`stewartbuildersltd.com`

DNSSEC	⚠️ Not signed
A	151.101.66.159^{🇺🇸 Fastly151.101.64.0/22}
NS	`ns1.domaindiscover.com` ⭐
		A	72.1.32.151^{🇺🇸 Amazon72.1.32.0/21 EC2 Prefix}
			PTR	`ns1.domaindiscover.com`
NS	`ns2.domaindiscover.com`
		A	35.174.37.23^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
			PTR	`ec2-35-174-37-23.compute-1.amazonaws.com`
MX	`stewartbuildersltd-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::14^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00101.inbound.protection.outlook.com`
		A	52.101.8.34^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	52.101.10.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr04cu00105.inbound.protection.outlook.com`
		A	52.101.11.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
TXT	`c2d0qsn2q848qlk9o49ip1kjab`
TXT	`v=spf1 ip4:12.44.39.68 ip4:12.190.127.228 ip4:23.30.71.9 include:spf.protecti...`
TXT	`yaSo2HaWlY+a27ue8b9OQGMm2JwTKNfRJ6kO03nxOCpPfkk++VcBMyrbA00u2bMSYqFX4O/fueFnr...`
TXT	`m5q9hnct9eldf9b9ie39no5gb5`
TXT	`MS=ms58485687`
TXT	`duo_sso_verification=amBGYNeCKqPDBrxxrLiyxOkwwL0NhxMgSqAP4aByEKTfmcl8OZac3vuC...`
TXT	`ts2oenvov8jhl2vctt5kf5k9iq.`
SOA	`ns1.domaindiscover.com`hostmaster@tierra.net 2026-01-15 #1

`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=1776881422

Subdomains

mail.stewartbuildersltd.com

Same first word

stewartbuildersltd.com

DNS History

8 records (4 active, 4 former)

●NSns1.domaindiscover.com2015-07-03 → 2026-04-22 · 2 obs

● 2015-07-03 05:06:46
● 2026-04-22 18:26:04

●NSns2.domaindiscover.com2015-07-03 → 2026-04-22 · 2 obs

● 2015-07-03 05:06:46
● 2026-04-22 18:26:04

○MXcluster6.us.messagelabs.com2015-07-03 → 2016-12-02 · 4 obs

● 2015-07-03 05:06:46
● 2016-12-02 01:21:44
○ 2017-07-03 12:17:54
○ 2026-04-22 18:26:04

○MXcluster6a.us.messagelabs.com2015-07-03 → 2016-12-02 · 4 obs

● 2015-07-03 05:06:46
● 2016-12-02 01:21:44
○ 2017-07-03 12:17:54
○ 2026-04-22 18:26:04

○MXd112674a.ess.barracudanetworks.com2017-07-03 → 2017-07-03 · 4 obs

○ 2016-12-02 01:21:44
● 2017-07-03 12:17:54
○ 2026-04-07 21:05:28
○ 2026-04-22 18:26:04

○MXd112674b.ess.barracudanetworks.com2017-07-03 → 2017-07-03 · 4 obs

○ 2016-12-02 01:21:44
● 2017-07-03 12:17:54
○ 2026-04-07 21:05:28
○ 2026-04-22 18:26:04

●MXstewartbuildersltd-com.mail.protection.outlook.com2026-04-07 → 2026-04-22 · 3 obs

○ 2017-07-03 12:17:54
● 2026-04-07 21:05:28
● 2026-04-22 18:26:04

●A151.101.66.1592026-04-07 → 2026-04-22 · 2 obs

● 2026-04-07 21:05:28
● 2026-04-22 18:26:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
stewartbuildersltd.com	ns1.domaindiscover.com, ns2.domaindiscover.com	2 records

✅ Authoritative Response

Server:35.174.37.23

NS records: ns1.domaindiscover.com, ns2.domaindiscover.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stewartbuildersltd.com (unsigned zone)

⏱️ Timing

Total: 236ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`151.101.66.159`
NS	2	`ns1.domaindiscover.com, ns2.domaindiscover.com`
MX	1	`stewartbuildersltd-com.mail.protection.o`
TXT	7	`c2d0qsn2q848qlk9o49ip1kjab, v=spf1 ip4:12.44.39.68 ip4:12.190.127.22...`
SOA	1	`ns1.domaindiscover.com hostmaster.tierra`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.domaindiscover.com, ns2.domaindiscover.com)

Analysis

Hierarchy

stewartbuildersltd.com is the parent of mail.stewartbuildersltd.com.

IP Addresses

stewartbuildersltd.com resolves to one IP number: 151.101.66.159.

other host names including www.royalgorgeroute.com, mail.elisabethmorrow.org, rangitikeicollege.school.nz, redeemedreader.com and raleighent.com share IP numbers with stewartbuildersltd.com.

Name Servers

stewartbuildersltd.com is delegated to two name servers ns1.domaindiscover.com and ns2.domaindiscover.com.

stewartbuildersltd.com shares the same name server setup as other domains, for instance jonraivala.com, digitaldad.com, monast.com, happymail.com and nononsensecompany.net.

stewartbuildersltd.com at least partially shares name servers with other domains, for instance probation.com, forestport.net, arican.com, mrisandias.com and haplochip.com.

These name servers are commonly used alongside ns1.tierra.net and ns2.tierra.net.

Host names with one IP number:

ns1.domaindiscover.com points to 72.1.32.151

ns2.domaindiscover.com points to 35.174.37.23

Mail Servers

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

Host stewartbuildersltd-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::14, 2a01:111:f403:c927::, 2a01:111:f403:c946::2, 2a01:111:f403:f802::1, 52.101.8.34, 52.101.10.5, 52.101.11.3 and 52.101.41.28.

stewartbuildersltd.com - robtex.com