sentryis.com - dns.ninja

`sentryis.com`

DNSSEC	⚠️ Not signed
A	204.239.183.34^{🇨🇦 AS912-HUT8-EAST204.239.183.0/24 SAMCO Software -SWG}
		PTR	`mail.sentryis.com`
NS	`dns026.a.register.com` ⭐ ⚠️ Not in parent delegation
		A	216.21.231.26^{🇺🇸 Jacksonville216.21.231.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns026.a.register.com`
NS	`dns023.c.register.com` ⚠️ Not in parent delegation
		A	216.21.235.23^{🇺🇸 Jacksonville216.21.234.0/23 NF ATL SUBNETS}
			PTR	`dns023.c.register.com`
NS	`dns041.b.register.com` ⚠️ Not in parent delegation
		A	216.21.232.41^{🇺🇸 Jacksonville216.21.232.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns041.b.register.com`
NS	`dns1.srsplus.com` ⚠️ Not in zone NS records
		A	162.159.27.248^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns177.d.register.com` ⚠️ Not in parent delegation
		A	216.21.236.177^{🇺🇸 Jacksonville216.21.236.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns177.d.register.com`
NS	`dns2.srsplus.com` ⚠️ Not in zone NS records
		A	162.159.26.197^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mail2.sentryis.com` ⭐
		A	204.239.183.34^{🇨🇦 AS912-HUT8-EAST204.239.183.0/24 SAMCO Software -SWG}
			PTR	`mail.sentryis.com`
MX	`mail.sentryis.com`⁽²⁰⁾
		A	204.239.183.34^{🇨🇦 AS912-HUT8-EAST204.239.183.0/24 SAMCO Software -SWG}
			PTR	`mail.sentryis.com`
TXT	`google-site-verification=gu8Iy6U9B4U1dAlWQPJ_-utceGOKzP5mj3f-ukCdvGU`
TXT	`v=spf1 a mx -all`
SOA	`dns026.a.register.com`root@register.com 2015-09-28 #37

`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=1786466944

Subdomains

samcodns.sentryis.com

mail2.sentryis.com

mail.sentryis.com

Same first word

sentryis.com

Similar names

DNS History

13 records (9 active, 4 former)

○NSdns013.a.register.com2015-06-05 → 2015-06-05 · 3 obs

● 2015-06-05 10:02:32
○ 2015-10-19 19:51:10
○ 2026-08-11 17:15:12

●NSdns023.c.register.com2015-10-19 → 2026-08-11 · 3 obs

○ 2015-06-05 10:02:32
● 2015-10-19 19:51:10
● 2026-08-11 17:15:12

●NSdns026.a.register.com2015-10-19 → 2026-08-11 · 3 obs

○ 2015-06-05 10:02:32
● 2015-10-19 19:51:10
● 2026-08-11 17:15:12

●NSdns041.b.register.com2015-10-19 → 2026-08-11 · 3 obs

○ 2015-06-05 10:02:32
● 2015-10-19 19:51:10
● 2026-08-11 17:15:12

○NSdns082.d.register.com2015-06-05 → 2015-06-05 · 3 obs

● 2015-06-05 10:02:32
○ 2015-10-19 19:51:10
○ 2026-08-11 17:15:12

●NSdns1.srsplus.com2026-03-19 → 2026-08-11 · 3 obs

○ 2015-10-19 19:51:10
● 2026-03-19 20:45:06
● 2026-08-11 17:15:12

●NSdns177.d.register.com2015-10-19 → 2026-08-11 · 3 obs

○ 2015-06-05 10:02:32
● 2015-10-19 19:51:10
● 2026-08-11 17:15:12

○NSdns186.b.register.com2015-06-05 → 2015-06-05 · 3 obs

● 2015-06-05 10:02:32
○ 2015-10-19 19:51:10
○ 2026-08-11 17:15:12

●NSdns2.srsplus.com2026-03-19 → 2026-08-11 · 3 obs

○ 2015-10-19 19:51:10
● 2026-03-19 20:45:06
● 2026-08-11 17:15:12

○NSdns213.c.register.com2015-06-05 → 2015-06-05 · 3 obs

● 2015-06-05 10:02:32
○ 2015-10-19 19:51:10
○ 2026-08-11 17:15:12

●MXmail.sentryis.com2015-06-05 → 2026-08-11 · 2 obs

● 2015-06-05 10:02:32
● 2026-08-11 17:15:12

●MXmail2.sentryis.com2026-03-19 → 2026-08-11 · 3 obs

○ 2015-06-05 10:02:32
● 2026-03-19 20:45:06
● 2026-08-11 17:15:12

●A204.239.183.342026-03-19 → 2026-08-11 · 2 obs

● 2026-03-19 20:45:06
● 2026-08-11 17:15:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sentryis.com	dns1.srsplus.com, dns2.srsplus.com	2 records

✅ Authoritative Response

Server:162.159.27.248

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sentryis.com (unsigned zone)

⏱️ Timing

Total: 208ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.239.183.34`
NS	4	`dns041.b.register.com, dns177.d.register.com...`
MX	2	`mail2.sentryis.com (pri: 20), mail.sentryis.com (pri: 10)`
TXT	2	`google-site-verification=gu8Iy6U9B4U1dAl, v=spf1 a mx -all`
SOA	1	`dns026.a.register.com root.register.com`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

sentryis.com sits above samcodns.sentryis.com, mail2.sentryis.com and mail.sentryis.com in the domain hierarchy.

IP Addresses

sentryis.com resolves to one IP address: 204.239.183.34.

mail.sentryis.com, mail2.esamco.com, mail2.pmhansen.com and two other host names share IP numbers with sentryis.com.

Name Servers

sentryis.com carries NS records listing 6 name servers — dns1.srsplus.com, dns2.srsplus.com, dns026.a.register.com and 3 others.

There is at least partial name server overlap between sentryis.com and other domains — jfed.net, nemansolutions.com, chroniccommons.org and two more among them.

These name servers regularly appear alongside dns1.register.com, dns2.register.com, dns177.d.register.com and 7 other name servers in NS record sets.

Hosts with just one IP address:

dns1.srsplus.com resolves to the IP address 162.159.27.248.

dns2.srsplus.com resolves to the IP address 162.159.26.197.

dns026.a.register.com resolves to the IP address 216.21.231.26.

dns041.b.register.com resolves to the IP address 216.21.232.41.

dns023.c.register.com resolves to the IP address 216.21.235.23.

dns177.d.register.com resolves to the IP address 216.21.236.177.

Mail Servers

Mail for sentryis.com is handled by two mail servers — mail2.sentryis.com and mail.sentryis.com.

Each of mail2.sentryis.com and mail.sentryis.com points to exactly one IP address: 204.239.183.34.

mail2.sentryis.com and mail.sentryis.com each have 204.239.183.34 IP addresses.