`sentrymetric.com`

DNSSEC	⚠️ Not signed
A	136.243.102.227^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
		PTR	`www41.flk1.host-h.net`
NS	`ns1.host-h.net` ⭐
		A	129.232.248.30^{🇿🇦 xneelo129.232.248.0/24 AnyCast DNS}
			PTR	`ns1.host-h.net`
NS	`ns1.dns-h.com`
		A	129.232.248.31^{🇿🇦 xneelo129.232.248.0/24 AnyCast DNS}
			PTR	`ns1.dns-h.com`
NS	`ns2.dns-h.com`
		A	129.232.248.41^{🇿🇦 xneelo129.232.248.0/24 AnyCast DNS}
			PTR	`ns2.dns-h.com`
NS	`ns2.host-h.net`
		A	129.232.248.40^{🇿🇦 xneelo129.232.248.0/24 AnyCast DNS}
			PTR	`ns2.host-h.net`
MX	`mail.sentrymetric.com` ⭐
		A	136.243.102.227^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
			PTR	`www41.flk1.host-h.net`
TXT	`v=spf1 mx a include:spf.host-h.net ?all`
SOA	`ns1.host-h.net`postmaster@your-server.co.za 2022-09-22 #3

`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=1771291435

Subdomains

mail.sentrymetric.com

Same first word

sentrymetric.com

DNS History

7 records (6 active, 1 former)

●NSns1.dns-h.com2019-12-15 → 2026-03-23 · 2 obs

● 2019-12-15 07:20:36
● 2026-03-23 18:12:46

●NSns1.host-h.net2019-12-15 → 2026-03-23 · 2 obs

● 2019-12-15 07:20:36
● 2026-03-23 18:12:46

●NSns2.dns-h.com2019-12-15 → 2026-03-23 · 2 obs

● 2019-12-15 07:20:36
● 2026-03-23 18:12:46

●NSns2.host-h.net2019-12-15 → 2026-03-23 · 2 obs

● 2019-12-15 07:20:36
● 2026-03-23 18:12:46

●MXmail.sentrymetric.com2019-12-15 → 2026-03-23 · 2 obs

● 2019-12-15 07:20:36
● 2026-03-23 18:12:46

●A136.243.102.2272026-03-19 → 2026-03-23 · 3 obs

○ 2019-12-15 07:20:36
● 2026-03-19 11:17:40
● 2026-03-23 18:12:46

○A41.203.18.1772019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 07:20:36
○ 2026-03-19 11:17:40
○ 2026-03-23 18:12:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net...	-
sentrymetric.com	ns1.host-h.net, ns2.host-h.net, ns1.dns-h.com, ns2.dns-h.com	2 records

✅ Authoritative Response

Server:129.232.248.41

NS records: ns1.host-h.net, ns2.host-h.net, ns1.dns-h.com, ns2.dns-h.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sentrymetric.com (unsigned zone)

⏱️ Timing

Total: 1391ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.243.102.227`
NS	4	`ns1.host-h.net, ns2.host-h.net...`
MX	1	`mail.sentrymetric.com (pri: 10)`
TXT	1	`v=spf1 mx a include:spf.host-h.net ?all`
SOA	1	`ns1.host-h.net postmaster.your-server.co`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

sentrymetric.com is a parent of mail.sentrymetric.com.

IP Addresses

sentrymetric.com points to a single IP address: 136.243.102.227.

Other host names such as mail.grahampatrick.com, grahampatrick.com, mail.divorceonline.co.za, www.stfrancistoday.com and mail.mroliepr.com share IP numbers with sentrymetric.com.

Name Servers

sentrymetric.com is delegated to four name servers: ns1.dns-h.com, ns2.dns-h.com, ns1.host-h.net and ns2.host-h.net.

At least part of the name servers for sentrymetric.com are shared with other domains, for instance edot.co, mltcorp.co.za, catvillage.org.za, jsdinteriors.com and greatsavannah.net.

These name servers are commonly used alongside the name servers ns1a.your-server.co.za.

Host names with one IP: ns1.dns-h.com points to 129.232.248.31; ns2.dns-h.com points to 129.232.248.41; ns1.host-h.net points to 129.232.248.30; ns2.host-h.net points to 129.232.248.40.

Mail Servers

The mail server for sentrymetric.com is mail.sentrymetric.com.

Host mail.sentrymetric.com points to IP 136.243.102.227.

sentrymetric.com - robtex.com