`grennanconstruction.com`

DNSSEC	⚠️ Not signed
A	35.212.66.184^{🇺🇸 Google35.212.0.0/17}
		PTR	`184.66.212.35.bc.googleusercontent.com`
NS	`ns1.siteground.net` ⭐
		A	75.2.77.104^{🇺🇸 Amazon75.2.64.0/20}
			PTR	`ac4b097dbd0dd6307.awsglobalaccelerator.com`
NS	`ns2.siteground.net`
		A	99.83.229.113^{🇺🇸 Amazon99.83.224.0/20}
			PTR	`ac4b097dbd0dd6307.awsglobalaccelerator.com`
MX	`grennanconstruction-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01602.inbound.protection.outlook.com`
		A	2a01:111:f403:f903::^{🇺🇸 Microsoft2a01:111:f000::/36}
		A	2a01:111:f403:f90c::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr03cu00100.inbound.protection.outlook.com`
		A	52.101.10.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.41.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	52.101.42.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr04cu00106.inbound.protection.outlook.com`
TXT	`v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:gre...`
TXT	`MS=ms37446802`
TXT	`google-site-verification=m-nGZfx1XbJaN3Ot3M-422Utp1R2U2DUxYSzeatfuA4`
TXT	`google-site-verification=TsTLaUsvgWfnQLzPAm_ubQzN4Rc9XGCy2LnG3euZQ2A`
SOA	`ns1.siteground.net`root@giowm1054.siteground.biz serial=100309

`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=1777261401

Same first word

grennanconstruction.com

DNS History

11 records (4 active, 7 former)

○NSns1.hostmonster.com2015-06-30 → 2018-01-25 · 4 obs

● 2015-06-30 11:29:14
● 2018-01-25 11:30:44
○ 2026-03-30 19:37:32
○ 2026-04-27 04:06:48

●NSns1.siteground.net2026-03-30 → 2026-04-27 · 3 obs

○ 2018-01-25 11:30:44
● 2026-03-30 19:37:32
● 2026-04-27 04:06:48

○NSns2.hostmonster.com2015-06-30 → 2018-01-25 · 4 obs

● 2015-06-30 11:29:14
● 2018-01-25 11:30:44
○ 2026-03-30 19:37:32
○ 2026-04-27 04:06:48

●NSns2.siteground.net2026-03-30 → 2026-04-27 · 3 obs

○ 2018-01-25 11:30:44
● 2026-03-30 19:37:32
● 2026-04-27 04:06:48

○MXfallbackmx.spamexperts.eu2016-05-09 → 2018-01-25 · 5 obs

○ 2016-02-13 01:12:12
● 2016-05-09 04:16:28
● 2018-01-25 11:30:44
○ 2026-03-30 19:37:32
○ 2026-04-27 04:06:48

●MXgrennanconstruction-com.mail.protection.outlook.com2026-03-30 → 2026-04-27 · 3 obs

○ 2018-01-25 11:30:44
● 2026-03-30 19:37:32
● 2026-04-27 04:06:48

○MXlastmx.spamexperts.net2016-05-09 → 2018-01-25 · 5 obs

○ 2016-02-13 01:12:12
● 2016-05-09 04:16:28
● 2018-01-25 11:30:44
○ 2026-03-30 19:37:32
○ 2026-04-27 04:06:48

○MXmail.grennanconstruction.com2015-06-30 → 2016-02-13 · 4 obs

● 2015-06-30 11:29:14
● 2016-02-13 01:12:12
○ 2016-05-09 04:16:28
○ 2026-04-27 04:06:48

○MXmx.spamexperts.com2016-05-09 → 2018-01-25 · 5 obs

○ 2016-02-13 01:12:12
● 2016-05-09 04:16:28
● 2018-01-25 11:30:44
○ 2026-03-30 19:37:32
○ 2026-04-27 04:06:48

●A35.212.66.1842026-03-30 → 2026-04-27 · 3 obs

○ 2018-01-25 11:30:44
● 2026-03-30 19:37:32
● 2026-04-27 04:06:48

○A50.63.76.12015-06-30 → 2018-01-25 · 4 obs

● 2015-06-30 11:29:14
● 2018-01-25 11:30:44
○ 2026-03-30 19:37:32
○ 2026-04-27 04:06:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
grennanconstruction.com	ns1.siteground.net, ns2.siteground.net	-

✅ Authoritative Response

Server:75.2.77.104

NS records: ns1.siteground.net, ns2.siteground.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grennanconstruction.com (unsigned zone)

⏱️ Timing

Total: 318ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.212.66.184`
NS	2	`ns1.siteground.net, ns2.siteground.net`
MX	1	`grennanconstruction-com.mail.protection.`
TXT	4	`v=spf1 include:_spf.mlsend.com include:s, MS=ms37446802...`
SOA	1	`ns1.siteground.net root.giowm1054.sitegr`

Analysis

IP Addresses

grennanconstruction.com points to a single IP number: 35.212.66.184.

other host names for instance reyhomes.com, mountainviewhealthservices.com, bbn-law.com, chucksambuchino.com and www.briarwoodresort.net share IP numbers with grennanconstruction.com.

Name Servers

grennanconstruction.com is delegated to two name servers: ns1.siteground.net and ns2.siteground.net.

grennanconstruction.com shares the same name server setup as other domains, for example sardiniapoint.it, lifetimemetalroofers.com, premiere-concierge.com, hwconsult.ch and fysio-enschede.nl.

grennanconstruction.com at least partially shares name servers with other domains, for instance theyashelf.com, craigstaley.com, grabadosdemadrid.com, katiegraykowski.com and jerrycott.com.

Host names with one IP number:

The host ns1.siteground.net points to 75.2.77.104 and the host ns2.siteground.net points to 99.83.229.113.

Mail Servers

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

Host name grennanconstruction-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::, 2a01:111:f403:c902::2, 2a01:111:f403:f903::, 2a01:111:f403:f90c::, 52.101.10.10, 52.101.11.17, 52.101.41.0 and 52.101.42.14.

grennanconstruction.com - robtex.com