`certenza.com`

DNSSEC	⚠️ Not signed
A	216.150.1.1^{🇨🇦 Amazon216.150.1.0/24 EC2 Prefix}
NS	`ns-522.awsdns-01.net` ⭐
		A	2600:9000:5302:a00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-522.awsdns-01.net`
		A	205.251.194.10^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-522.awsdns-01.net`
NS	`ns-1201.awsdns-22.org`
		A	2600:9000:5304:b100::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1201.awsdns-22.org`
		A	205.251.196.177^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1201.awsdns-22.org`
NS	`ns-1582.awsdns-05.co.uk`
		A	2600:9000:5306:2e00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1582.awsdns-05.co.uk`
		A	205.251.198.46^{🇺🇸 Amazon205.251.198.0/24 prefix}
NS	`ns-414.awsdns-51.com`
		A	2600:9000:5301:9e00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-414.awsdns-51.com`
		A	205.251.193.158^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-414.awsdns-51.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.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::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::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`facebook-domain-verification=ksa5rewt4r7zazst0c22y6xt2kugim`
TXT	`v=spf1 include:_spf.google.com include:amazonses.com ~all`
SOA	`ns-522.awsdns-01.net`awsdns-hostmaster@amazon.com serial=1

`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=1784641442

Same first word

certenza.com

Similar names

DNS History

14 records (10 active, 4 former)

●NSns-1201.awsdns-22.org2026-07-02 → 2026-07-21 · 3 obs

○ 2017-11-08 10:35:18
● 2026-07-02 07:05:54
● 2026-07-21 13:49:02

●NSns-1582.awsdns-05.co.uk2026-07-02 → 2026-07-21 · 3 obs

○ 2017-11-08 10:35:18
● 2026-07-02 07:05:54
● 2026-07-21 13:49:02

●NSns-414.awsdns-51.com2026-07-02 → 2026-07-21 · 3 obs

○ 2017-11-08 10:35:18
● 2026-07-02 07:05:54
● 2026-07-21 13:49:02

●NSns-522.awsdns-01.net2026-07-02 → 2026-07-21 · 3 obs

○ 2017-11-08 10:35:18
● 2026-07-02 07:05:54
● 2026-07-21 13:49:02

○NSns1.dotster.com2016-12-20 → 2017-11-08 · 4 obs

● 2016-12-20 11:11:04
● 2017-11-08 10:35:18
○ 2026-07-02 07:05:54
○ 2026-07-21 13:49:02

○NSns2.dotster.com2016-12-20 → 2017-11-08 · 4 obs

● 2016-12-20 11:11:04
● 2017-11-08 10:35:18
○ 2026-07-02 07:05:54
○ 2026-07-21 13:49:02

●MXalt1.aspmx.l.google.com2026-07-02 → 2026-07-21 · 3 obs

○ 2017-11-08 10:35:18
● 2026-07-02 07:05:54
● 2026-07-21 13:49:02

●MXalt2.aspmx.l.google.com2026-07-02 → 2026-07-21 · 3 obs

○ 2017-11-08 10:35:18
● 2026-07-02 07:05:54
● 2026-07-21 13:49:02

●MXalt3.aspmx.l.google.com2026-07-02 → 2026-07-21 · 3 obs

○ 2017-11-08 10:35:18
● 2026-07-02 07:05:54
● 2026-07-21 13:49:02

●MXalt4.aspmx.l.google.com2026-07-02 → 2026-07-21 · 3 obs

○ 2017-11-08 10:35:18
● 2026-07-02 07:05:54
● 2026-07-21 13:49:02

●MXaspmx.l.google.com2026-07-02 → 2026-07-21 · 3 obs

○ 2017-11-08 10:35:18
● 2026-07-02 07:05:54
● 2026-07-21 13:49:02

○MXmx.certenza.com2016-12-20 → 2017-11-08 · 4 obs

● 2016-12-20 11:11:04
● 2017-11-08 10:35:18
○ 2026-07-02 07:05:54
○ 2026-07-21 13:49:02

●A216.150.1.12026-07-02 → 2026-07-21 · 3 obs

○ 2017-11-08 10:35:18
● 2026-07-02 07:05:54
● 2026-07-21 13:49:02

○A66.96.161.1612016-12-20 → 2017-11-08 · 4 obs

● 2016-12-20 11:11:04
● 2017-11-08 10:35:18
○ 2026-07-02 07:05:54
○ 2026-07-21 13:49:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
certenza.com	ns-522.awsdns-01.net, ns-414.awsdns-51.com, ns-1582.awsdns-05.co.uk, ns-1201.awsdns-22.org	2 records

✅ Authoritative Response

Server:205.251.198.46

NS records: ns-522.awsdns-01.net, ns-414.awsdns-51.com, ns-1582.awsdns-05.co.uk, ns-1201.awsdns-22.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certenza.com (unsigned zone)

⏱️ Timing

Total: 437ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.150.1.1`
NS	4	`ns-1201.awsdns-22.org, ns-1582.awsdns-05.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`facebook-domain-verification=ksa5rewt4r7, v=spf1 include:_spf.google.com include:a`
SOA	1	`ns-522.awsdns-01.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-414.awsdns-51.com, ns-414.awsdns-51.com)

Analysis

IP Addresses

certenza.com resolves to just one IP address, 216.150.1.1.

Two other host names, along with intergam.com, nwracks.com and louisgarcia.com, also share IP numbers with certenza.com.

Name Servers

The NS records for certenza.com point to four name servers: ns-414.awsdns-51.com, ns-522.awsdns-01.net, ns-1201.awsdns-22.org and ns-1582.awsdns-05.co.uk.

certenza.com has at least partial name server overlap with other domains, such as lijsterdocentenservice.nl, holeinonecloud.com, syngentaretail.ca and two others.

ns-414.awsdns-51.com, ns-522.awsdns-01.net, ns-1201.awsdns-22.org and ns-1582.awsdns-05.co.uk all point to exactly two IP numbers each: ns-414.awsdns-51.com → 205.251.193.158 and 2600:9000:5301:9e00::1; ns-522.awsdns-01.net → 205.251.194.10 and 2600:9000:5302:a00::1; ns-1201.awsdns-22.org → 205.251.196.177 and 2600:9000:5304:b100::1; ns-1582.awsdns-05.co.uk → 205.251.198.46 and 2600:9000:5306:2e00::1.

Mail Servers

certenza.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between certenza.com and other domains, including keeprcollective.com, authegrity.com, mec-orth.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com has two IP addresses: 142.250.31.26 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.