contcerta.com - dns.ninja

`contcerta.com`

DNSSEC	⚠️ Not signed
A	151.101.1.91^{🇺🇸 Fastly151.101.0.0/22}
A	151.101.65.91^{🇺🇸 Fastly151.101.64.0/22}
A	151.101.129.91^{🇺🇸 Fastly151.101.128.0/22}
A	151.101.193.91^{🇺🇸 Fastly151.101.192.0/22}
NS	`ns1.cloudez.io` ⭐
		A	2600:14c0:6::2^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-2.akashield.net`
		A	92.123.94.2^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-2.akashield.net`
NS	`ns2.cloudez.io`
		A	2600:14c0:6::3^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-3.akashield.net`
		A	92.123.94.3^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-3.akashield.net`
NS	`ns3.cloudez.io`
		A	2600:14c0:7::3^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-3.akashield.net`
		A	92.123.95.3^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-3.akashield.net`
NS	`ns4.cloudez.io` ⚠️ Not in parent delegation
		A	2600:14c0:7::4^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-4.akashield.net`
		A	92.123.95.4^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-4.akashield.net`
NS	`ns5.cloudez.io` ⚠️ Not in parent delegation
		A	2600:14c0:7::2^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-2.akashield.net`
		A	92.123.95.2^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-2.akashield.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=vBGAhOphNLGfMBuM3Ss2DBEcqzH8vvQoayuXGoelv5Q`
TXT	`v=spf1 ip4:45.33.121.161 ip6:2600:3c00::f03c:91ff:fef8:2ebc include:_spf.clou...`
SOA	`ns1.cloudez.io`root@cloudez.io serial=1780023923

`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=1786554789

Same first word

contcerta.com

Similar names

DNS History

22 records (14 active, 8 former)

●NSns1.cloudez.io2026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

○NSns1.locaweb.com.br2018-07-05 → 2018-07-05 · 3 obs

● 2018-07-05 19:02:32
○ 2026-04-08 07:22:42
○ 2026-08-12 17:31:56

●NSns2.cloudez.io2026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

○NSns2.locaweb.com.br2018-07-05 → 2018-07-05 · 3 obs

● 2018-07-05 19:02:32
○ 2026-04-08 07:22:42
○ 2026-08-12 17:31:56

●NSns3.cloudez.io2026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

○NSns3.locaweb.com.br2018-07-05 → 2018-07-05 · 3 obs

● 2018-07-05 19:02:32
○ 2026-04-08 07:22:42
○ 2026-08-12 17:31:56

●NSns4.cloudez.io2026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

●NSns5.cloudez.io2026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

●MXalt1.aspmx.l.google.com2026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

●MXalt2.aspmx.l.google.com2026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

●MXalt3.aspmx.l.google.com2026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

●MXalt4.aspmx.l.google.com2026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

●MXaspmx.l.google.com2026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

○MXmx.a.locaweb.com.br2018-07-05 → 2018-07-05 · 3 obs

● 2018-07-05 19:02:32
○ 2026-04-08 07:22:42
○ 2026-08-12 17:31:56

○MXmx.b.locaweb.com.br2018-07-05 → 2018-07-05 · 3 obs

● 2018-07-05 19:02:32
○ 2026-04-08 07:22:42
○ 2026-08-12 17:31:56

○MXmx.core.locaweb.com.br2018-07-05 → 2018-07-05 · 3 obs

● 2018-07-05 19:02:32
○ 2026-04-08 07:22:42
○ 2026-08-12 17:31:56

○MXmx.jk.locaweb.com.br2018-07-05 → 2018-07-05 · 3 obs

● 2018-07-05 19:02:32
○ 2026-04-08 07:22:42
○ 2026-08-12 17:31:56

●A151.101.1.912026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

●A151.101.129.912026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

●A151.101.193.912026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

●A151.101.65.912026-04-08 → 2026-08-12 · 3 obs

○ 2018-07-05 19:02:32
● 2026-04-08 07:22:42
● 2026-08-12 17:31:56

○A186.202.153.872018-07-05 → 2018-07-05 · 3 obs

● 2018-07-05 19:02:32
○ 2026-04-08 07:22:42
○ 2026-08-12 17:31:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net...	-
contcerta.com	ns1.cloudez.io, ns3.cloudez.io, ns2.cloudez.io	-

✅ Authoritative Response

Server:92.123.94.3

NS records: ns1.cloudez.io, ns3.cloudez.io, ns2.cloudez.io

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contcerta.com (unsigned zone)

⏱️ Timing

Total: 617ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`151.101.1.91, 151.101.193.91...`
NS	5	`ns3.cloudez.io, ns2.cloudez.io...`
MX	5	`alt4.aspmx.l.google.com (pri: 10), aspmx.l.google.com (pri: 1)...`
TXT	2	`google-site-verification=vBGAhOphNLGfMBu, v=spf1 ip4:45.33.121.161 ip6:2600:3c00::`
SOA	1	`ns1.cloudez.io root.cloudez.io`

Analysis

IP Addresses

contcerta.com points to the four IP addresses 151.101.1.91, 151.101.65.91, 151.101.129.91 and 151.101.193.91.

Among the host names that share IP numbers with contcerta.com are qa.linktr.ee, emiliomerone.bandcamp.com, anonominious.bandcamp.com and two others.

Name Servers

The authoritative name servers for contcerta.com are ns1.cloudez.io, ns2.cloudez.io, ns3.cloudez.io and two others.

The name servers of contcerta.com overlap at least partially with those of other domains — among them safei.com.br, ciranda.inf.br, cubeweb.com.br and two more.

The name servers ns4.cloudez.io, ns5.cloudez.io and ns1.configr.com are commonly seen alongside these name servers.

Hosts with two IP numbers each:

The A records for ns1.cloudez.io return 92.123.94.2 and 2600:14c0:6::2.

The A records for ns2.cloudez.io return 92.123.94.3 and 2600:14c0:6::3.

The A records for ns3.cloudez.io return 92.123.95.3 and 2600:14c0:7::3.

The A records for ns4.cloudez.io return 92.123.95.4 and 2600:14c0:7::4.

The A records for ns5.cloudez.io return 92.123.95.2 and 2600:14c0:7::2.

Mail Servers

contcerta.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

contcerta.com shares at least some of its mail servers with other domains — for example wttj.co, voss.nu, taskmapper.com and two more.

It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.

Hosts with two IP numbers each:

The A records for aspmx.l.google.com return 142.251.163.26 and 2607:f8b0:4004:c08::1b.

The A records for alt1.aspmx.l.google.com return 192.178.234.26 and 2800:3f0:4003:c14::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1a.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.