mcas.us - robtex.com

mcas.us

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:40c🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:dff0🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.12Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.240🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSsalvador.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c64🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsalvador.ns.cloudflare.com
A2803:f800:50::6ca2:c364🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsalvador.ns.cloudflare.com
A2a06:98c1:50::ac40:2364🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsalvador.ns.cloudflare.com
A108.162.195.100🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsalvador.ns.cloudflare.com
A162.159.44.100Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsalvador.ns.cloudflare.com
A172.64.35.100🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsalvador.ns.cloudflare.com
NSsandra.ns.cloudflare.com
A2606:4700:50::a29f:2622🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A2803:f800:50::6ca2:c222🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsandra.ns.cloudflare.com
A2a06:98c1:50::ac40:2222🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsandra.ns.cloudflare.com
A108.162.194.34🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A162.159.38.34Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A172.64.34.34🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
HTTPSHTTP/2 ✓ hints match
IPv4104.21.4.12, 172.67.223.240
IPv62606:4700:3030::6815:40c, 2606:4700:3035::ac43:dff0
SOAsalvador.ns.cloudflare.comdns@cloudflare.com serial=2399914848

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1774863520

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DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSsalvador.ns.cloudflare.comsandra.ns.cloudflare.comns1.server293.comns2.server293.comMXmail.mcas.usA104.21.4.12172.67.223.2402606:4700:3030::6815:40c2606:4700:3035::ac43:dff0192.252.146.1464.14.68.15364.14.68.180
○NSns1.server293.com2015-06-05 → 2017-01-07 · 4 obs
● 2015-06-05 21:44:34
● 2017-01-07 07:36:48
○ 2026-03-27 09:58:14
○ 2026-03-30 10:19:50
○NSns2.server293.com2015-06-05 → 2017-01-07 · 4 obs
● 2015-06-05 21:44:34
● 2017-01-07 07:36:48
○ 2026-03-27 09:58:14
○ 2026-03-30 10:19:50
●NSsalvador.ns.cloudflare.com2026-03-27 → 2026-03-30 · 3 obs
○ 2017-01-07 07:36:48
● 2026-03-27 09:58:14
● 2026-03-30 10:19:50
●NSsandra.ns.cloudflare.com2026-03-27 → 2026-03-30 · 3 obs
○ 2017-01-07 07:36:48
● 2026-03-27 09:58:14
● 2026-03-30 10:19:50
○MXmail.mcas.us2015-06-05 → 2017-01-07 · 4 obs
● 2015-06-05 21:44:34
● 2017-01-07 07:36:48
○ 2026-03-27 09:58:14
○ 2026-03-30 10:19:50
●A104.21.4.122026-03-27 → 2026-03-30 · 3 obs
○ 2017-01-07 07:36:48
● 2026-03-27 09:58:14
● 2026-03-30 10:19:50
●A172.67.223.2402026-03-27 → 2026-03-30 · 3 obs
○ 2017-01-07 07:36:48
● 2026-03-27 09:58:14
● 2026-03-30 10:19:50
○A192.252.146.142017-01-07 → 2017-01-07 · 4 obs
○ 2016-05-05 19:48:22
● 2017-01-07 07:36:48
○ 2026-03-27 09:58:14
○ 2026-03-30 10:19:50
●A2606:4700:3030::6815:40c2026-03-27 → 2026-03-30 · 3 obs
○ 2017-01-07 07:36:48
● 2026-03-27 09:58:14
● 2026-03-30 10:19:50
●A2606:4700:3035::ac43:dff02026-03-27 → 2026-03-30 · 3 obs
○ 2017-01-07 07:36:48
● 2026-03-27 09:58:14
● 2026-03-30 10:19:50
○A64.14.68.1532015-06-05 → 2015-06-05 · 3 obs
● 2015-06-05 21:44:34
○ 2015-11-17 05:32:02
○ 2026-03-30 10:19:50
○A64.14.68.1802015-11-17 → 2016-05-05 · 5 obs
○ 2015-06-05 21:44:34
● 2015-11-17 05:32:02
● 2016-05-05 19:48:22
○ 2017-01-07 07:36:48
○ 2026-03-30 10:19:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
mcas.ussalvador.ns.cloudflare.com, sandra.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.34

NS records: salvador.ns.cloudflare.com, sandra.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcas.us (unsigned zone)

⏱️ Timing

Total: 330ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.223.240, 104.21.4.12
AAAA22606:4700:3035::ac43:dff0, 2606:4700:3030::6815:40c
NS2salvador.ns.cloudflare.com, sandra.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1salvador.ns.cloudflare.com dns.cloudflar

Analysis

IP Addresses

mcas.us maps to four IP numbers: 2606:4700:3030::6815:40c, 2606:4700:3035::ac43:dff0, 104.21.4.12 and 172.67.223.240.

Other host names, for instance xs222.tw, technologytipsisrail.com, clientsattract.com, oscarscustard.com and dbx001.com share IP numbers with mcas.us.

Name Servers

Two name servers salvador.ns.cloudflare.com and sandra.ns.cloudflare.com are delegated to mcas.us.

mcas.us uses the same name server configuration as other domains such as jan-haubrock.de, orosz.cc and emcon.in.

mcas.us at least partially shares name servers with other domains such as 6clubr.com, idhjb.com, aledlah.com, pendoreille.org and cdhlx.net.

These name servers are commonly used with kallie.ns.cloudflare.com and lennon.ns.cloudflare.com.

Host names with six IP numbers: Host name salvador.ns.cloudflare.com points to 2606:4700:58::a29f:2c64, 2803:f800:50::6ca2:c364, 2a06:98c1:50::ac40:2364, 108.162.195.100, 162.159.44.100 and 172.64.35.100; host name sandra.ns.cloudflare.com points to 2606:4700:50::a29f:2622, 2803:f800:50::6ca2:c222, 2a06:98c1:50::ac40:2222, 108.162.194.34, 162.159.38.34 and 172.64.34.34.