cu3o.mx - dns.ninja

`cu3o.mx`

DNSSEC	⚠️ Not signed
A	74.208.236.14^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
		PTR	`74-208-236-14.elastic-ssl.ui-r.com`
NS	`ns-mx.1and1-dns.mx` ⭐
		A	2001:8d8:fe:53:0:d9a0:5009:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-mx.1and1-dns.mx`
		A	217.160.80.9^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-mx.1and1-dns.mx`
NS	`ns-mx.1and1-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5109:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-mx.1and1-dns.biz`
		A	217.160.81.9^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-mx.1and1-dns.biz`
NS	`ns-mx.1and1-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5209:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-mx.1and1-dns.com`
		A	217.160.82.9^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-mx.1and1-dns.com`
NS	`ns-mx.1and1-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5309:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-mx.1and1-dns.org`
		A	217.160.83.9^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-mx.1and1-dns.org`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
SOA	`ns-mx.1and1-dns.mx`hostmaster@1and1.com 2016-08-19 #5

`mx`

	DNSSEC	🔒 Signed (DS record present)
	NS	`m.mx-ns.mx` ⭐
	NS	`c.mx-ns.mx`
	NS	`e.mx-ns.mx`
	NS	`i.mx-ns.mx`
	NS	`o.mx-ns.mx`
	NS	`x.mx-ns.mx`
	TXT	`v=spf1 -all`
	SOA	`m.mx-ns.mx`hostmaster@nic.mx serial=1781681152

Same first word

cu3o.mx

Similar names

3cuo.com

co3u.ru

DNS History

16 records (9 active, 7 former)

○NSdns1.xpress.com.mx2015-07-23 → 2015-11-29 · 4 obs

● 2015-07-23 10:15:08
● 2015-11-29 06:09:08
○ 2016-03-03 17:47:58
○ 2026-06-17 07:43:18

○NSdns2.xpress.com.mx2015-07-23 → 2015-11-29 · 4 obs

● 2015-07-23 10:15:08
● 2015-11-29 06:09:08
○ 2016-03-03 17:47:58
○ 2026-06-17 07:43:18

●NSns-mx.1and1-dns.biz2016-03-03 → 2026-06-17 · 3 obs

○ 2015-11-29 06:09:08
● 2016-03-03 17:47:58
● 2026-06-17 07:43:18

●NSns-mx.1and1-dns.com2016-03-03 → 2026-06-17 · 3 obs

○ 2015-11-29 06:09:08
● 2016-03-03 17:47:58
● 2026-06-17 07:43:18

●NSns-mx.1and1-dns.mx2016-03-03 → 2026-06-17 · 3 obs

○ 2015-11-29 06:09:08
● 2016-03-03 17:47:58
● 2026-06-17 07:43:18

●NSns-mx.1and1-dns.org2016-03-03 → 2026-06-17 · 3 obs

○ 2015-11-29 06:09:08
● 2016-03-03 17:47:58
● 2026-06-17 07:43:18

●MXalt1.aspmx.l.google.com2015-07-23 → 2026-06-17 · 2 obs

● 2015-07-23 10:15:08
● 2026-06-17 07:43:18

●MXalt2.aspmx.l.google.com2015-07-23 → 2026-06-17 · 2 obs

● 2015-07-23 10:15:08
● 2026-06-17 07:43:18

○MXalt3.aspmx.l.google.com2015-07-23 → 2015-11-29 · 4 obs

● 2015-07-23 10:15:08
● 2015-11-29 06:09:08
○ 2016-03-03 17:47:58
○ 2026-06-17 07:43:18

○MXalt4.aspmx.l.google.com2015-07-23 → 2015-11-29 · 4 obs

● 2015-07-23 10:15:08
● 2015-11-29 06:09:08
○ 2016-03-03 17:47:58
○ 2026-06-17 07:43:18

●MXaspmx.l.google.com2015-07-23 → 2026-06-17 · 2 obs

● 2015-07-23 10:15:08
● 2026-06-17 07:43:18

●MXaspmx2.googlemail.com2016-03-03 → 2026-06-17 · 3 obs

○ 2015-11-29 06:09:08
● 2016-03-03 17:47:58
● 2026-06-17 07:43:18

○A201.175.21.2492015-07-23 → 2015-11-29 · 4 obs

● 2015-07-23 10:15:08
● 2015-11-29 06:09:08
○ 2016-03-03 17:47:58
○ 2026-06-17 07:43:18

○A74.208.215.1012016-06-22 → 2018-10-03 · 5 obs

○ 2016-03-03 17:47:58
● 2016-06-22 10:33:18
● 2018-10-03 23:24:00
○ 2026-04-17 01:04:26
○ 2026-06-17 07:43:18

●A74.208.236.142026-04-17 → 2026-06-17 · 3 obs

○ 2018-10-03 23:24:00
● 2026-04-17 01:04:26
● 2026-06-17 07:43:18

○A74.208.241.752016-03-03 → 2016-03-03 · 4 obs

○ 2015-11-29 06:09:08
● 2016-03-03 17:47:58
○ 2016-06-22 10:33:18
○ 2026-06-17 07:43:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mx	c.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx...	-
cu3o.mx	ns-mx.1and1-dns.mx, ns-mx.1and1-dns.biz, ns-mx.1and1-dns.com, ns-mx.1and1-dns.org	-

✅ Authoritative Response

Server:217.160.82.9

NS records: ns-mx.1and1-dns.mx, ns-mx.1and1-dns.biz, ns-mx.1and1-dns.com, ns-mx.1and1-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu3o.mx (unsigned zone)

⏱️ Timing

Total: 635ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.14`
NS	4	`ns-mx.1and1-dns.org, ns-mx.1and1-dns.biz...`
MX	4	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
SOA	1	`ns-mx.1and1-dns.mx hostmaster.1and1.com`

Analysis

IP Addresses

cu3o.mx resolves to just one IP address, 74.208.236.14.

Two other host names, along with tcsdata.com, romeworks.com and topgs.org, also share IP numbers with cu3o.mx.

Name Servers

The NS records for cu3o.mx point to four name servers: ns-mx.1and1-dns.biz, ns-mx.1and1-dns.com, ns-mx.1and1-dns.mx and ns-mx.1and1-dns.org.

cu3o.mx has at least partial name server overlap with other domains, such as hotelpuertadelsol.com.mx, itrades.com.mx, staffinformatico.com.mx and two others.

It is common to find these name servers paired with the name servers ns1045.ui-dns.com, ns1045.ui-dns.biz, ns1045.ui-dns.de and ns1045.ui-dns.org.

ns-mx.1and1-dns.biz, ns-mx.1and1-dns.com, ns-mx.1and1-dns.mx and ns-mx.1and1-dns.org all point to exactly two IP numbers each: ns-mx.1and1-dns.biz → 217.160.81.9 and 2001:8d8:fe:53:0:d9a0:5109:100; ns-mx.1and1-dns.com → 217.160.82.9 and 2001:8d8:fe:53:0:d9a0:5209:100; ns-mx.1and1-dns.mx → 217.160.80.9 and 2001:8d8:fe:53:0:d9a0:5009:100; ns-mx.1and1-dns.org → 217.160.83.9 and 2001:8d8:fe:53:0:d9a0:5309:100.

Mail Servers

cu3o.mx has four mail servers: aspmx2.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

There is at least a partial MX overlap between cu3o.mx and other domains, including ns500768.ns500698.ns500698.ns500759.ns500698.ns500698.ns500735.ns500698.ns500698.ns500698.ns500698.ns500698.ns500576.ns500686.ns500652.ns500652.trackreceptor.com, ns500841.ns500794.ns500795.ns500821.ns500794.ns500821.ns500821.ns500821.ns500795.ns500795.lustypartnersfinder.com, ns500768.ns500758.ns500758.ns500759.ns500698.ns500736.ns500698.ns500698.ns500576.ns500708.ns500576.ns500652.ns500576.ns500619.tracksymphony.com and two others.

These mail servers frequently co-occur with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx3.googlemail.com and two others.

The hostnames aspmx2.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com each resolve to a pair of IP numbers — aspmx2.googlemail.com to 108.177.123.27 and 2800:3f0:4003:c0f::1b; aspmx.l.google.com to 172.253.122.27 and 2607:f8b0:4004:c19::1a; alt1.aspmx.l.google.com to 108.177.123.27 and 2800:3f0:4003:c0f::1a; alt2.aspmx.l.google.com to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 108.177.123.27 IP addresses.