`structural-steels.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4461^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c1e1^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.68.97^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.225^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alberto.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c12^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c312^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alberto.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2312^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alberto.ns.cloudflare.com`
		A	108.162.195.18^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	162.159.44.18^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	172.64.35.18^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
NS	`raquel.ns.cloudflare.com`
		A	2606:4700:50::a29f:26d2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raquel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`raquel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`raquel.ns.cloudflare.com`
		A	108.162.194.210^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raquel.ns.cloudflare.com`
		A	162.159.38.210^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raquel.ns.cloudflare.com`
		A	172.64.34.210^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raquel.ns.cloudflare.com`
MX	`mxu.global-mail.cn` ⭐
		A	117.50.223.79^{🇨🇳 CHINA169-BJ117.50.192.0/19 China Telecom Beijing Co. Ltd.}
MX	`mxc.global-mail.cn`⁽⁵⁰⁾
		A	101.36.121.182^{🇭🇰 UCLOUD-1101.36.121.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
TXT	`v=spf1 include:spfv.global-mail.cn -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.68.97, 172.67.193.225
		IPv6	2606:4700:3032::6815:4461, 2606:4700:3037::ac43:c1e1
SOA	`alberto.ns.cloudflare.com`dns@cloudflare.com serial=2397655736

`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=1771291435

Same first word

structural-steels.com

DNS History

14 records (8 active, 6 former)

●NSalberto.ns.cloudflare.com2026-02-15 → 2026-03-23 · 3 obs

○ 2016-09-12 03:37:02
● 2026-02-15 12:19:16
● 2026-03-23 00:25:36

○NSf1g1ns1.dnspod.net2015-05-23 → 2016-03-31 · 4 obs

● 2015-05-23 06:42:58
● 2016-03-31 08:15:54
○ 2016-09-12 03:37:02
○ 2026-03-23 00:25:36

○NSf1g1ns2.dnspod.net2015-05-23 → 2016-03-31 · 4 obs

● 2015-05-23 06:42:58
● 2016-03-31 08:15:54
○ 2016-09-12 03:37:02
○ 2026-03-23 00:25:36

●NSraquel.ns.cloudflare.com2026-02-15 → 2026-03-23 · 3 obs

○ 2016-09-12 03:37:02
● 2026-02-15 12:19:16
● 2026-03-23 00:25:36

○MXmx.zoho.com2026-02-15 → 2026-02-16 · 4 obs

● 2026-02-15 12:19:16
● 2026-02-16 08:10:18
○ 2026-02-27 19:26:12
○ 2026-03-23 00:25:36

○MXmx2.zoho.com2026-02-15 → 2026-02-16 · 4 obs

● 2026-02-15 12:19:16
● 2026-02-16 08:10:18
○ 2026-02-27 19:26:12
○ 2026-03-23 00:25:36

○MXmx3.zoho.com2026-02-15 → 2026-02-16 · 4 obs

● 2026-02-15 12:19:16
● 2026-02-16 08:10:18
○ 2026-02-27 19:26:12
○ 2026-03-23 00:25:36

●MXmxc.global-mail.cn2026-02-27 → 2026-03-23 · 3 obs

○ 2026-02-16 08:10:18
● 2026-02-27 19:26:12
● 2026-03-23 00:25:36

●MXmxu.global-mail.cn2026-02-27 → 2026-03-23 · 3 obs

○ 2026-02-16 08:10:18
● 2026-02-27 19:26:12
● 2026-03-23 00:25:36

●A104.21.68.972026-02-15 → 2026-03-23 · 3 obs

○ 2016-09-12 03:37:02
● 2026-02-15 12:19:16
● 2026-03-23 00:25:36

●A172.67.193.2252026-02-15 → 2026-03-23 · 3 obs

○ 2016-09-12 03:37:02
● 2026-02-15 12:19:16
● 2026-03-23 00:25:36

●A2606:4700:3032::6815:44612026-02-15 → 2026-03-23 · 3 obs

○ 2016-09-12 03:37:02
● 2026-02-15 12:19:16
● 2026-03-23 00:25:36

●A2606:4700:3037::ac43:c1e12026-02-15 → 2026-03-23 · 3 obs

○ 2016-09-12 03:37:02
● 2026-02-15 12:19:16
● 2026-03-23 00:25:36

○A64.62.177.2232015-05-23 → 2016-03-31 · 4 obs

● 2015-05-23 06:42:58
● 2016-03-31 08:15:54
○ 2016-09-12 03:37:02
○ 2026-03-23 00:25:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...	-
structural-steels.com	raquel.ns.cloudflare.com, alberto.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.210

NS records: raquel.ns.cloudflare.com, alberto.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for structural-steels.com (unsigned zone)

⏱️ Timing

Total: 173ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.68.97, 172.67.193.225`
AAAA	2	`2606:4700:3037::ac43:c1e1, 2606:4700:3032::6815:4461`
NS	2	`alberto.ns.cloudflare.com, raquel.ns.cloudflare.com`
MX	2	`mxu.global-mail.cn (pri: 10), mxc.global-mail.cn (pri: 50)`
TXT	1	`v=spf1 include:spfv.global-mail.cn -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alberto.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

structural-steels.com refers to four IP numbers: 2606:4700:3032::6815:4461, 2606:4700:3037::ac43:c1e1, 104.21.68.97 and 172.67.193.225.

Other host names, for instance laila.co.il, sms.raidrush.ws, eleosklep.pl, scamalertus.com and mxnqaz.work share IP numbers with structural-steels.com.

Name Servers

structural-steels.com's delegation uses two name servers: alberto.ns.cloudflare.com and raquel.ns.cloudflare.com.

structural-steels.com uses the same name server setup as other domains, such as laboratoires-biarritz.com, arbinyan.com, fishroad.org.pl, resourcesmanual.com and steelestores.com.

structural-steels.com at least partially shares name servers with other domains, including waihuibaozhengjinjiaoyi.com.cn, goodbreadministries.com, asennazhenrong.com.cn, moteleq.com and verhuelsdonk.eu.

These name servers are commonly used with malavika.ns.cloudflare.com, nelly.ns.cloudflare.com and alexis.ns.cloudflare.com.

Host names with six IP numbers:

alberto.ns.cloudflare.com points to 2606:4700:58::a29f:2c12, 2803:f800:50::6ca2:c312, 2a06:98c1:50::ac40:2312, 108.162.195.18, 162.159.44.18 and 172.64.35.18.

raquel.ns.cloudflare.com points to 2606:4700:50::a29f:26d2, 2803:f800:50::6ca2:c2d2, 2a06:98c1:50::ac40:22d2, 108.162.194.210, 162.159.38.210 and 172.64.34.210.

Mail Servers

structural-steels.com is served by two mail servers mxc.global-mail.cn and mxu.global-mail.cn.

structural-steels.com shares the same mail server setup as other domains, for instance prosperity-china.com, wau.cn, link-ac.com, mypts.com.cn and kk-assist.com.cn.

structural-steels.com shares at least some mail servers with other domains, for example jmsdl.com, oqs-ap.com, iu-net.com, hb-optical.com and 52qipin.com.

These mail servers are often used together with the mail servers mx-n.global-mail.cn.

Host names with a single IP address: mxc.global-mail.cn points to 101.36.121.182; mxu.global-mail.cn points to 117.50.223.79.

structural-steels.com - robtex.com