`server2.chq.edu.mx`

DNSSEC	⚠️ Not signed
A	212.28.185.136^{🇮🇹 CONTABO-USA212.28.184.0/21}
		PTR	`server2.chq.edu.mx`
NS	`ns1.contabo.net` ⭐ ⚠️ Not in parent delegation
		A	2a02:c207:ff00:1200::1^{🇩🇪 CONTABO2a02:c207::/32}
		A	5.180.150.13^{🇺🇸 CONTABO5.180.150.0/24}
			PTR	`ns1.contabo.net`
NS	`ns2.contabo.net` ⚠️ Not in parent delegation
		A	2a02:c202:5028:1200::1^{🇩🇪 CONTABO2a02:c202::/32}
		A	195.179.224.10^{🇩🇪 CONTABO195.179.224.0/21}
			PTR	`ns2.contabo.net`
NS	`ns3.contabo.net` ⚠️ Not in parent delegation
		A	2605:a140:5028:1200::1^{🇺🇸 CONTABO-USA2605:a140::/32 Contabo Inc. 710 N Tucker Blvd. STE 420 St. Louis, MO 63101 US}
		A	209.126.15.15^{🇺🇸 CONTABO-USA209.126.0.0/20 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States}
			PTR	`ns3.contabo.net`
MX	`server2.chq.edu.mx` ⭐
		A	212.28.185.136^{🇮🇹 CONTABO-USA212.28.184.0/21}
			PTR	`server2.chq.edu.mx`
TXT	`v=spf1 +mx +a +ip4:212.28.185.136 ~all`
SOA	`ns1.contabo.net`poderw@gmx.com 2026-06-15 #0

`chq.edu.mx`

	DNSSEC	⚠️ Not signed
	A	212.28.185.136^{🇮🇹 CONTABO-USA212.28.184.0/21}
	NS	`ns1.chq.edu.mx` ⭐
	NS	`ns2.chq.edu.mx` ⚠️ Not in parent delegation
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁴⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹⁰⁾
	TXT	`MS=ms60169628`
	TXT	`google-site-verification=t6ZIXbIIONZmHJX8xK290Kmkkykp07EPpf2vKskMRA8`
	TXT	`v=spf1 ip4:212.28.185.136 ip4:144.126.140.152 ip4:209.145.58.45 +a +mx +ip4:2...`
	SOA	`ns1.chq.edu.mx`poderw@gmx.com 2026-08-04 #1

PTR for

136.185.28.212.in-addr.arpa

MX for

server2.chq.edu.mx

Subdomains

www.server2.chq.edu.mx

Same first word

Similar names

2server.ru

2server.top

2server.org

2server.com

DNS History

5 records (5 active, 0 former)

●NSns1.contabo.net2026-07-16 → 2026-08-11 · 2 obs

● 2026-07-16 22:19:58
● 2026-08-11 18:05:32

●NSns2.contabo.net2026-07-16 → 2026-08-11 · 2 obs

● 2026-07-16 22:19:58
● 2026-08-11 18:05:32

●NSns3.contabo.net2026-07-16 → 2026-08-11 · 2 obs

● 2026-07-16 22:19:58
● 2026-08-11 18:05:32

●MXserver2.chq.edu.mx2026-07-16 → 2026-08-11 · 2 obs

● 2026-07-16 22:19:58
● 2026-08-11 18:05:32

●A212.28.185.1362026-07-16 → 2026-08-11 · 2 obs

● 2026-07-16 22:19:58
● 2026-08-11 18:05:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mx	c.mx-ns.mx, i.mx-ns.mx, o.mx-ns.mx, e.mx-ns.mx...	-
chq.edu.mx	ns1.chq.edu.mx	1 record

✅ Authoritative Response

Server:212.28.185.136

NS records: ns1.chq.edu.mx

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chq.edu.mx (unsigned zone)

⏱️ Timing

Total: 321ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.28.185.136`
NS	3	`ns3.contabo.net, ns2.contabo.net...`
MX	1	`server2.chq.edu.mx (pri: 0)`
TXT	1	`v=spf1 +mx +a +ip4:212.28.185.136 ~all`
SOA	1	`ns1.contabo.net poderw.gmx.com`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns1.chq.edu.mx)

Analysis

Hierarchy

www.server2.chq.edu.mx is delegated beneath server2.chq.edu.mx.

Mail Server Role

The MX record for server2.chq.edu.mx points back to server2.chq.edu.mx — it is its own mail server.

IP Addresses

server2.chq.edu.mx directs to one IP number, which is 212.28.185.136.

Among the host names that share IP numbers with server2.chq.edu.mx are ns1.chq.edu.mx, colegioholandesqro.com, ns2.chq.edu.mx and two others.

Name Servers

The authoritative name servers for server2.chq.edu.mx are ns1.contabo.net, ns2.contabo.net and ns3.contabo.net — three in total.

There is at least partial name server overlap between server2.chq.edu.mx and other domains — draconis-online-build.com, vismotorcorporation.com, tv3.co.uk and two more among them.

ns1.contabo.net, ns2.contabo.net and ns3.contabo.net all resolve to exactly two IP numbers apiece: ns1.contabo.net → 5.180.150.13 and 2a02:c207:ff00:1200::1; ns2.contabo.net → 195.179.224.10 and 2a02:c202:5028:1200::1; ns3.contabo.net → 209.126.15.15 and 2605:a140:5028:1200::1.

Mail Servers

The MX record for server2.chq.edu.mx points to a single mail server: server2.chq.edu.mx.

server2.chq.edu.mx directs to just one IP number, 212.28.185.136.

server2.chq.edu.mx - robtex.com