`sdgengineering.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:25e2^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d659^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.226^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.214.89^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`igor.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c177^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`igor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2177^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`igor.ns.cloudflare.com`
		A	108.162.193.119^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	172.64.33.119^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	173.245.59.119^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
NS	`jocelyn.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aae^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ae^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jocelyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ae^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jocelyn.ns.cloudflare.com`
		A	108.162.192.174^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
		A	172.64.32.174^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
		A	173.245.58.174^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jocelyn.ns.cloudflare.com`
MX	`sdgengineering-us.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f903::^{🇺🇸 Microsoft2a01:111:f000::/36}
		A	52.101.9.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	52.101.41.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
TXT	`MS=ms39613090`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.37.226, 172.67.214.89
		IPv6	2606:4700:3031::6815:25e2, 2606:4700:3035::ac43:d659
SOA	`igor.ns.cloudflare.com`dns@cloudflare.com serial=2398035998

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1773555288

Same first word

sdgengineering.us

Similar names

designinggreen.com

gdsengineering.it

DNS History

16 records (7 active, 9 former)

○NSdns010.d.register.com2015-06-08 → 2017-04-05 · 4 obs

● 2015-06-08 03:13:50
● 2017-04-05 13:38:58
○ 2026-02-16 10:55:48
○ 2026-03-24 11:47:04

○NSdns110.b.register.com2015-06-08 → 2017-04-05 · 4 obs

● 2015-06-08 03:13:50
● 2017-04-05 13:38:58
○ 2026-02-16 10:55:48
○ 2026-03-24 11:47:04

○NSdns144.c.register.com2015-06-08 → 2017-04-05 · 4 obs

● 2015-06-08 03:13:50
● 2017-04-05 13:38:58
○ 2026-02-16 10:55:48
○ 2026-03-24 11:47:04

○NSdns171.a.register.com2015-06-08 → 2017-04-05 · 4 obs

● 2015-06-08 03:13:50
● 2017-04-05 13:38:58
○ 2026-02-16 10:55:48
○ 2026-03-24 11:47:04

●NSigor.ns.cloudflare.com2026-02-16 → 2026-03-24 · 3 obs

○ 2017-04-05 13:38:58
● 2026-02-16 10:55:48
● 2026-03-24 11:47:04

●NSjocelyn.ns.cloudflare.com2026-02-16 → 2026-03-24 · 3 obs

○ 2017-04-05 13:38:58
● 2026-02-16 10:55:48
● 2026-03-24 11:47:04

●MXsdgengineering-us.mail.protection.outlook.com2015-06-08 → 2026-03-24 · 2 obs

● 2015-06-08 03:13:50
● 2026-03-24 11:47:04

●A104.21.37.2262026-02-16 → 2026-03-24 · 5 obs

○ 2017-04-05 13:38:58
● 2026-02-16 10:55:48
● 2026-02-21 19:50:28
○ 2026-02-24 01:59:40
● 2026-03-24 11:47:04

●A172.67.214.892026-02-16 → 2026-03-24 · 5 obs

○ 2017-04-05 13:38:58
● 2026-02-16 10:55:48
● 2026-02-21 19:50:28
○ 2026-02-24 01:59:40
● 2026-03-24 11:47:04

○A188.114.96.02026-02-24 → 2026-02-24 · 3 obs

○ 2026-02-21 19:50:28
● 2026-02-24 01:59:40
○ 2026-03-24 11:47:04

○A188.114.97.02026-02-24 → 2026-02-24 · 3 obs

○ 2026-02-21 19:50:28
● 2026-02-24 01:59:40
○ 2026-03-24 11:47:04

○A198.185.159.1362015-06-08 → 2017-04-05 · 4 obs

● 2015-06-08 03:13:50
● 2017-04-05 13:38:58
○ 2026-02-16 10:55:48
○ 2026-03-24 11:47:04

●A2606:4700:3031::6815:25e22026-02-16 → 2026-03-24 · 5 obs

○ 2017-04-05 13:38:58
● 2026-02-16 10:55:48
● 2026-02-21 19:50:28
○ 2026-02-24 01:59:40
● 2026-03-24 11:47:04

●A2606:4700:3035::ac43:d6592026-02-16 → 2026-03-24 · 5 obs

○ 2017-04-05 13:38:58
● 2026-02-16 10:55:48
● 2026-02-21 19:50:28
○ 2026-02-24 01:59:40
● 2026-03-24 11:47:04

○A2a06:98c1:3120::2026-02-24 → 2026-02-24 · 3 obs

○ 2026-02-21 19:50:28
● 2026-02-24 01:59:40
○ 2026-03-24 11:47:04

○A2a06:98c1:3121::2026-02-24 → 2026-02-24 · 3 obs

○ 2026-02-21 19:50:28
● 2026-02-24 01:59:40
○ 2026-03-24 11:47:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...	-
sdgengineering.us	jocelyn.ns.cloudflare.com, igor.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.119

NS records: jocelyn.ns.cloudflare.com, igor.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdgengineering.us (unsigned zone)

⏱️ Timing

Total: 1186ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.37.226, 172.67.214.89`
AAAA	2	`2606:4700:3035::ac43:d659, 2606:4700:3031::6815:25e2`
NS	2	`igor.ns.cloudflare.com, jocelyn.ns.cloudflare.com`
MX	1	`sdgengineering-us.mail.protection.outloo`
TXT	2	`MS=ms39613090, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`igor.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

sdgengineering.us points to four IP numbers: 2606:4700:3031::6815:25e2, 2606:4700:3035::ac43:d659, 104.21.37.226 and 172.67.214.89.

Other host names, for instance qzfttv.com, trueblackusa.com, kingdom4dx31.com, www.mymagictank.com and int.st share IP numbers with sdgengineering.us.

Name Servers

sdgengineering.us's delegation is to two name servers igor.ns.cloudflare.com and jocelyn.ns.cloudflare.com.

sdgengineering.us shares the same name server configuration as other domains, such as yourwpguy.com, kameliasochi.ru, arganica.eu, irfoffshoresafety.com and senpa.org.

sdgengineering.us at least partially shares its name servers with other domains, for instance teanecknjgov.org, desertsunscreens.com, f168.is, 276zz.com and xuhengarts.com.

These name servers are commonly used with aria.ns.cloudflare.com, patryk.ns.cloudflare.com and eva.ns.cloudflare.com.

Host names with six IP numbers:

igor.ns.cloudflare.com points to: 2606:4700:58::adf5:3b77, 2803:f800:50::6ca2:c177, 2a06:98c1:50::ac40:2177, 108.162.193.119, 172.64.33.119 and 173.245.59.119.

jocelyn.ns.cloudflare.com points to: 2606:4700:50::adf5:3aae, 2803:f800:50::6ca2:c0ae, 2a06:98c1:50::ac40:20ae, 108.162.192.174, 172.64.32.174 and 173.245.58.174.

Mail Servers

sdgengineering.us is served by a single mail server, sdgengineering-us.mail.protection.outlook.com.

The host name sdgengineering-us.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c902::4, 2a01:111:f403:c946::4, 2a01:111:f403:f802::2, 2a01:111:f403:f903::, 52.101.9.2, 52.101.41.3, 52.101.41.28 and 52.101.42.18.

sdgengineering.us - robtex.com