🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`arc.cool`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:2d9e^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:d869^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.158^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.105^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carter.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b50^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c150^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2150^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carter.ns.cloudflare.com`
		A	108.162.193.80^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	172.64.33.80^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	173.245.59.80^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
NS	`zara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a94^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c094^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2094^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zara.ns.cloudflare.com`
		A	108.162.192.148^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	172.64.32.148^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	173.245.58.148^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
MX	`us-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`us-smtp-inbound-2.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
TXT	`0ed1fe018ad5319a8369da4f298a22ce53d356c476`
TXT	`788B7D26C3`
TXT	`MS=ms48013901`
TXT	`autodesk-domain-verification=JRMV7vYXfNVsWfXm(0x62334567)`
TXT	`knowbe4-site-verification=7ebed47cb223feed74c458fd308ca2c4`
TXT	`pardot1094693=7d7fc5d855d5777ed50167b2448d114e4b9b1fd9170d215c4fb5dc970a920025`
TXT	`qpilgvfm010kcerl7jphhariev`
TXT	`sending_domain1094693=bef508d879e9d465b89183d83ae550e5516c7c145b722c0081c2fa0...`
TXT	`v=spf1 include:_u.arc.cool._spf.smart.ondmarc.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.45.158, 172.67.216.105
		IPv6 hints	2606:4700:3030::6815:2d9e, 2606:4700:3030::ac43:d869
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com
SOA	`carter.ns.cloudflare.com`dns@cloudflare.com serial=2415748811

`cool`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.cool` ⭐
	NS	`v0n1.nic.cool`
	NS	`v0n2.nic.cool`
	NS	`v0n3.nic.cool`
	NS	`v2n0.nic.cool`
	NS	`v2n1.nic.cool`
	SOA	`v0n0.nic.cool`hostmaster@donuts.email serial=1792435460

⚠️ On DNS blocklist: spam-tlds

Same first word

arc.com.ru

arc.istmein.de

arc.ht

arc.org.ph

arc.lol

arc.nyc

arc.nl

arc.nexus

arc.se

arc.mx

arc.mayfirst.org

arc.tec.br

arc.com.tr

arc.tienda

arc.id.au

arc.taxi

arc.pet

arc.asso.fr

arc.li

arc.lima-city.de

arc.coach

arc.green

arc.as

arc.sci.eg

arc.idv.tw

arc.net

arc.management

arc.vg

arc.eus

arc.pt

arc.international

arc.aero

arc.gen.in

arc.meme

arc.com.sg

arc.beauty

arc.town

arc.to

arc.ph

arc.hr

arc.video

arc.br.com

arc.com.ng

arc.hospital

arc.co.il

arc.id

arc.academy

arc.games

arc.ee

arc.wang

arc.archi

arc.kz

arc.tj

arc.run

arc.my.id

arc.voyage

arc.pics

arc.no

arc.uk

arc.org.mt

arc.ninja

arc.photo

arc.co.jp

arc.info

arc.gent

arc.za.com

arc.gold

arc.tennis

arc.skin

arc.bike

arc.ngo

arc.sk

arc.cafe

arc.co.ma

arc.sytes.net

arc.im

arc.gs

arc.com.tw

arc.lc

arc.wales

arc.moe

arc.edu.kg

arc.gi

arc.org.uk

arc.co.ao

arc.gov.in

arc.gmbh

arc.dance

arc.nagoya

arc.supplies

arc.sc

arc.gives

arc.cy

arc.travel

arc.pl

arc.tl

arc.agency

arc.capital

arc.ae

arc.email

Similar names

acr.fit

acr.com.pt

acr.pages.dev

rca.in.net

car.id

car.kr.ua

car.salon

car.us

acr.nl

acr.pe

rca.co.nl

car.idv.tw

car.claims

acr.net.br

car.kz

car.email

rac.ind.br

car.ph

car.ovh

car.furniture

rac.qa

acr.eu.com

cra.com.gr

rca.nl

acr.chat

cra.bzh

rca.com

rca.net

acr.sk

cra.ru

car.accountants

cra.tech

car.biz.pk

car.moe

cra.com.tr

rac.no

car.fit

rac.co.je

rca.pages.dev

car.reviews

cra.la

car.care

cra.report

cra.workers.dev

rac.life

acr.services

acr.earth

rac.la

cra.jp

acr.org.ph

cra.pl

cra.guru

acr.arq.br

rac.com

car.university

car.bg

rca.lima-city.de

acr.us

cra.pages.dev

acr.vercel.app

acr.ba

acr.pt

rac.net.cn

cra.insure

rac.co.uk

car.be

rac.net.pk

Previous names

appointments.cool

appraisal.cool

appraisals.cool

apprealfirst.cool

apprendre.cool

apricot.cool

apropos.cool

aprs.cool

apt.cool

apv.cool

aq101.cool

aq777.cool

aqua.cool

aquaac.cool

aquarium.cool

aquatimer.cool

ar.cool

ara.cool

aranda.cool

arbansbook.cool

Next names

DNS History

15 records (8 active, 7 former)

●NScarter.ns.cloudflare.com2026-08-26 → 2026-10-19 · 3 obs

○ 2016-12-10 20:22:24
● 2026-08-26 19:06:40
● 2026-10-19 18:51:54

○NSns35.worldnic.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:22:24
○ 2026-08-26 19:06:40
○ 2026-10-19 18:51:54

○NSns36.worldnic.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:22:24
○ 2026-08-26 19:06:40
○ 2026-10-19 18:51:54

●NSzara.ns.cloudflare.com2026-08-26 → 2026-10-19 · 3 obs

○ 2016-12-10 20:22:24
● 2026-08-26 19:06:40
● 2026-10-19 18:51:54

●MXus-smtp-inbound-1.mimecast.com2016-12-10 → 2026-10-19 · 2 obs

● 2016-12-10 20:22:24
● 2026-10-19 18:51:54

●MXus-smtp-inbound-2.mimecast.com2016-12-10 → 2026-10-19 · 2 obs

● 2016-12-10 20:22:24
● 2026-10-19 18:51:54

●A104.21.45.1582026-08-27 → 2026-10-19 · 13 obs

○ 2026-08-26 19:06:40
● 2026-08-27 04:16:42
○ 2026-09-05 07:00:34
● 2026-09-07 23:00:36
○ 2026-09-10 01:46:58
● 2026-09-11 17:28:06
○ 2026-09-12 09:43:02
● 2026-09-13 02:03:16
○ 2026-09-13 04:00:52
● 2026-09-20 04:17:54
○ 2026-10-11 13:44:20
● 2026-10-18 17:27:58
● 2026-10-19 18:51:54

●A172.67.216.1052026-08-27 → 2026-10-19 · 13 obs

○A188.114.96.02026-08-26 → 2026-10-11 · 14 obs

○ 2016-12-10 20:22:24
● 2026-08-26 19:06:40
○ 2026-08-27 04:16:42
● 2026-09-05 07:00:34
○ 2026-09-07 23:00:36
● 2026-09-10 01:46:58
○ 2026-09-11 17:28:06
● 2026-09-12 09:43:02
○ 2026-09-13 02:03:16
● 2026-09-13 04:00:52
○ 2026-09-20 04:17:54
● 2026-10-11 13:44:20
○ 2026-10-18 17:27:58
○ 2026-10-19 18:51:54

○A188.114.97.02026-08-26 → 2026-10-11 · 14 obs

○A205.178.189.1312016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:22:24
○ 2026-08-26 19:06:40
○ 2026-10-19 18:51:54

●A2606:4700:3030::6815:2d9e2026-08-27 → 2026-10-19 · 13 obs

●A2606:4700:3030::ac43:d8692026-08-27 → 2026-10-19 · 13 obs

○A2a06:98c1:3120::2026-08-26 → 2026-10-11 · 14 obs

○A2a06:98c1:3121::2026-08-26 → 2026-10-11 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cool	v0n0.nic.cool, v0n1.nic.cool, v0n2.nic.cool, v0n3.nic.cool...	12 records
arc.cool	carter.ns.cloudflare.com, zara.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.148

NS records: carter.ns.cloudflare.com, zara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for arc.cool (unsigned zone)

⏱️ Timing

Total: 978ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.45.158, 172.67.216.105`
AAAA	2	`2606:4700:3030::6815:2d9e, 2606:4700:3030::ac43:d869`
NS	2	`carter.ns.cloudflare.com, zara.ns.cloudflare.com`
MX	2	`us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	9	`0ed1fe018ad5319a8369da4f298a22ce53d356c4, 788B7D26C3...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carter.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.cool, v0n0.nic.cool, v0n1.nic.cool...)

Analysis

IP Addresses

arc.cool has four IP addresses: 104.21.45.158, 172.67.216.105, 2606:4700:3030::6815:2d9e and 2606:4700:3030::ac43:d869.

Additional host names — parmapizza-6700.dk, storynexuo.com, getlimodrop.com and two others — share IP numbers with arc.cool.

Name Servers

arc.cool is served by two delegated name servers, carter.ns.cloudflare.com and zara.ns.cloudflare.com.

arc.cool shares its name server setup with other domains, including betonredie.com, v1d3y851.pages.dev, nivstor.digital and two others.

arc.cool has at least partial name server overlap with other domains, such as chattwo.app, benthanhtravel.com, shrtlnk.cn and two others.

It is common to find these name servers paired with the name servers sergi.ns.cloudflare.com.

Host names with 6 IP numbers:

carter.ns.cloudflare.com carries IP addresses 108.162.193.80, 172.64.33.80 and 173.245.59.80, with 3 other addresses beyond those.

zara.ns.cloudflare.com carries IP addresses 108.162.192.148, 172.64.32.148 and 173.245.58.148, with 3 other addresses beyond those.

Mail Servers

arc.cool has two mail servers: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

arc.cool shares the same mail server setup as other domains, including rsqfireprotection.com, aptivo.es, cvidenver.com and two others.

arc.cool shares mail servers — at least in part — with other domains, including kescomp.com, illinoismutual.com, resinformulators.com and two others.

Host names with 6 IP numbers:

us-smtp-inbound-1.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.

us-smtp-inbound-2.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.141 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.221 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.242 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.141 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.221 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.242 IP addresses.

arc.cool - robtex.com

arc.cool

cool

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`arc.cool`

`cool`