`retrocs.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:cc12^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:4282^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.130^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.18^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`conrad.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c92^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`conrad.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c392^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`conrad.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2392^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`conrad.ns.cloudflare.com`
		A	108.162.195.146^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`conrad.ns.cloudflare.com`
		A	162.159.44.146^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`conrad.ns.cloudflare.com`
		A	172.64.35.146^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`conrad.ns.cloudflare.com`
NS	`sima.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ade^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sima.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sima.ns.cloudflare.com`
		A	108.162.192.222^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	172.64.32.222^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	173.245.58.222^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`_globalsign-domain-verification=EGLH9rEHw-I9Zuyhz2BApWuy9vJsDRWMhtBAUznN4y`
TXT	`google-site-verification=1E8kTe_HHfRYJcrTYcAb-xumoGIsQYqwKl5LMPf7EvM`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.66.130, 172.67.204.18
		IPv6	2606:4700:3034::ac43:cc12, 2606:4700:3036::6815:4282
SOA	`conrad.ns.cloudflare.com`dns@cloudflare.com serial=2396249872

`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

Same first word

retrocs.com

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rcstore.no

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crestor.de

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croster.net

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crestor.ru

escortr.net

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croster.co.jp

DNS History

16 records (8 active, 8 former)

●NSconrad.ns.cloudflare.com2026-03-02 → 2026-03-24 · 3 obs

○ 2020-01-03 17:16:56
● 2026-03-02 06:25:32
● 2026-03-24 11:04:18

○NSjm1.dns.com2020-01-03 → 2020-01-03 · 4 obs

○ 2016-12-24 02:21:40
● 2020-01-03 17:16:56
○ 2026-03-02 06:25:32
○ 2026-03-24 11:04:18

○NSjm2.dns.com2020-01-03 → 2020-01-03 · 4 obs

○ 2016-12-24 02:21:40
● 2020-01-03 17:16:56
○ 2026-03-02 06:25:32
○ 2026-03-24 11:04:18

○NSns12.wixdns.net2015-06-11 → 2016-12-24 · 4 obs

● 2015-06-11 01:56:00
● 2016-12-24 02:21:40
○ 2020-01-03 17:16:56
○ 2026-03-24 11:04:18

○NSns13.wixdns.net2015-06-11 → 2016-12-24 · 4 obs

● 2015-06-11 01:56:00
● 2016-12-24 02:21:40
○ 2020-01-03 17:16:56
○ 2026-03-24 11:04:18

●NSsima.ns.cloudflare.com2026-03-02 → 2026-03-24 · 3 obs

○ 2020-01-03 17:16:56
● 2026-03-02 06:25:32
● 2026-03-24 11:04:18

●MXin1-smtp.messagingengine.com2026-03-02 → 2026-03-24 · 3 obs

○ 2020-01-03 17:16:56
● 2026-03-02 06:25:32
● 2026-03-24 11:04:18

●MXin2-smtp.messagingengine.com2026-03-02 → 2026-03-24 · 3 obs

○ 2020-01-03 17:16:56
● 2026-03-02 06:25:32
● 2026-03-24 11:04:18

○MXmx1.biz.mail.yahoo.com2015-06-11 → 2016-12-24 · 4 obs

● 2015-06-11 01:56:00
● 2016-12-24 02:21:40
○ 2020-01-03 17:16:56
○ 2026-03-24 11:04:18

○MXmx5.biz.mail.yahoo.com2015-06-11 → 2016-12-24 · 4 obs

● 2015-06-11 01:56:00
● 2016-12-24 02:21:40
○ 2020-01-03 17:16:56
○ 2026-03-24 11:04:18

●A104.21.66.1302026-03-02 → 2026-03-24 · 3 obs

○ 2020-01-03 17:16:56
● 2026-03-02 06:25:32
● 2026-03-24 11:04:18

○A172.121.134.1132020-01-03 → 2020-01-03 · 4 obs

○ 2016-12-24 02:21:40
● 2020-01-03 17:16:56
○ 2026-03-02 06:25:32
○ 2026-03-24 11:04:18

●A172.67.204.182026-03-02 → 2026-03-24 · 3 obs

○ 2020-01-03 17:16:56
● 2026-03-02 06:25:32
● 2026-03-24 11:04:18

○A23.236.62.1472015-06-11 → 2016-12-24 · 4 obs

● 2015-06-11 01:56:00
● 2016-12-24 02:21:40
○ 2020-01-03 17:16:56
○ 2026-03-24 11:04:18

●A2606:4700:3034::ac43:cc122026-03-02 → 2026-03-24 · 3 obs

○ 2020-01-03 17:16:56
● 2026-03-02 06:25:32
● 2026-03-24 11:04:18

●A2606:4700:3036::6815:42822026-03-02 → 2026-03-24 · 3 obs

○ 2020-01-03 17:16:56
● 2026-03-02 06:25:32
● 2026-03-24 11:04:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...	-
retrocs.com	sima.ns.cloudflare.com, conrad.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.222

NS records: sima.ns.cloudflare.com, conrad.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for retrocs.com (unsigned zone)

⏱️ Timing

Total: 253ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.66.130, 172.67.204.18`
AAAA	2	`2606:4700:3036::6815:4282, 2606:4700:3034::ac43:cc12`
NS	2	`conrad.ns.cloudflare.com, sima.ns.cloudflare.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	3	`_globalsign-domain-verification=EGLH9rEH, google-site-verification=1E8kTe_HHfRYJcr...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`conrad.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

retrocs.com points to four IP numbers: 2606:4700:3034::ac43:cc12, 2606:4700:3036::6815:4282, 104.21.66.130 and 172.67.204.18.

For instance, other host names jries.us, phyiscs.com, strnt.com, qualitypestdirect.com and ohiphone.mobi share IP numbers with retrocs.com.

Name Servers

retrocs.com is delegated to two name servers: conrad.ns.cloudflare.com and sima.ns.cloudflare.com.

retrocs.com uses the same name server setup as other domains such as pattianklam.com, dlhazard.com, nukeitalia.com, thefan.net and prodiathecro.com.

retrocs.com shares name servers with other domains at least partially, for example fly99.online, carrie-movie.net, deregio.be, bendigotelco.com.au and capital-ai.pro.

These name servers are commonly used with becky.ns.cloudflare.com.

Host names with six IP numbers: host name conrad.ns.cloudflare.com points to: 2606:4700:58::a29f:2c92, 2803:f800:50::6ca2:c392, 2a06:98c1:50::ac40:2392, 108.162.195.146, 162.159.44.146 and 172.64.35.146; host name sima.ns.cloudflare.com points to: 2606:4700:50::adf5:3ade, 2803:f800:50::6ca2:c0de, 2a06:98c1:50::ac40:20de, 108.162.192.222, 172.64.32.222 and 173.245.58.222.

Mail Servers

Two mail servers in1-smtp.messagingengine.com and in2-smtp.messagingengine.com handle retrocs.com.

retrocs.com shares the same mail server setup as other domains, for instance erikharmon.net, bradleycummings.net, imintel.org, web-serve.net and smartcfd.com.

retrocs.com shares at least partially some mail servers with other domains, for instance sipvicious.org.

Eight IP numbers for host name in1-smtp.messagingengine.com points to: 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Four IP numbers for host name in2-smtp.messagingengine.com points to: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

retrocs.com - robtex.com

retrocs.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`retrocs.com`

`com`