`mcs-const.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:48b8^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:99da^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.184^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.218^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chan.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c052^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2052^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chan.ns.cloudflare.com`
		A	108.162.192.82^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	172.64.32.82^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	173.245.58.82^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
NS	`clark.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c157^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clark.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2157^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clark.ns.cloudflare.com`
		A	108.162.193.87^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	172.64.33.87^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	173.245.59.87^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
MX	`mcs--const-com.mx1.arsmtp.com` ⭐
		A	8.31.233.244^{🇺🇸 APPRI-18.31.233.0/24 AppRiver, LLC 1101 Gulf Breeze Parkway Gulf Breeze, FL 32561 US}
			PTR	`server2018.appriver.com`
			PTR	`whois201e.appriver.com`
MX	`mcs--const-com.mx2.arsmtp.com`⁽²⁰⁾
		A	8.19.118.225^{🇺🇸 AS133808.19.118.0/24 AppRiver, LLC 1101 Gulf Breeze Parkway Gulf Breeze, FL 32561 US}
			PTR	`server2019.appriver.com`
TXT	`MS=ms23990944`
TXT	`v=spf1 include:spf.protection.outlook.com include:edgepilot.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.72.184, 172.67.153.218
		IPv6 hints	2606:4700:3031::6815:48b8, 2606:4700:3033::ac43:99da
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com
SOA	`chan.ns.cloudflare.com`dns@cloudflare.com serial=2408856103

`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=1784148422

Same first word

mcs-const.com

DNS History

19 records (8 active, 11 former)

●NSchan.ns.cloudflare.com2026-07-11 → 2026-07-15 · 3 obs

○ 2019-01-30 12:53:02
● 2026-07-11 07:00:58
● 2026-07-15 20:57:48

●NSclark.ns.cloudflare.com2026-07-11 → 2026-07-15 · 3 obs

○ 2019-01-30 12:53:02
● 2026-07-11 07:00:58
● 2026-07-15 20:57:48

○NSns39.domaincontrol.com2019-01-30 → 2019-01-30 · 3 obs

● 2019-01-30 12:53:02
○ 2026-07-11 07:00:58
○ 2026-07-15 20:57:48

○NSns40.domaincontrol.com2019-01-30 → 2019-01-30 · 3 obs

● 2019-01-30 12:53:02
○ 2026-07-11 07:00:58
○ 2026-07-15 20:57:48

●MXmcs--const-com.mx1.arsmtp.com2026-07-11 → 2026-07-15 · 3 obs

○ 2019-01-30 12:53:02
● 2026-07-11 07:00:58
● 2026-07-15 20:57:48

●MXmcs--const-com.mx2.arsmtp.com2026-07-11 → 2026-07-15 · 3 obs

○ 2019-01-30 12:53:02
● 2026-07-11 07:00:58
● 2026-07-15 20:57:48

○MXmcsconst-com0i.mail.protection.outlook.com2019-01-30 → 2019-01-30 · 3 obs

● 2019-01-30 12:53:02
○ 2026-07-11 07:00:58
○ 2026-07-15 20:57:48

●A104.21.72.1842026-07-11 → 2026-07-15 · 3 obs

○ 2019-01-30 12:53:02
● 2026-07-11 07:00:58
● 2026-07-15 20:57:48

●A172.67.153.2182026-07-11 → 2026-07-15 · 3 obs

○ 2019-01-30 12:53:02
● 2026-07-11 07:00:58
● 2026-07-15 20:57:48

○A184.168.221.362019-01-30 → 2019-01-30 · 3 obs

● 2019-01-30 12:53:02
○ 2026-07-11 07:00:58
○ 2026-07-15 20:57:48

○A184.168.221.372019-01-30 → 2019-01-30 · 3 obs

● 2019-01-30 12:53:02
○ 2026-07-11 07:00:58
○ 2026-07-15 20:57:48

○A184.168.221.492019-01-30 → 2019-01-30 · 3 obs

● 2019-01-30 12:53:02
○ 2026-07-11 07:00:58
○ 2026-07-15 20:57:48

○A184.168.221.522019-01-30 → 2019-01-30 · 3 obs

● 2019-01-30 12:53:02
○ 2026-07-11 07:00:58
○ 2026-07-15 20:57:48

○A184.168.221.632019-01-30 → 2019-01-30 · 3 obs

● 2019-01-30 12:53:02
○ 2026-07-11 07:00:58
○ 2026-07-15 20:57:48

●A2606:4700:3031::6815:48b82026-07-11 → 2026-07-15 · 3 obs

○ 2019-01-30 12:53:02
● 2026-07-11 07:00:58
● 2026-07-15 20:57:48

●A2606:4700:3033::ac43:99da2026-07-11 → 2026-07-15 · 3 obs

○ 2019-01-30 12:53:02
● 2026-07-11 07:00:58
● 2026-07-15 20:57:48

○A50.63.202.372019-01-30 → 2019-01-30 · 3 obs

● 2019-01-30 12:53:02
○ 2026-07-11 07:00:58
○ 2026-07-15 20:57:48

○A50.63.202.392019-01-30 → 2019-01-30 · 3 obs

● 2019-01-30 12:53:02
○ 2026-07-11 07:00:58
○ 2026-07-15 20:57:48

○A50.63.202.472019-01-30 → 2019-01-30 · 3 obs

● 2019-01-30 12:53:02
○ 2026-07-11 07:00:58
○ 2026-07-15 20:57:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mcs-const.com	chan.ns.cloudflare.com, clark.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.87

NS records: chan.ns.cloudflare.com, clark.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcs-const.com (unsigned zone)

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.153.218, 104.21.72.184`
AAAA	2	`2606:4700:3031::6815:48b8, 2606:4700:3033::ac43:99da`
NS	2	`chan.ns.cloudflare.com, clark.ns.cloudflare.com`
MX	2	`mcs--const-com.mx1.arsmtp.com (pri: 10), mcs--const-com.mx2.arsmtp.com (pri: 20)`
TXT	2	`MS=ms23990944, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chan.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mcs-const.com resolves to four IP addresses: 104.21.72.184, 172.67.153.218, 2606:4700:3031::6815:48b8 and 2606:4700:3033::ac43:99da.

w44.dressdarling.com, www.aca.edu.py, 90.lubinski.co.il and two other host names share IP numbers with mcs-const.com.

Name Servers

mcs-const.com is served by two delegated name servers, chan.ns.cloudflare.com and clark.ns.cloudflare.com.

mcs-const.com uses the same name servers as several other domains — among them badasstoolbox.com, grandislandpt.com, snellservices.com and two more.

mcs-const.com has at least partial name server overlap with other domains, such as jpn.mn, heypizzaonline.com, atex-system.co.uk and two others.

It is common to find these name servers paired with the name servers merlin.ns.cloudflare.com, doug.ns.cloudflare.com, keyla.ns.cloudflare.com and theo.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

chan.ns.cloudflare.com carries IP addresses 108.162.192.82, 172.64.32.82 and 173.245.58.82, with 3 other addresses beyond those.

clark.ns.cloudflare.com carries IP addresses 108.162.193.87, 172.64.33.87 and 173.245.59.87, with 3 other addresses beyond those.

Mail Servers

Mail for mcs-const.com is handled by two mail servers — mcs--const-com.mx1.arsmtp.com and mcs--const-com.mx2.arsmtp.com.

mcs--const-com.mx1.arsmtp.com directs to 8.31.233.244 and mcs--const-com.mx2.arsmtp.com directs to 8.19.118.225; each host name points to exactly one IP number.

mcs-const.com - robtex.com

mcs-const.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`mcs-const.com`

`com`