`markrs.co`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3032::ac43:d9e9^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:3e14^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.62.20^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.233^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dawn.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dawn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dawn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dawn.ns.cloudflare.com`
		A	108.162.192.106^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dawn.ns.cloudflare.com`
		A	172.64.32.106^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dawn.ns.cloudflare.com`
		A	173.245.58.106^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dawn.ns.cloudflare.com`
NS	`igor.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c177^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`igor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2177^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`igor.ns.cloudflare.com`
		A	108.162.193.119^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	172.64.33.119^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	173.245.59.119^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=Ystdhxp1QprIRhbt`
TXT	`google-site-verification=XB6FMM0_ZPy6CUjHRm-7i-4KbQ5iVgHBSFcJV9r5gMU`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.62.20, 172.67.217.233
		IPv6	2606:4700:3032::ac43:d9e9, 2606:4700:3033::6815:3e14
SOA	`dawn.ns.cloudflare.com`dns@cloudflare.com serial=2398782461

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co` 🔒
	NS	`b.registrydns.co` 🔒
	NS	`c.registrydns.co` 🔒
	NS	`d.registrydns.co` 🔒
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759588016

Same first word

markrs.co

Similar names

rsakmr.net

rmarks.de

rmarks.com.cn

krasrm.ru

krasrm.com

srkamr.com

DNS History

18 records (8 active, 10 former)

●NSdawn.ns.cloudflare.com2017-03-16 → 2026-03-12 · 2 obs

● 2017-03-16 16:02:14
● 2026-03-12 06:55:14

●NSigor.ns.cloudflare.com2017-03-16 → 2026-03-12 · 2 obs

● 2017-03-16 16:02:14
● 2026-03-12 06:55:14

○MXdc-30942d6f8df3.markrs.co2017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 16:02:14
○ 2026-03-12 06:55:12
○ 2026-03-12 06:55:14

●MXmx01.mail.icloud.com2026-03-12 → 2026-03-12 · 3 obs

○ 2017-03-16 16:02:14
● 2026-03-12 06:55:12
● 2026-03-12 06:55:14

●MXmx02.mail.icloud.com2026-03-12 → 2026-03-12 · 3 obs

○ 2017-03-16 16:02:14
● 2026-03-12 06:55:12
● 2026-03-12 06:55:14

○MXsg.traveldatadaily.com2026-03-12 → 2026-03-12 · 2 obs

○ 2026-03-12 06:55:12
○ 2026-03-12 06:55:14

●A104.21.62.202026-03-12 → 2026-03-12 · 3 obs

○ 2017-03-16 16:02:14
● 2026-03-12 06:55:12
● 2026-03-12 06:55:14

○A104.27.128.252017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 16:02:14
○ 2026-03-12 06:55:12
○ 2026-03-12 06:55:14

○A104.27.129.252017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 16:02:14
○ 2026-03-12 06:55:12
○ 2026-03-12 06:55:14

●A172.67.217.2332026-03-12 → 2026-03-12 · 3 obs

○ 2017-03-16 16:02:14
● 2026-03-12 06:55:12
● 2026-03-12 06:55:14

○A188.114.96.02026-03-12 → 2026-03-12 · 2 obs

○ 2026-03-12 06:55:12
○ 2026-03-12 06:55:14

○A188.114.97.02026-03-12 → 2026-03-12 · 2 obs

○ 2026-03-12 06:55:12
○ 2026-03-12 06:55:14

○A2400:cb00:2048:1::681b:80192017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 16:02:14
○ 2026-03-12 06:55:12
○ 2026-03-12 06:55:14

○A2400:cb00:2048:1::681b:81192017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 16:02:14
○ 2026-03-12 06:55:12
○ 2026-03-12 06:55:14

●A2606:4700:3032::ac43:d9e92026-03-12 → 2026-03-12 · 3 obs

○ 2017-03-16 16:02:14
● 2026-03-12 06:55:12
● 2026-03-12 06:55:14

●A2606:4700:3033::6815:3e142026-03-12 → 2026-03-12 · 3 obs

○ 2017-03-16 16:02:14
● 2026-03-12 06:55:12
● 2026-03-12 06:55:14

○A2a06:98c1:3120::2026-03-12 → 2026-03-12 · 2 obs

○ 2026-03-12 06:55:12
○ 2026-03-12 06:55:14

○A2a06:98c1:3121::2026-03-12 → 2026-03-12 · 2 obs

○ 2026-03-12 06:55:12
○ 2026-03-12 06:55:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
markrs.co	dawn.ns.cloudflare.com, igor.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.32.106

NS records: dawn.ns.cloudflare.com, igor.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 308ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.62.20, 172.67.217.233`
AAAA	2	`2606:4700:3033::6815:3e14, 2606:4700:3032::ac43:d9e9`
NS	2	`dawn.ns.cloudflare.com, igor.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	3	`apple-domain=Ystdhxp1QprIRhbt, google-site-verification=XB6FMM0_ZPy6CUj...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dawn.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

markrs.co points to four IP numbers: 2606:4700:3032::ac43:d9e9, 2606:4700:3033::6815:3e14, 104.21.62.20 and 172.67.217.233.

Other host names, for instance scommesseitaliaexpert.com, 3jalur777amp.com, webmail.gati.me, onevolleyball.net and 180look.com share IP numbers with markrs.co.

Name Servers

Delegation for markrs.co rests with two name servers, dawn.ns.cloudflare.com and igor.ns.cloudflare.com.

markrs.co shares the same name server setup as other domains, including livescore222.com, containerz.online, sophina.me, altumosoftware.com and 4united.com.

markrs.co at least partially shares name servers with other domains, for instance nzwarriors.com, ovnudogmtcypg.online, trst-trecker931847.com, linuxadmin.pro and faziyd.com.

these name servers are commonly used with will.ns.cloudflare.com, theo.ns.cloudflare.com and eva.ns.cloudflare.com.

Host names with six IP numbers: dawn.ns.cloudflare.com points to: 2606:4700:50::adf5:3a6a, 2803:f800:50::6ca2:c06a, 2a06:98c1:50::ac40:206a, 108.162.192.106, 172.64.32.106 and 173.245.58.106. igor.ns.cloudflare.com points to: 2606:4700:58::adf5:3b77, 2803:f800:50::6ca2:c177, 2a06:98c1:50::ac40:2177, 108.162.193.119, 172.64.33.119 and 173.245.59.119.

Mail Servers

markrs.co is handled by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

markrs.co uses the same mail server configuration as other domains, such as paedricosullivan.com, randymatheson.com, 500albums.com, unitfive.net and hudon.org.

markrs.co shares mail servers with other domains, at least partially, for instance pirnie.org and 2jz.link.

Six IP numbers per host.

mx01.mail.icloud.com points to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30.

mx02.mail.icloud.com points to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30.

Names pointing to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names pointing to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names pointing to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names pointing to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names pointing to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names pointing to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com.

markrs.co - robtex.com

markrs.co

co

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`markrs.co`

`co`