`builders-steel.com`

DNSSEC	⚠️ Not signed
A	50.63.8.233^{🇺🇸 AS39810150.63.8.0/22}
		PTR	`233.8.63.50.host.secureserver.net`
NS	`ns5.worldnic.com` ⭐
		A	162.159.26.110^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`powerdns-prod06.dc.tutum.co`
NS	`ns6.worldnic.com`
		A	162.159.27.124^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`builderssteel-com02b.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:c902::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr02cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr21cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.9.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr02cu00400.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`820p4kv6u0ioccb4pc6tk16t0a`
TXT	`MS=ms74130308`
TXT	`6rf37fl95qeg8dbucd8qi9nhgq`
SOA	`NS5.WORLDNIC.com`namehost@WORLDNIC.com serial=124121610

`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=1776154122

Subdomains

mail.builders-steel.com

Same first word

builders-steel.com

DNS History

10 records (4 active, 6 former)

○NSns1.kelcontech.com2015-08-15 → 2017-04-05 · 4 obs

● 2015-08-15 15:37:36
● 2017-04-05 14:38:02
○ 2026-02-24 20:31:34
○ 2026-04-14 08:13:02

○NSns2.kelcontech.com2015-08-15 → 2017-04-05 · 4 obs

● 2015-08-15 15:37:36
● 2017-04-05 14:38:02
○ 2026-02-24 20:31:34
○ 2026-04-14 08:13:02

○NSns3.kelcontech.com2015-08-15 → 2017-04-05 · 4 obs

● 2015-08-15 15:37:36
● 2017-04-05 14:38:02
○ 2026-02-24 20:31:34
○ 2026-04-14 08:13:02

○NSns4.kelcontech.com2015-08-15 → 2017-04-05 · 4 obs

● 2015-08-15 15:37:36
● 2017-04-05 14:38:02
○ 2026-02-24 20:31:34
○ 2026-04-14 08:13:02

●NSns5.worldnic.com2026-02-24 → 2026-04-14 · 3 obs

○ 2017-04-05 14:38:02
● 2026-02-24 20:31:34
● 2026-04-14 08:13:02

●NSns6.worldnic.com2026-02-24 → 2026-04-14 · 3 obs

○ 2017-04-05 14:38:02
● 2026-02-24 20:31:34
● 2026-04-14 08:13:02

●MXbuilderssteel-com02b.mail.protection.outlook.com2026-02-24 → 2026-04-14 · 3 obs

○ 2017-04-05 14:38:02
● 2026-02-24 20:31:34
● 2026-04-14 08:13:02

○MXsmartmta.kelcontech.com2015-08-15 → 2017-04-05 · 4 obs

● 2015-08-15 15:37:36
● 2017-04-05 14:38:02
○ 2026-02-24 20:31:34
○ 2026-04-14 08:13:02

○A173.197.15.1012015-08-15 → 2017-04-05 · 4 obs

● 2015-08-15 15:37:36
● 2017-04-05 14:38:02
○ 2026-02-24 20:31:34
○ 2026-04-14 08:13:02

●A50.63.8.2332026-02-24 → 2026-04-14 · 3 obs

○ 2017-04-05 14:38:02
● 2026-02-24 20:31:34
● 2026-04-14 08:13:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...	-
builders-steel.com	ns5.worldnic.com, ns6.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.124

NS records: ns5.worldnic.com, ns6.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for builders-steel.com (unsigned zone)

⏱️ Timing

Total: 200ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.63.8.233`
NS	2	`ns6.worldnic.com, ns5.worldnic.com`
MX	1	`builderssteel-com02b.mail.protection.out`
TXT	4	`MS=ms74130308, 820p4kv6u0ioccb4pc6tk16t0a...`
SOA	1	`NS5.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns5.worldnic.com, ns6.worldnic.com)

Analysis

Hierarchy

builders-steel.com is the parent of mail.builders-steel.com.

IP Addresses

builders-steel.com resolves to a single IP: 50.63.8.233.

Other host names, for instance drpetermccarthy.com, blackmaninternational.com, sky-ops.com, knutsonimages.com and avicenna4it.com share IP numbers with builders-steel.com.

Name Servers

builders-steel.com has two name servers: ns5.worldnic.com and ns6.worldnic.com.

builders-steel.com shares the same name server setup as other domains, for example bjsorderahead.com, stakup.org, illumio.info, getlocalsports.net and kiwicoders.com.

builders-steel.com partially shares name servers with other domains, for instance pearle.biz.

Host names with a single IP:

ns5.worldnic.com points to 162.159.26.110

ns6.worldnic.com points to 162.159.27.124

Mail Servers

builders-steel.com is handled by a single mail server, builderssteel-com02b.mail.protection.outlook.com.

Host builderssteel-com02b.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::4, 2a01:111:f403:c902::7, 2a01:111:f403:c91d::a, 2a01:111:f403:c92c::4, 52.101.8.51, 52.101.9.24, 52.101.11.17 and 52.101.42.18.

builders-steel.com - robtex.com