coolha.com - dns.ninja

`coolha.com`

DNSSEC	⚠️ Not signed
A	216.198.79.1^{🇺🇸 Amazon216.198.79.0/24 EC2 Prefix}
NS	`ns1.volcdns.com` ⭐
		A	2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e^{🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd.}
		A	115.190.173.10^{🇨🇳 VOLCANO-ENGINE115.190.168.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns1.byteplusdns.com` ⚠️ Not in zone NS records
		A	3.33.223.77^{🇺🇸 Amazon3.33.208.0/20}
			PTR	`ab4fe970e82bcd5e7.awsglobalaccelerator.com`
		A	15.197.209.20^{🇺🇸 Amazon15.197.208.0/20}
			PTR	`ab4fe970e82bcd5e7.awsglobalaccelerator.com`
NS	`ns1.volcengine-dns.com` ⚠️ Not in parent delegation
		A	2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e^{🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd.}
		A	115.190.173.10^{🇨🇳 VOLCANO-ENGINE115.190.168.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns2.byteplusdns.net` ⚠️ Not in zone NS records
		A	3.33.223.77^{🇺🇸 Amazon3.33.208.0/20}
			PTR	`ab4fe970e82bcd5e7.awsglobalaccelerator.com`
		A	15.197.209.20^{🇺🇸 Amazon15.197.208.0/20}
			PTR	`ab4fe970e82bcd5e7.awsglobalaccelerator.com`
NS	`ns2.volcengine-dns.com` ⚠️ Not in parent delegation
		A	2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e^{🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd.}
		A	180.184.1.138^{🇨🇳 VOLCANO-ENGINE180.184.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	180.184.1.151^{🇨🇳 VOLCANO-ENGINE180.184.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`mx1.larksuite.com` ⭐
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.larksuite.com`⁽⁵⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx3.larksuite.com`⁽¹⁰⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.223^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.230.154^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`verification-code-site-App_lark=xN71708pLPHmJUaz6CiV`
TXT	`b4d94e5e-35eb-4010-8e7d-506206f01408=9d5f176197f8579be637d6a88e2ebf6cc43cb1cd...`
TXT	`v=spf1 +include:spf.onlarksuite.com -all`
SOA	`ns1.volcdns.com`dnsadmin@bytedance.com 2024-11-23 #0

`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=1785952019

Same first word

coolha.com

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DNS History

22 records (9 active, 13 former)

○NSdns1.name-services.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 22:43:12
○ 2015-07-02 04:42:48
○ 2026-08-05 18:05:04

○NSdns2.name-services.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 22:43:12
○ 2015-07-02 04:42:48
○ 2026-08-05 18:05:04

○NSdns3.name-services.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 22:43:12
○ 2015-07-02 04:42:48
○ 2026-08-05 18:05:04

○NSdns4.name-services.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 22:43:12
○ 2015-07-02 04:42:48
○ 2026-08-05 18:05:04

○NSdns5.name-services.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 22:43:12
○ 2015-07-02 04:42:48
○ 2026-08-05 18:05:04

○NSf1g1ns1.dnspod.net2017-08-12 → 2017-08-12 · 4 obs

○ 2016-11-29 14:26:44
● 2017-08-12 02:13:12
○ 2026-06-29 21:20:28
○ 2026-08-05 18:05:04

○NSf1g1ns2.dnspod.net2017-08-12 → 2017-08-12 · 4 obs

○ 2016-11-29 14:26:44
● 2017-08-12 02:13:12
○ 2026-06-29 21:20:28
○ 2026-08-05 18:05:04

○NSns07.domaincontrol.com2015-07-02 → 2016-11-29 · 5 obs

○ 2008-03-19 22:43:12
● 2015-07-02 04:42:48
● 2016-11-29 14:26:44
○ 2017-08-12 02:13:12
○ 2026-08-05 18:05:04

○NSns08.domaincontrol.com2015-07-02 → 2016-11-29 · 5 obs

○ 2008-03-19 22:43:12
● 2015-07-02 04:42:48
● 2016-11-29 14:26:44
○ 2017-08-12 02:13:12
○ 2026-08-05 18:05:04

●NSns1.byteplusdns.com2026-06-29 → 2026-08-05 · 3 obs

○ 2017-08-12 02:13:12
● 2026-06-29 21:20:28
● 2026-08-05 18:05:04

●NSns1.volcdns.com2026-06-29 → 2026-08-05 · 3 obs

○ 2017-08-12 02:13:12
● 2026-06-29 21:20:28
● 2026-08-05 18:05:04

●NSns1.volcengine-dns.com2026-06-29 → 2026-08-05 · 3 obs

○ 2017-08-12 02:13:12
● 2026-06-29 21:20:28
● 2026-08-05 18:05:04

●NSns2.byteplusdns.net2026-06-29 → 2026-08-05 · 3 obs

○ 2017-08-12 02:13:12
● 2026-06-29 21:20:28
● 2026-08-05 18:05:04

●NSns2.volcengine-dns.com2026-06-29 → 2026-08-05 · 3 obs

○ 2017-08-12 02:13:12
● 2026-06-29 21:20:28
● 2026-08-05 18:05:04

○MXmailstore1.secureserver.net2015-07-02 → 2016-11-29 · 5 obs

○ 2008-03-19 22:43:12
● 2015-07-02 04:42:48
● 2016-11-29 14:26:44
○ 2026-06-29 21:20:28
○ 2026-08-05 18:05:04

●MXmx1.larksuite.com2026-06-29 → 2026-08-05 · 3 obs

○ 2016-11-29 14:26:44
● 2026-06-29 21:20:28
● 2026-08-05 18:05:04

●MXmx2.larksuite.com2026-06-29 → 2026-08-05 · 3 obs

○ 2016-11-29 14:26:44
● 2026-06-29 21:20:28
● 2026-08-05 18:05:04

●MXmx3.larksuite.com2026-06-29 → 2026-08-05 · 3 obs

○ 2016-11-29 14:26:44
● 2026-06-29 21:20:28
● 2026-08-05 18:05:04

○MXsmtp.secureserver.net2015-07-02 → 2016-11-29 · 5 obs

○ 2008-03-19 22:43:12
● 2015-07-02 04:42:48
● 2016-11-29 14:26:44
○ 2026-06-29 21:20:28
○ 2026-08-05 18:05:04

●A216.198.79.12026-06-29 → 2026-08-05 · 3 obs

○ 2017-08-12 02:13:12
● 2026-06-29 21:20:28
● 2026-08-05 18:05:04

○A50.63.202.782015-07-02 → 2016-11-29 · 5 obs

○ 2008-03-19 22:43:12
● 2015-07-02 04:42:48
● 2016-11-29 14:26:44
○ 2017-08-12 02:13:12
○ 2026-08-05 18:05:04

○A59.124.227.1812008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 22:43:12
○ 2015-07-02 04:42:48
○ 2026-08-05 18:05:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coolha.com	ns2.byteplusdns.net, ns1.byteplusdns.com	2 records

✅ Authoritative Response

Server:15.197.209.20

NS records: ns2.byteplusdns.net, ns1.byteplusdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolha.com (unsigned zone)

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.198.79.1`
NS	2	`ns2.volcengine-dns.com, ns1.volcengine-dns.com`
MX	3	`mx3.larksuite.com (pri: 10), mx1.larksuite.com (pri: 1)...`
TXT	3	`v=spf1 +include:spf.onlarksuite.com -all, verification-code-site-App_lark=xN71708p...`
SOA	1	`ns1.volcdns.com dnsadmin.bytedance.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.byteplusdns.com, ns1.byteplusdns.com)

Analysis

IP Addresses

coolha.com resolves to just one IP address, 216.198.79.1.

Two other host names, along with ibneabdullah.com, diginaz.com and alomariassociates.com, also share IP numbers with coolha.com.

Name Servers

coolha.com delegates to five name servers: ns1.byteplusdns.com, ns1.volcdns.com, ns1.volcengine-dns.com and two others.

coolha.com shares at least some of its name servers with other domains, including flyupoffice.store, ruiaiad.com, kuaidianyuedu.com and two others.

These name servers are frequently seen alongside ns2.volcengine-dns.com, ns2.byteplusdns.net, ns2.byteplusdns.com and 6 other name servers.

Hostnames that map to three IP numbers:

The hostname ns2.volcengine-dns.com directs to 180.184.1.138, 180.184.1.151 and 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.

Host names that have two IP addresses:

ns1.byteplusdns.com directs traffic to 3.33.223.77 and 15.197.209.20.

ns1.volcdns.com directs traffic to 115.190.173.10 and 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.

ns1.volcengine-dns.com directs traffic to 115.190.173.10 and 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.

ns2.byteplusdns.net directs traffic to 3.33.223.77 and 15.197.209.20.

Each of ns2.volcengine-dns.com, ns1.volcdns.com and ns1.volcengine-dns.com resolves to 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.

Both ns1.byteplusdns.com and ns2.byteplusdns.net resolve to 3.33.223.77 IP addresses each.

Both ns1.byteplusdns.com and ns2.byteplusdns.net resolve to 15.197.209.20 IP addresses each.

Both ns1.volcdns.com and ns1.volcengine-dns.com resolve to 115.190.173.10 IP addresses each.

Mail Servers

coolha.com is handled by three mail servers: mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

There is at least a partial MX overlap between coolha.com and other domains, including govi.vn, usbc.net, mantra.vn and two others.

Hostnames that map to three IP numbers:

The hostname mx3.larksuite.com directs to 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Host names that point to one IP address:

mx1.larksuite.com has the IP address 18.139.153.173.

mx2.larksuite.com has the IP address 18.139.153.173.

Each of mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com resolves to 18.139.153.173.