.32.230.1082026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-18 09:04:30
● 2026-03-19 02:27:34
○ 2026-03-20 02:57:00
○ 2026-03-23 23:05:02

○A13.32.230.342026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-18 09:04:30
● 2026-03-19 02:27:34
○ 2026-03-20 02:57:00
○ 2026-03-23 23:05:02

○A13.32.230.662026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-18 09:04:30
● 2026-03-19 02:27:34
○ 2026-03-20 02:57:00
○ 2026-03-23 23:05:02

○A13.32.230.712026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-18 09:04:30
● 2026-03-19 02:27:34
○ 2026-03-20 02:57:00
○ 2026-03-23 23:05:02

○A210.172.144.2462015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 04:29:18
○ 2015-10-20 04:02:24
○ 2026-03-23 23:05:02

●A3.167.99.102026-03-17 → 2026-03-23 · 13 obs

○ 2015-10-20 04:02:24
● 2026-03-17 16:16:18
● 2026-03-18 05:28:16
○ 2026-03-18 09:04:30
○ 2026-03-20 02:57:00
● 2026-03-20 10:59:16
● 2026-03-22 13:52:08
○ 2026-03-22 17:15:58
● 2026-03-23 00:13:48
● 2026-03-23 02:33:04
○ 2026-03-23 03:44:56
● 2026-03-23 23:05:00
● 2026-03-23 23:05:02

●A3.167.99.432026-03-17 → 2026-03-23 · 13 obs

●A3.167.99.522026-03-17 → 2026-03-23 · 13 obs

●A3.167.99.572026-03-17 → 2026-03-23 · 13 obs

○A3.171.117.1192026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 13:52:08
● 2026-03-22 17:15:58
○ 2026-03-23 00:13:48
○ 2026-03-23 23:05:02

○A3.171.117.252026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 13:52:08
● 2026-03-22 17:15:58
○ 2026-03-23 00:13:48
○ 2026-03-23 23:05:02

○A3.171.117.672026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 13:52:08
● 2026-03-22 17:15:58
○ 2026-03-23 00:13:48
○ 2026-03-23 23:05:02

○A3.171.117.832026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 13:52:08
● 2026-03-22 17:15:58
○ 2026-03-23 00:13:48
○ 2026-03-23 23:05:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net...	-
55check.com	bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com, bns4.hostcocoa.com	4 records

✅ Authoritative Response

Server:205.251.198.107

NS records: bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com, bns4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 55check.com (unsigned zone)

⏱️ Timing

Total: 173ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.99.43, 3.167.99.52...`
NS	4	`bns1.hostcocoa.com, bns2.hostcocoa.com...`
MX	1	`55check-com.mail.protection.outlook.com`
TXT	2	`NETORGFT17324142.onmicrosoft.com, v=spf1 include:secureserver.net -all`
SOA	1	`bns1.hostcocoa.com awsdns-hostmaster.ama`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com...)

Analysis

Hierarchy

55check.com is a parent of www.55check.com.

IP Addresses

55check.com resolves to four IPs: 3.167.99.10, 3.167.99.43, 3.167.99.52 and 3.167.99.57.

Other host names such as d2rxphzb0cqtnc.cloudfront.net, torisyou-niizanakano.com, 12-chef.provider.payzen.com, clickhome.com.au and dxr4lxyezq2wh.cloudfront.net share IP numbers with 55check.com.

Name Servers

55check.com is delegated to four name servers: bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com and bns4.hostcocoa.com.

At least part of the name servers for 55check.com are shared with other domains, for instance aicoretech.co.kr, daelimoil.co.kr, eomugnala.com, daishokorea.com and momplus.kr.

Host names with one IP: bns1.hostcocoa.com points to 205.251.192.254; bns2.hostcocoa.com points to 205.251.194.231; bns3.hostcocoa.com points to 205.251.196.209; bns4.hostcocoa.com points to 205.251.198.107.

Mail Servers

The mail server for 55check.com is 55check-com.mail.protection.outlook.com.

55check-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc35::, 2a01:111:f403:cc35::1, 2a01:111:f403:cc35::2, 2a01:111:f403:cc37::, 52.101.153.0, 52.101.153.1, 52.101.153.2 and 52.101.155.0.

55check.com - robtex.com

55check.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`55check.com`

`com`