`bhi-construction.com`

DNSSEC	⚠️ Not signed
A	52.70.138.155^{🇺🇸 Amazon52.70.0.0/15 EC2 IAD prefix}
		PTR	`ihs5.ktro.com`
NS	`dns3.ktro.com` ⭐ ⚠️ Not in parent delegation
		A	52.70.138.155^{🇺🇸 Amazon52.70.0.0/15 EC2 IAD prefix}
			PTR	`ihs5.ktro.com`
NS	`dns1.ktro.com`
		A	18.217.211.45^{🇺🇸 Amazon18.216.0.0/14 EC2 CMH prefix}
			PTR	`dns1.ktro.com`
NS	`dns2.ktro.com`
		A	3.141.140.137^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
			PTR	`dns2.ktro.com`
MX	`mail.bhi-construction.com` ⭐
		A	52.70.138.155^{🇺🇸 Amazon52.70.0.0/15 EC2 IAD prefix}
			PTR	`ihs5.ktro.com`
TXT	`MS=ms24691649`
TXT	`v=spf1 +a +mx +a:ihs5.ktro.com ip4:208.88.243.0/24 ip4:216.16.28.14/32 -all`
SOA	`dns3.ktro.com`johnp@ktro.com 2026-06-20 #2

`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=1785488632

Subdomains

mail.bhi-construction.com

Same first word

bhi-construction.com

DNS History

9 records (5 active, 4 former)

●NSdns1.ktro.com2026-04-10 → 2026-07-31 · 3 obs

○ 2020-01-21 01:08:40
● 2026-04-10 16:46:38
● 2026-07-31 09:23:48

●NSdns2.ktro.com2026-04-10 → 2026-07-31 · 3 obs

○ 2020-01-21 01:08:40
● 2026-04-10 16:46:38
● 2026-07-31 09:23:48

●NSdns3.ktro.com2026-04-10 → 2026-07-31 · 3 obs

○ 2020-01-21 01:08:40
● 2026-04-10 16:46:38
● 2026-07-31 09:23:48

○NSns1.ktro.com2015-08-21 → 2020-01-21 · 4 obs

● 2015-08-21 19:48:04
● 2020-01-21 01:08:40
○ 2026-04-10 16:46:38
○ 2026-07-31 09:23:48

○NSns2.ktro.com2015-08-21 → 2020-01-21 · 4 obs

● 2015-08-21 19:48:04
● 2020-01-21 01:08:40
○ 2026-04-10 16:46:38
○ 2026-07-31 09:23:48

●MXmail.bhi-construction.com2015-08-21 → 2026-07-31 · 2 obs

● 2015-08-21 19:48:04
● 2026-07-31 09:23:48

○A208.88.243.232015-08-21 → 2016-04-02 · 4 obs

● 2015-08-21 19:48:04
● 2016-04-02 13:13:46
○ 2017-02-01 15:45:28
○ 2026-07-31 09:23:48

○A208.88.243.402017-02-01 → 2020-01-21 · 5 obs

○ 2016-04-02 13:13:46
● 2017-02-01 15:45:28
● 2020-01-21 01:08:40
○ 2026-04-10 16:46:38
○ 2026-07-31 09:23:48

●A52.70.138.1552026-04-10 → 2026-07-31 · 3 obs

○ 2020-01-21 01:08:40
● 2026-04-10 16:46:38
● 2026-07-31 09:23:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...	-
bhi-construction.com	dns1.ktro.com, dns2.ktro.com	2 records

✅ Authoritative Response

Server:18.217.211.45

NS records: dns1.ktro.com, dns2.ktro.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bhi-construction.com (unsigned zone)

⏱️ Timing

Total: 302ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.70.138.155`
NS	3	`dns2.ktro.com, dns3.ktro.com...`
MX	1	`mail.bhi-construction.com (pri: 5)`
TXT	2	`MS=ms24691649, v=spf1 +a +mx +a:ihs5.ktro.com ip4:208.8`
SOA	1	`dns3.ktro.com johnp.ktro.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.ktro.com, dns2.ktro.com)

Analysis

Hierarchy

mail.bhi-construction.com is a subdomain of bhi-construction.com.

IP Addresses

bhi-construction.com directs to one IP number, which is 52.70.138.155.

Among the host names that share IP numbers with bhi-construction.com are vwebpage.com, design-mouse.com, dns3.ktro.com and two others.

Name Servers

bhi-construction.com carries NS records delegating to dns1.ktro.com, dns2.ktro.com and dns3.ktro.com.

The name servers of bhi-construction.com overlap at least partially with those of other domains — among them ktro.net, ktro.com, vwebpage.com and two more.

The name servers ns1.ktro.com, ns2.ktro.com and ns.ktro.net are commonly seen alongside these name servers.

dns1.ktro.com points to 18.217.211.45; dns2.ktro.com points to 3.141.140.137; dns3.ktro.com points to 52.70.138.155 — each hostname maps to exactly one IP address.

Mail Servers

bhi-construction.com routes its mail through a single mail server, mail.bhi-construction.com.

mail.bhi-construction.com carries a single IP number, which is 52.70.138.155.

bhi-construction.com - robtex.com