`sigmaingegneria.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:227e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a13f^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.126^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.63^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`isla.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c077^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2077^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isla.ns.cloudflare.com`
		A	108.162.192.119^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	172.64.32.119^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	173.245.58.119^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
NS	`pablo.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bdc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1dc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pablo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21dc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pablo.ns.cloudflare.com`
		A	108.162.193.220^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
		A	172.64.33.220^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
		A	173.245.59.220^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
MX	`sigmaingegneria-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
TXT	`MS=BEE00074D53779639727BB963D8DDA1716FDFB4B`
TXT	`v=spf1 mx ip4:45.141.231.145/29 ip4:87.238.28.0/24 ip4:87.238.29.0/24 include...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.34.126, 172.67.161.63
		IPv6 hints	2606:4700:3035::6815:227e, 2606:4700:3037::ac43:a13f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com
SOA	`isla.ns.cloudflare.com`dns@cloudflare.com serial=2410719295

`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=1785437077

Same first word

sigmaingegneria.com

DNS History

15 records (7 active, 8 former)

○NSdns1.com-it.net2007-11-12 → 2007-11-12 · 3 obs

● 2007-11-12 01:48:22
○ 2015-06-09 00:55:10
○ 2026-07-30 19:12:02

○NSdns1.comm.it2007-11-12 → 2017-04-19 · 4 obs

● 2007-11-12 01:48:22
● 2017-04-19 01:02:08
○ 2026-02-15 19:08:02
○ 2026-07-30 19:12:02

○NSdns2.com-it.net2007-11-12 → 2007-11-12 · 3 obs

● 2007-11-12 01:48:22
○ 2015-06-09 00:55:10
○ 2026-07-30 19:12:02

○NSdns2.comm.it2007-11-12 → 2017-04-19 · 4 obs

● 2007-11-12 01:48:22
● 2017-04-19 01:02:08
○ 2026-02-15 19:08:02
○ 2026-07-30 19:12:02

●NSisla.ns.cloudflare.com2026-02-15 → 2026-07-30 · 3 obs

○ 2017-04-19 01:02:08
● 2026-02-15 19:08:02
● 2026-07-30 19:12:02

●NSpablo.ns.cloudflare.com2026-02-15 → 2026-07-30 · 3 obs

○ 2017-04-19 01:02:08
● 2026-02-15 19:08:02
● 2026-07-30 19:12:02

○MXmxc.comm.it2015-06-09 → 2017-04-19 · 5 obs

○ 2007-11-12 01:48:22
● 2015-06-09 00:55:10
● 2017-04-19 01:02:08
○ 2026-02-15 19:08:02
○ 2026-07-30 19:12:02

●MXsigmaingegneria-com.mail.protection.outlook.com2026-02-15 → 2026-07-30 · 3 obs

○ 2017-04-19 01:02:08
● 2026-02-15 19:08:02
● 2026-07-30 19:12:02

○MXtoaster.comm.it2007-11-12 → 2007-11-12 · 3 obs

● 2007-11-12 01:48:22
○ 2015-06-09 00:55:10
○ 2026-07-30 19:12:02

●A104.21.34.1262026-02-15 → 2026-07-30 · 2 obs

● 2026-02-15 19:08:02
● 2026-07-30 19:12:02

●A172.67.161.632026-02-15 → 2026-07-30 · 2 obs

● 2026-02-15 19:08:02
● 2026-07-30 19:12:02

○A2606:4700:3033::6815:227e2026-02-15 → 2026-02-15 · 3 obs

● 2026-02-15 19:08:02
○ 2026-06-25 08:31:32
○ 2026-07-30 19:12:02

○A2606:4700:3033::ac43:a13f2026-02-15 → 2026-02-15 · 3 obs

● 2026-02-15 19:08:02
○ 2026-06-25 08:31:32
○ 2026-07-30 19:12:02

●A2606:4700:3035::6815:227e2026-06-25 → 2026-07-30 · 3 obs

○ 2026-02-15 19:08:02
● 2026-06-25 08:31:32
● 2026-07-30 19:12:02

●A2606:4700:3037::ac43:a13f2026-06-25 → 2026-07-30 · 3 obs

○ 2026-02-15 19:08:02
● 2026-06-25 08:31:32
● 2026-07-30 19:12:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sigmaingegneria.com	isla.ns.cloudflare.com, pablo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.220

NS records: isla.ns.cloudflare.com, pablo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sigmaingegneria.com (unsigned zone)

⏱️ Timing

Total: 156ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.34.126, 172.67.161.63`
AAAA	2	`2606:4700:3035::6815:227e, 2606:4700:3037::ac43:a13f`
NS	2	`isla.ns.cloudflare.com, pablo.ns.cloudflare.com`
MX	1	`sigmaingegneria-com.mail.protection.outl`
TXT	2	`MS=BEE00074D53779639727BB963D8DDA1716FDF, v=spf1 mx ip4:45.141.231.145/29 ip4:87.2`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`isla.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sigmaingegneria.com points to the four IP addresses 104.21.34.126, 172.67.161.63, 2606:4700:3035::6815:227e and 2606:4700:3037::ac43:a13f.

heysong.com, eprimatech.com, 37x9.com plus two other host names have IP numbers in common with sigmaingegneria.com.

Name Servers

DNS delegation for sigmaingegneria.com points to two name servers: isla.ns.cloudflare.com and pablo.ns.cloudflare.com.

The name server configuration of sigmaingegneria.com is shared with other domains, for instance jkxb251.click, taxhavens.us, 007emails.com and two others.

There is at least partial name server overlap between sigmaingegneria.com and other domains — kleinsys.co, notifications-one-goglemail.com, galhochman.com and two more among them.

These name servers frequently co-occur with the name servers gina.ns.cloudflare.com and grace.ns.cloudflare.com.

Hosts with 6 IP addresses each:

isla.ns.cloudflare.com has IP addresses 108.162.192.119, 172.64.32.119 and 173.245.58.119, plus 3 other.

pablo.ns.cloudflare.com has IP addresses 108.162.193.220, 172.64.33.220 and 173.245.59.220, plus 3 other.

Mail Servers

sigmaingegneria.com uses one mail server — sigmaingegneria-com.mail.protection.outlook.com.

sigmaingegneria-com.mail.protection.outlook.com has 8 IP addresses: 52.101.68.0, 52.101.68.27, 52.101.73.2 plus 5 more.

sigmaingegneria.com - robtex.com