`emc2architects.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5aaa^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:9e37^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.170^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.158.55^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lee.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c181^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2181^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lee.ns.cloudflare.com`
		A	108.162.193.129^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	172.64.33.129^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	173.245.59.129^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
NS	`ligia.ns.cloudflare.com`
		A	2606:4700:50::a29f:2604^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ligia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c204^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ligia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2204^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ligia.ns.cloudflare.com`
		A	108.162.194.4^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ligia.ns.cloudflare.com`
		A	162.159.38.4^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ligia.ns.cloudflare.com`
		A	172.64.34.4^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ligia.ns.cloudflare.com`
MX	`emc2architects-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr21cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr21cu00105.inbound.protection.outlook.com`
		A	52.101.10.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00106.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
		A	52.101.41.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01600.inbound.protection.outlook.com`
		A	52.101.194.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch4pr21cu00107.inbound.protection.outlook.com`
TXT	`MS=ms38993326`
TXT	`v=spf1 ip4:184.183.12.146 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.170, 172.67.158.55
		IPv6 hints	2606:4700:3031::6815:5aaa, 2606:4700:3036::ac43:9e37
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=167, name=cloudflare-ech.com
SOA	`lee.ns.cloudflare.com`dns@cloudflare.com serial=2400775617

`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=1776157792

WOT: UNKNOWN (62/100)

Subdomains

smtp.emc2architects.com

Same first word

emc2architects.com

DNS History

14 records (7 active, 7 former)

●NSlee.ns.cloudflare.com2026-02-15 → 2026-04-14 · 3 obs

○ 2018-01-27 06:10:40
● 2026-02-15 15:41:22
● 2026-04-14 09:26:48

●NSligia.ns.cloudflare.com2026-02-15 → 2026-04-14 · 3 obs

○ 2018-01-27 06:10:40
● 2026-02-15 15:41:22
● 2026-04-14 09:26:48

○NSns79.worldnic.com2007-11-15 → 2018-01-27 · 4 obs

● 2007-11-15 20:24:28
● 2018-01-27 06:10:40
○ 2026-02-15 15:41:22
○ 2026-04-14 09:26:48

○NSns80.worldnic.com2007-11-15 → 2018-01-27 · 4 obs

● 2007-11-15 20:24:28
● 2018-01-27 06:10:40
○ 2026-02-15 15:41:22
○ 2026-04-14 09:26:48

●MXemc2architects-com.mail.protection.outlook.com2017-01-02 → 2026-04-14 · 3 obs

○ 2016-04-22 19:26:36
● 2017-01-02 15:00:16
● 2026-04-14 09:26:48

○MXmail.emc2architects.com2015-05-24 → 2016-04-22 · 5 obs

○ 2007-11-15 20:24:28
● 2015-05-24 16:20:26
● 2016-04-22 19:26:36
○ 2017-01-02 15:00:16
○ 2026-04-14 09:26:48

○MXserver1.emc2architects.com2007-11-15 → 2016-04-22 · 4 obs

● 2007-11-15 20:24:28
● 2016-04-22 19:26:36
○ 2017-01-02 15:00:16
○ 2026-04-14 09:26:48

○MXsmtp.emc2architects.com2015-05-24 → 2016-04-22 · 5 obs

○ 2007-11-15 20:24:28
● 2015-05-24 16:20:26
● 2016-04-22 19:26:36
○ 2017-01-02 15:00:16
○ 2026-04-14 09:26:48

●A104.21.90.1702026-02-15 → 2026-04-14 · 3 obs

○ 2018-01-27 06:10:40
● 2026-02-15 15:41:22
● 2026-04-14 09:26:48

●A172.67.158.552026-02-15 → 2026-04-14 · 3 obs

○ 2018-01-27 06:10:40
● 2026-02-15 15:41:22
● 2026-04-14 09:26:48

○A206.188.192.132015-05-24 → 2018-01-27 · 5 obs

○ 2007-11-15 20:24:28
● 2015-05-24 16:20:26
● 2018-01-27 06:10:40
○ 2026-02-15 15:41:22
○ 2026-04-14 09:26:48

●A2606:4700:3031::6815:5aaa2026-02-15 → 2026-04-14 · 3 obs

○ 2018-01-27 06:10:40
● 2026-02-15 15:41:22
● 2026-04-14 09:26:48

●A2606:4700:3036::ac43:9e372026-02-15 → 2026-04-14 · 3 obs

○ 2018-01-27 06:10:40
● 2026-02-15 15:41:22
● 2026-04-14 09:26:48

○A68.14.243.192007-11-15 → 2007-11-15 · 3 obs

● 2007-11-15 20:24:28
○ 2015-05-24 16:20:26
○ 2026-04-14 09:26:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net...	-
emc2architects.com	lee.ns.cloudflare.com, ligia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.4

NS records: lee.ns.cloudflare.com, ligia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for emc2architects.com (unsigned zone)

⏱️ Timing

Total: 183ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.170, 172.67.158.55`
AAAA	2	`2606:4700:3036::ac43:9e37, 2606:4700:3031::6815:5aaa`
NS	2	`lee.ns.cloudflare.com, ligia.ns.cloudflare.com`
MX	1	`emc2architects-com.mail.protection.outlo`
TXT	2	`MS=ms38993326, v=spf1 ip4:184.183.12.146 include:spf.pr`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lee.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

emc2architects.com is the parent of smtp.emc2architects.com.

IP Addresses

Four IP numbers are pointed to by emc2architects.com: 2606:4700:3031::6815:5aaa, 2606:4700:3036::ac43:9e37, 104.21.90.170 and 172.67.158.55.

other host names including chrobotics.com, woodwick.it, cstpt.cn, kau.edu and pheaveyancy.my.id share IP numbers with emc2architects.com.

Name Servers

emc2architects.com is delegated to two name servers lee.ns.cloudflare.com and ligia.ns.cloudflare.com.

emc2architects.com shares the same name server setup as other domains, for instance idg.com.ar, dogitemoutlet.com, aglany.org, nettraceflowx-ca1711gid-appealguard.pages.dev and gouldevans.com.

emc2architects.com at least partially shares name servers with other domains, for instance vemaho.de, vemgreild.com, nine4k.com, maildrop.cc and bedrijvengroepniedorp.nl.

These name servers are commonly used alongside rex.ns.cloudflare.com and giancarlo.ns.cloudflare.com.

Host names with six IP numbers:

Host name lee.ns.cloudflare.com points to: 2606:4700:58::adf5:3b81, 2803:f800:50::6ca2:c181, 2a06:98c1:50::ac40:2181, 108.162.193.129, 172.64.33.129 and 173.245.59.129.

Host name ligia.ns.cloudflare.com points to: 2606:4700:50::a29f:2604, 2803:f800:50::6ca2:c204, 2a06:98c1:50::ac40:2204, 108.162.194.4, 162.159.38.4 and 172.64.34.4.

Mail Servers

emc2architects.com is handled by a single mail server, emc2architects-com.mail.protection.outlook.com.

Host emc2architects-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c91d::a, 2a01:111:f403:c91d::b, 2a01:111:f403:c946::2, 2a01:111:f403:c946::5, 52.101.10.6, 52.101.11.19, 52.101.41.24 and 52.101.194.15.

emc2architects.com - robtex.com