`b21construction.com`

DNSSEC	⚠️ Not signed
A	3.33.130.190^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`a2aa9ff50de748dbe.awsglobalaccelerator.com`
A	15.197.148.33^{🇺🇸 Amazon15.197.144.0/20}
NS	`ns47.domaincontrol.com` ⭐
		A	2603:5:2172::18^{🇺🇸 GODADDY-DNS2603:5:2170::/44}
			PTR	`ns47.domaincontrol.com`
		A	97.74.103.24^{🇺🇸 GODADDY-DNS97.74.102.0/23}
			PTR	`ns47.domaincontrol.com`
NS	`ns48.domaincontrol.com`
		A	2603:5:2272::18^{🇺🇸 GODADDY-DNS2603:5:2270::/44}
			PTR	`ns48.domaincontrol.com`
		A	173.201.71.24^{🇺🇸 GODADDY-DNS173.201.70.0/23}
			PTR	`ns48.domaincontrol.com`
MX	`b21construction-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c927::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00200.inbound.protection.outlook.com`
		A	52.101.10.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	52.101.11.9^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr02cu00101.inbound.protection.outlook.com`
		A	52.101.41.56^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr21cu00100.inbound.protection.outlook.com`
		A	52.101.50.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00401.inbound.protection.outlook.com`
TXT	`NETORGFT13978728.onmicrosoft.com`
TXT	`v=spf1 include:secureserver.net -all`
SOA	`ns47.domaincontrol.com`dns@jomax.net 2023-09-19 #0

`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=1774560567

Same first word

b21construction.com

DNS History

15 records (5 active, 10 former)

●NSns47.domaincontrol.com2026-03-26 → 2026-03-26 · 3 obs

○ 2015-11-05 12:43:00
● 2026-03-26 21:50:16
● 2026-03-26 21:50:18

●NSns48.domaincontrol.com2026-03-26 → 2026-03-26 · 3 obs

○ 2015-11-05 12:43:00
● 2026-03-26 21:50:16
● 2026-03-26 21:50:18

○NSyns1.yahoo.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:40:10
○ 2015-11-05 12:43:00
○ 2026-03-26 21:50:18

○NSyns2.yahoo.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:40:10
○ 2015-11-05 12:43:00
○ 2026-03-26 21:50:18

●MXb21construction-com.mail.protection.outlook.com2026-03-26 → 2026-03-26 · 3 obs

○ 2015-11-05 12:43:00
● 2026-03-26 21:50:16
● 2026-03-26 21:50:18

○MXmx1.biz.mail.yahoo.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:40:10
○ 2015-11-05 12:43:00
○ 2026-03-26 21:50:18

○MXmx5.biz.mail.yahoo.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:40:10
○ 2015-11-05 12:43:00
○ 2026-03-26 21:50:18

●A15.197.148.332026-03-26 → 2026-03-26 · 3 obs

○ 2015-11-05 12:43:00
● 2026-03-26 21:50:16
● 2026-03-26 21:50:18

○A216.39.58.412008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:40:10
○ 2015-11-05 12:43:00
○ 2026-03-26 21:50:18

○A216.39.58.422008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:40:10
○ 2015-11-05 12:43:00
○ 2026-03-26 21:50:18

○A216.39.58.432008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:40:10
○ 2015-11-05 12:43:00
○ 2026-03-26 21:50:18

○A216.39.58.442008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:40:10
○ 2015-11-05 12:43:00
○ 2026-03-26 21:50:18

○A216.39.58.452008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:40:10
○ 2015-11-05 12:43:00
○ 2026-03-26 21:50:18

○A216.39.58.462008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:40:10
○ 2015-11-05 12:43:00
○ 2026-03-26 21:50:18

●A3.33.130.1902026-03-26 → 2026-03-26 · 3 obs

○ 2015-11-05 12:43:00
● 2026-03-26 21:50:16
● 2026-03-26 21:50:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
b21construction.com	ns47.domaincontrol.com, ns48.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.103.24

NS records: ns47.domaincontrol.com, ns48.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b21construction.com (unsigned zone)

⏱️ Timing

Total: 251ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.33.130.190, 15.197.148.33`
NS	2	`ns47.domaincontrol.com, ns48.domaincontrol.com`
MX	1	`b21construction-com.mail.protection.outl`
TXT	2	`NETORGFT13978728.onmicrosoft.com, v=spf1 include:secureserver.net -all`
SOA	1	`ns47.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns47.domaincontrol.com, ns47.domaincontrol.com, ns48.domaincontrol.com...)

Analysis

IP Addresses

b21construction.com points to two IPs: 3.33.130.190 and 15.197.148.33.

Other host names including lootlines.com, theysohnnorthamerica.com, mygoldvault.com, vodkafreak.com and audio-odyssey.com share IP numbers with b21construction.com.

Name Servers

b21construction.com's delegation uses two name servers, ns47.domaincontrol.com and ns48.domaincontrol.com.

b21construction.com shares the same name server setup as other domains, for example realmfinancial.com, kmrtalent.com, getpockets.com, theglassladybug.com and sesps.net.

Host names with two IPs:

ns47.domaincontrol.com points to: 2603:5:2172::18 and 97.74.103.24

ns48.domaincontrol.com points to: 2603:5:2272::18 and 173.201.71.24

Mail Servers

b21construction.com is handled by a single mail server, b21construction-com.mail.protection.outlook.com.

Hostname b21construction-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c927::1, 2a01:111:f403:c92c::4, 2a01:111:f403:f804::1, 2a01:111:f403:f909::, 52.101.10.16, 52.101.11.9, 52.101.41.56 and 52.101.50.1.

b21construction.com - robtex.com