coolproblems.com - dns.ninja

`coolproblems.com`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`blair.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2679^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blair.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c279^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`blair.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2279^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`blair.ns.cloudflare.com`
		A	108.162.194.121^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blair.ns.cloudflare.com`
		A	162.159.38.121^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blair.ns.cloudflare.com`
		A	172.64.34.121^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blair.ns.cloudflare.com`
NS	`rohin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rohin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c399^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rohin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2399^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rohin.ns.cloudflare.com`
		A	108.162.195.153^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rohin.ns.cloudflare.com`
		A	162.159.44.153^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rohin.ns.cloudflare.com`
		A	172.64.35.153^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rohin.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`google-site-verification=UCIGJLpSdIMC3bhDKHO1f601DZxWv-ldVSeaTTiLXX0`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
SOA	`blair.ns.cloudflare.com`dns@cloudflare.com serial=2410144151

`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=1785260957

Same first word

coolproblems.com

DNS History

15 records (8 active, 7 former)

●NSblair.ns.cloudflare.com2026-06-02 → 2026-07-28 · 3 obs

○ 2026-05-10 07:17:50
● 2026-06-02 05:47:40
● 2026-07-28 17:58:52

○NSdns1.registrar-servers.com2026-04-05 → 2026-05-10 · 5 obs

○ 2020-04-13 09:00:20
● 2026-04-05 21:53:14
● 2026-05-10 07:17:50
○ 2026-06-02 05:47:40
○ 2026-07-28 17:58:52

○NSdns2.registrar-servers.com2026-04-05 → 2026-05-10 · 5 obs

○ 2020-04-13 09:00:20
● 2026-04-05 21:53:14
● 2026-05-10 07:17:50
○ 2026-06-02 05:47:40
○ 2026-07-28 17:58:52

○NSns05.domaincontrol.com2020-04-13 → 2020-04-13 · 3 obs

● 2020-04-13 09:00:20
○ 2026-04-05 21:53:14
○ 2026-07-28 17:58:52

○NSns06.domaincontrol.com2020-04-13 → 2020-04-13 · 3 obs

● 2020-04-13 09:00:20
○ 2026-04-05 21:53:14
○ 2026-07-28 17:58:52

●NSrohin.ns.cloudflare.com2026-06-02 → 2026-07-28 · 3 obs

○ 2026-05-10 07:17:50
● 2026-06-02 05:47:40
● 2026-07-28 17:58:52

○MXcoolproblems-com.mail.protection.outlook.com2020-04-13 → 2020-04-13 · 3 obs

● 2020-04-13 09:00:20
○ 2026-04-05 21:53:14
○ 2026-07-28 17:58:52

●MXeforward1.registrar-servers.com2026-04-05 → 2026-07-28 · 3 obs

○ 2020-04-13 09:00:20
● 2026-04-05 21:53:14
● 2026-07-28 17:58:52

●MXeforward2.registrar-servers.com2026-04-05 → 2026-07-28 · 3 obs

○ 2020-04-13 09:00:20
● 2026-04-05 21:53:14
● 2026-07-28 17:58:52

●MXeforward3.registrar-servers.com2026-04-05 → 2026-07-28 · 3 obs

○ 2020-04-13 09:00:20
● 2026-04-05 21:53:14
● 2026-07-28 17:58:52

●MXeforward4.registrar-servers.com2026-04-05 → 2026-07-28 · 3 obs

○ 2020-04-13 09:00:20
● 2026-04-05 21:53:14
● 2026-07-28 17:58:52

●MXeforward5.registrar-servers.com2026-04-05 → 2026-07-28 · 3 obs

○ 2020-04-13 09:00:20
● 2026-04-05 21:53:14
● 2026-07-28 17:58:52

○A107.180.51.2392020-04-13 → 2020-04-13 · 3 obs

● 2020-04-13 09:00:20
○ 2026-04-05 21:53:14
○ 2026-07-28 17:58:52

○A162.255.119.2152026-04-05 → 2026-05-10 · 5 obs

○ 2020-04-13 09:00:20
● 2026-04-05 21:53:14
● 2026-05-10 07:17:50
○ 2026-06-02 05:47:40
○ 2026-07-28 17:58:52

●A76.76.21.212026-06-02 → 2026-07-28 · 3 obs

○ 2026-05-10 07:17:50
● 2026-06-02 05:47:40
● 2026-07-28 17:58:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coolproblems.com	blair.ns.cloudflare.com, rohin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.153

NS records: blair.ns.cloudflare.com, rohin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolproblems.com (unsigned zone)

⏱️ Timing

Total: 179ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`blair.ns.cloudflare.com, rohin.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	2	`google-site-verification=UCIGJLpSdIMC3bh, v=spf1 include:spf.efwd.registrar-server`
SOA	1	`blair.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

coolproblems.com resolves to one IP address: 76.76.21.21.

xml.wp-includes.2020.ns.itesys.ch, salonjobs.com, mrchensorganicdc.com and two other host names share IP numbers with coolproblems.com.

Name Servers

coolproblems.com is served by two delegated name servers, blair.ns.cloudflare.com and rohin.ns.cloudflare.com.

coolproblems.com uses the same name servers as several other domains — among them toysats.com, sovstroymat.ru, crownprivatecredit.ca and two more.

The name servers of coolproblems.com overlap at least partially with those of other domains — among them polyawning.com, nairafundacion.org, ljzzxx.com and two more.

These name servers commonly appear alongside the name servers kira.ns.cloudflare.com and edward.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

blair.ns.cloudflare.com carries IP addresses 108.162.194.121, 162.159.38.121 and 172.64.34.121, with 3 other addresses beyond those.

rohin.ns.cloudflare.com carries IP addresses 108.162.195.153, 162.159.44.153 and 172.64.35.153, with 3 other addresses beyond those.

Mail Servers

Five mail servers handle coolproblems.com: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

coolproblems.com has at least partial mail server overlap with other domains such as protocolboardshop.org, mol-talakhiss.com, passivemoneysites.com and two more.

The mail servers eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com are commonly seen alongside these mail servers.

Hosts with just one IP address:

eforward1.registrar-servers.com points to the IP address 162.255.118.51.

eforward2.registrar-servers.com points to the IP address 162.255.118.52.

eforward3.registrar-servers.com points to the IP address 162.255.118.51.

eforward4.registrar-servers.com points to the IP address 162.255.118.52.

eforward5.registrar-servers.com points to the IP address 162.255.118.51.

The host names eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com each resolve to 162.255.118.51.

These two host names — eforward2.registrar-servers.com and eforward4.registrar-servers.com — each point to 162.255.118.52 IP addresses.