`amstructural.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:3085^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:97fe^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.48.133^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.151.254^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cleo.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b59^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c159^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cleo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2159^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cleo.ns.cloudflare.com`
		A	108.162.193.89^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	172.64.33.89^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	173.245.59.89^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
NS	`sofia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0df^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sofia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20df^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sofia.ns.cloudflare.com`
		A	108.162.192.223^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	172.64.32.223^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	173.245.58.223^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
MX	`smtp1-msp.securence.com` ⭐
		A	216.17.3.48^{🇺🇸 USINTERNET216.17.0.0/19 US Internet route}
			PTR	`smtp1.msp.securence.com`
MX	`smtp1-mke.securence.com`⁽²⁰⁾
		A	216.17.3.48^{🇺🇸 USINTERNET216.17.0.0/19 US Internet route}
			PTR	`smtp1.msp.securence.com`
TXT	`MS=ms45785683`
TXT	`v=spf1 a mx ip4:64.33.179.210 ip4:64.33.179.212 include:spf.securence.com ip4...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.48.133, 172.67.151.254
		IPv6 hints	2606:4700:3032::6815:3085, 2606:4700:3033::ac43:97fe
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com
SOA	`cleo.ns.cloudflare.com`dns@cloudflare.com serial=2405885721

`net`

	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=1785302597

Same first word

amstructural.net

DNS History

16 records (8 active, 8 former)

●NScleo.ns.cloudflare.com2026-02-16 → 2026-07-29 · 3 obs

○ 2017-10-09 06:07:58
● 2026-02-16 09:00:10
● 2026-07-29 05:26:46

○NSns1.qcshosting.net2015-06-20 → 2017-10-09 · 4 obs

● 2015-06-20 22:46:56
● 2017-10-09 06:07:58
○ 2026-02-16 09:00:10
○ 2026-07-29 05:26:46

○NSns2.qcshosting.net2015-06-20 → 2017-10-09 · 4 obs

● 2015-06-20 22:46:56
● 2017-10-09 06:07:58
○ 2026-02-16 09:00:10
○ 2026-07-29 05:26:46

●NSsofia.ns.cloudflare.com2026-02-16 → 2026-07-29 · 3 obs

○ 2017-10-09 06:07:58
● 2026-02-16 09:00:10
● 2026-07-29 05:26:46

○MXmail.amstructural.net2015-06-20 → 2016-09-12 · 4 obs

● 2015-06-20 22:46:56
● 2016-09-12 06:47:36
○ 2017-10-09 06:07:58
○ 2026-07-29 05:26:46

○MXmail1.amstructural.net2016-04-05 → 2016-09-12 · 5 obs

○ 2015-06-20 22:46:56
● 2016-04-05 02:25:38
● 2016-09-12 06:47:36
○ 2017-10-09 06:07:58
○ 2026-07-29 05:26:46

○MXmail2.amstructural.net2016-04-05 → 2016-09-12 · 5 obs

○ 2015-06-20 22:46:56
● 2016-04-05 02:25:38
● 2016-09-12 06:47:36
○ 2017-10-09 06:07:58
○ 2026-07-29 05:26:46

●MXsmtp1-mke.securence.com2017-10-09 → 2026-07-29 · 3 obs

○ 2016-09-12 06:47:36
● 2017-10-09 06:07:58
● 2026-07-29 05:26:46

●MXsmtp1-msp.securence.com2017-10-09 → 2026-07-29 · 3 obs

○ 2016-09-12 06:47:36
● 2017-10-09 06:07:58
● 2026-07-29 05:26:46

●A104.21.48.1332026-02-16 → 2026-07-29 · 3 obs

○ 2017-10-09 06:07:58
● 2026-02-16 09:00:10
● 2026-07-29 05:26:46

●A172.67.151.2542026-02-16 → 2026-07-29 · 3 obs

○ 2017-10-09 06:07:58
● 2026-02-16 09:00:10
● 2026-07-29 05:26:46

●A2606:4700:3032::6815:30852026-07-29 → 2026-07-29 · 2 obs

○ 2026-02-16 09:00:10
● 2026-07-29 05:26:46

○A2606:4700:3032::ac43:97fe2026-02-16 → 2026-02-16 · 3 obs

○ 2017-10-09 06:07:58
● 2026-02-16 09:00:10
○ 2026-07-29 05:26:46

○A2606:4700:3033::6815:30852026-02-16 → 2026-02-16 · 3 obs

○ 2017-10-09 06:07:58
● 2026-02-16 09:00:10
○ 2026-07-29 05:26:46

●A2606:4700:3033::ac43:97fe2026-07-29 → 2026-07-29 · 2 obs

○ 2026-02-16 09:00:10
● 2026-07-29 05:26:46

○A65.23.159.2002015-06-20 → 2017-10-09 · 4 obs

● 2015-06-20 22:46:56
● 2017-10-09 06:07:58
○ 2026-02-16 09:00:10
○ 2026-07-29 05:26:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
amstructural.net	cleo.ns.cloudflare.com, sofia.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.223

NS records: cleo.ns.cloudflare.com, sofia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for amstructural.net (unsigned zone)

⏱️ Timing

Total: 576ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.48.133, 172.67.151.254`
AAAA	2	`2606:4700:3033::ac43:97fe, 2606:4700:3032::6815:3085`
NS	2	`cleo.ns.cloudflare.com, sofia.ns.cloudflare.com`
MX	2	`smtp1-msp.securence.com (pri: 10), smtp1-mke.securence.com (pri: 20)`
TXT	2	`MS=ms45785683, v=spf1 a mx ip4:64.33.179.210 ip4:64.33.`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cleo.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

amstructural.net points to the four IP addresses 104.21.48.133, 172.67.151.254, 2606:4700:3032::6815:3085 and 2606:4700:3033::ac43:97fe.

Among the host names that share IP numbers with amstructural.net are pentahydro.com, dimensiprima.com, racc.gay and two others.

Name Servers

amstructural.net is served by two delegated name servers, cleo.ns.cloudflare.com and sofia.ns.cloudflare.com.

amstructural.net has the same name server delegation as a number of other domains, such as 2911.org, sanvitovet.com, wrn.lv and two more.

At least some of amstructural.net's name servers are shared with other domains, for example deadnetcentral.com, kritharis.gr, register-pippin.com and two more.

Host names resolving to 6 IP numbers:

cleo.ns.cloudflare.com carries IP addresses 108.162.193.89, 172.64.33.89 and 173.245.59.89, with 3 other addresses beyond those.

sofia.ns.cloudflare.com carries IP addresses 108.162.192.223, 172.64.32.223 and 173.245.58.223, with 3 other addresses beyond those.

Mail Servers

The MX records for amstructural.net point to two mail servers: smtp1-mke.securence.com and smtp1-msp.securence.com.

amstructural.net has the same mail server arrangement as a number of other domains, for example harveynd.com, haynes-pump.com, gsapension.com and two more.

amstructural.net overlaps on mail servers with several other domains, for example hayden-murphy.com, lebanonrr.com, uscompliance.com and applied-dynamics.com.

smtp1-mke.securence.com and smtp1-msp.securence.com share one IP address between them — 216.17.3.48.

These two host names — smtp1-mke.securence.com and smtp1-msp.securence.com — each point to 216.17.3.48 IP addresses.

amstructural.net - robtex.com