`sdg-structure.com`

DNSSEC	⚠️ Not signed
A	35.71.130.30^{🇺🇸 Amazon35.71.128.0/20}
		PTR	`a77a5848fa94e4af4.awsglobalaccelerator.com`
A	75.2.84.121^{🇺🇸 Amazon75.2.80.0/20}
NS	`ns19.worldnic.com` ⭐
		A	162.159.26.214^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns20.worldnic.com`
		A	162.159.27.150^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx1.mtaroutes.com` ⭐
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
MX	`mx2.mtaroutes.com`⁽²⁰⁾
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
MX	`mx3.mtaroutes.com`⁽³⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
MX	`mx4.mtaroutes.com`⁽⁴⁰⁾
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
MX	`sdgstructure-com0i.mail.protection.outlook.com`⁽⁵⁰⁾
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00505.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00200.inbound.protection.outlook.com`
		A	52.101.8.44^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm5pr04cu00104.inbound.protection.outlook.com`
		A	52.101.10.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr02cu00301.inbound.protection.outlook.com`
		A	52.101.11.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
		A	52.101.41.58^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr02cu00102.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.mtaroutes.com include:spf.protection.outlook.com -all`
TXT	`apple-domain-verification=R0FBC3faZkp5hu7R`
SOA	`NS19.WORLDNIC.com`namehost@WORLDNIC.com serial=125020620

`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=1774664172

WOT: UNKNOWN (60/100)

Subdomains

www.sdg-structure.com

Same first word

sdg-structure.com

DNS History

13 records (9 active, 4 former)

●NSns19.worldnic.com2015-06-11 → 2026-03-28 · 2 obs

● 2015-06-11 23:51:20
● 2026-03-28 02:32:48

●NSns20.worldnic.com2015-06-11 → 2026-03-28 · 2 obs

● 2015-06-11 23:51:20
● 2026-03-28 02:32:48

○MXmail.sdg-structure.com2015-06-11 → 2016-02-27 · 4 obs

● 2015-06-11 23:51:20
● 2016-02-27 21:34:16
○ 2016-06-26 08:00:20
○ 2026-03-28 02:32:48

○MXmail2.sdg-structure.com2015-06-11 → 2016-02-27 · 4 obs

● 2015-06-11 23:51:20
● 2016-02-27 21:34:16
○ 2016-06-26 08:00:20
○ 2026-03-28 02:32:48

●MXmx1.mtaroutes.com2026-03-21 → 2026-03-28 · 3 obs

○ 2017-04-20 15:35:08
● 2026-03-21 21:54:44
● 2026-03-28 02:32:48

●MXmx2.mtaroutes.com2026-03-21 → 2026-03-28 · 3 obs

○ 2017-04-20 15:35:08
● 2026-03-21 21:54:44
● 2026-03-28 02:32:48

●MXmx3.mtaroutes.com2026-03-21 → 2026-03-28 · 3 obs

○ 2017-04-20 15:35:08
● 2026-03-21 21:54:44
● 2026-03-28 02:32:48

●MXmx4.mtaroutes.com2026-03-21 → 2026-03-28 · 3 obs

○ 2017-04-20 15:35:08
● 2026-03-21 21:54:44
● 2026-03-28 02:32:48

○MXsdg-structure.com.bak-mx.na0109.smtpbak.com2016-06-26 → 2017-04-20 · 5 obs

○ 2016-02-27 21:34:16
● 2016-06-26 08:00:20
● 2017-04-20 15:35:08
○ 2026-03-21 21:54:44
○ 2026-03-28 02:32:48

○MXsdg-structure.com.pri-mx.na0109.smtproutes.com2016-06-26 → 2017-04-20 · 5 obs

○ 2016-02-27 21:34:16
● 2016-06-26 08:00:20
● 2017-04-20 15:35:08
○ 2026-03-21 21:54:44
○ 2026-03-28 02:32:48

●MXsdgstructure-com0i.mail.protection.outlook.com2026-03-21 → 2026-03-28 · 3 obs

○ 2017-04-20 15:35:08
● 2026-03-21 21:54:44
● 2026-03-28 02:32:48

●A35.71.130.302026-03-21 → 2026-03-28 · 2 obs

● 2026-03-21 21:54:44
● 2026-03-28 02:32:48

●A75.2.84.1212026-03-21 → 2026-03-28 · 2 obs

● 2026-03-21 21:54:44
● 2026-03-28 02:32:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net...	-
sdg-structure.com	ns19.worldnic.com, ns20.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.150

NS records: ns19.worldnic.com, ns20.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdg-structure.com (unsigned zone)

⏱️ Timing

Total: 223ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`35.71.130.30, 75.2.84.121`
NS	2	`ns19.worldnic.com, ns20.worldnic.com`
MX	5	`mx2.mtaroutes.com (pri: 20), sdgstructure-com0i.mail.protection.outlo...`
TXT	2	`v=spf1 include:spf.mtaroutes.com include, apple-domain-verification=R0FBC3faZkp5hu`
SOA	1	`NS19.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns19.worldnic.com, ns20.worldnic.com)

Analysis

Hierarchy

sdg-structure.com is a parent of www.sdg-structure.com.

IP Addresses

sdg-structure.com points to two IP numbers: 35.71.130.30 and 75.2.84.121.

Other host names, for instance emcnashville.com, rymedtech.com, a77a5848fa94e4af4.awsglobalaccelerator.com, www.sdg-structure.com and mail.thomasonfinancial.com share IP numbers with sdg-structure.com.

Name Servers

Delegation for sdg-structure.com rests with two name servers, ns19.worldnic.com and ns20.worldnic.com.

sdg-structure.com shares the same name server setup as other domains, including aboot.com, schultheis-ins.com, ubersox.com, theapparelgroup.net and culinaryvisions.com.

Host names with one IP number: ns19.worldnic.com points to 162.159.26.214; ns20.worldnic.com points to 162.159.27.150.

Mail Servers

sdg-structure.com is handled by five mail servers: mx1.mtaroutes.com, mx2.mtaroutes.com, mx3.mtaroutes.com, mx4.mtaroutes.com and sdgstructure-com0i.mail.protection.outlook.com.

sdg-structure.com shares mail servers with other domains at least in part, for instance jmp-plant.co.uk, ttestateservices.com, wegra-mainleus.de, integrawater.com.au and ictglobal.be.

Host names with eight IP numbers:

The host name sdgstructure-com0i.mail.protection.outlook.com points to: 2a01:111:f403:c801::1, 2a01:111:f403:c902::5, 2a01:111:f403:f908::1, 2a01:111:f403:f909::, 52.101.8.44, 52.101.10.1, 52.101.11.3 and 52.101.41.58.

Host names with two IP numbers:

- The host name mx1.mtaroutes.com points to: 2001:550:2:3::62:100 and 38.71.16.244.

- The host name mx2.mtaroutes.com points to: 2001:550:2:61::2fc:100 and 38.89.254.156.

- The host name mx3.mtaroutes.com points to: 2001:550:2:3::62:100 and 38.71.16.244.

- The host name mx4.mtaroutes.com points to: 2001:550:2:78::ca:100 and 38.101.250.150.

Host names that point to 2001:550:2:3::62:100: mx1.mtaroutes.com and mx3.mtaroutes.com.

Host names that point to 38.71.16.244: mx1.mtaroutes.com and mx3.mtaroutes.com.

sdg-structure.com - robtex.com