certpool.com - dns.ninja

`certpool.com`

DNSSEC	⚠️ Not signed
A	50.116.19.133^{🇺🇸 AKAMAI-LINODE-AP50.116.16.0/20 Akamai Technologies}
		PTR	`50-116-19-133.ip.linodeusercontent.com`
NS	`ns-1553.awsdns-02.co.uk` ⭐
		A	2600:9000:5306:1100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1553.awsdns-02.co.uk`
		A	205.251.198.17^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1553.awsdns-02.co.uk`
NS	`ns-1116.awsdns-11.org`
		A	2600:9000:5304:5c00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1116.awsdns-11.org`
		A	205.251.196.92^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1116.awsdns-11.org`
NS	`ns-122.awsdns-15.com`
		A	2600:9000:5300:7a00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-122.awsdns-15.com`
		A	205.251.192.122^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-122.awsdns-15.com`
NS	`ns-870.awsdns-44.net`
		A	2600:9000:5303:6600::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-870.awsdns-44.net`
		A	205.251.195.102^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-870.awsdns-44.net`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`google-site-verification=EZDkwEy7WeUkqrI5wGaJDD91pXeTDkTjCwlda6PJb5Y`
TXT	`v=spf1 a mx include:spf.mtasv.net ~all`
SOA	`ns-1553.awsdns-02.co.uk`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=1785936534

Same first word

certpool.com

Similar names

DNS History

18 records (7 active, 11 former)

●NSns-1116.awsdns-11.org2026-02-24 → 2026-08-05 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-08-05 13:36:34

●NSns-122.awsdns-15.com2026-02-24 → 2026-08-05 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-08-05 13:36:34

●NSns-1553.awsdns-02.co.uk2026-02-24 → 2026-08-05 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-08-05 13:36:34

●NSns-870.awsdns-44.net2026-02-24 → 2026-08-05 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-08-05 13:36:34

○NSns1.slicehost.net2015-07-17 → 2017-04-11 · 5 obs

○ 2008-03-09 03:06:10
● 2015-07-17 11:00:12
● 2017-04-11 08:57:16
○ 2026-02-24 02:36:24
○ 2026-08-05 13:36:34

○NSns2.slicehost.net2015-07-17 → 2017-04-11 · 5 obs

○ 2008-03-09 03:06:10
● 2015-07-17 11:00:12
● 2017-04-11 08:57:16
○ 2026-02-24 02:36:24
○ 2026-08-05 13:36:34

○NSns3.slicehost.net2015-07-17 → 2017-04-11 · 5 obs

○ 2008-03-09 03:06:10
● 2015-07-17 11:00:12
● 2017-04-11 08:57:16
○ 2026-02-24 02:36:24
○ 2026-08-05 13:36:34

○NSns45.domaincontrol.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 03:06:10
○ 2015-07-17 11:00:12
○ 2026-08-05 13:36:34

○NSns46.domaincontrol.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 03:06:10
○ 2015-07-17 11:00:12
○ 2026-08-05 13:36:34

●MXin1-smtp.messagingengine.com2026-02-24 → 2026-08-05 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-08-05 13:36:34

●MXin2-smtp.messagingengine.com2026-02-24 → 2026-08-05 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-08-05 13:36:34

○MXmailstore1.secureserver.net2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 03:06:10
○ 2015-07-17 11:00:12
○ 2026-08-05 13:36:34

○MXmxin.mxes.net2015-07-17 → 2017-04-11 · 5 obs

○ 2008-03-09 03:06:10
● 2015-07-17 11:00:12
● 2017-04-11 08:57:16
○ 2026-02-24 02:36:24
○ 2026-08-05 13:36:34

○MXsmtp.secureserver.net2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 03:06:10
○ 2015-07-17 11:00:12
○ 2026-08-05 13:36:34

○A45.33.15.1242016-02-25 → 2026-04-01 · 5 obs

○ 2015-11-15 02:01:04
● 2016-02-25 22:20:52
● 2026-04-01 07:59:28
○ 2026-05-17 15:42:06
○ 2026-08-05 13:36:34

●A50.116.19.1332026-05-17 → 2026-08-05 · 3 obs

○ 2026-04-01 07:59:28
● 2026-05-17 15:42:06
● 2026-08-05 13:36:34

○A50.57.221.1952015-07-17 → 2015-11-15 · 5 obs

○ 2008-03-09 03:06:10
● 2015-07-17 11:00:12
● 2015-11-15 02:01:04
○ 2016-02-25 22:20:52
○ 2026-08-05 13:36:34

○A67.207.138.612008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 03:06:10
○ 2015-07-17 11:00:12
○ 2026-08-05 13:36:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
certpool.com	ns-122.awsdns-15.com, ns-870.awsdns-44.net, ns-1553.awsdns-02.co.uk, ns-1116.awsdns-11.org	2 records

✅ Authoritative Response

Server:205.251.195.102

NS records: ns-122.awsdns-15.com, ns-870.awsdns-44.net, ns-1553.awsdns-02.co.uk, ns-1116.awsdns-11.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certpool.com (unsigned zone)

⏱️ Timing

Total: 638ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.116.19.133`
NS	4	`ns-1116.awsdns-11.org, ns-122.awsdns-15.com...`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	2	`google-site-verification=EZDkwEy7WeUkqrI, v=spf1 a mx include:spf.mtasv.net ~all`
SOA	1	`ns-1553.awsdns-02.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-122.awsdns-15.com, ns-122.awsdns-15.com)

Analysis

IP Addresses

certpool.com resolves to just one IP address, 50.116.19.133.

The host names texasappellate.com, doncruse.com, 50-116-19-133.ip.linodeusercontent.com and e-flamingo.jp all share IP numbers with certpool.com.

Name Servers

The NS records for certpool.com point to four name servers: ns-122.awsdns-15.com, ns-870.awsdns-44.net, ns-1116.awsdns-11.org and ns-1553.awsdns-02.co.uk.

At least some of certpool.com's name servers are shared with other domains, for example mail.boston.freom.com, proxy.usergram.info, d15bbbc3wnvnmn.cloudfront.net and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-122.awsdns-15.com directs to 205.251.192.122 and 2600:9000:5300:7a00::1; ns-870.awsdns-44.net directs to 205.251.195.102 and 2600:9000:5303:6600::1; ns-1116.awsdns-11.org directs to 205.251.196.92 and 2600:9000:5304:5c00::1; ns-1553.awsdns-02.co.uk directs to 205.251.198.17 and 2600:9000:5306:1100::1.

Mail Servers

certpool.com is served by two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

Among the domains sharing a mail server setup with certpool.com are (0x706f726e)av.net, passiondig.com, cnrd.me and two others.

At least a portion of certpool.com's mail servers are shared with other domains, among them wp-tutoring.com and estrai.com.

DNS names with 8 IP addresses:

in1-smtp.messagingengine.com has IP addresses 103.168.172.216, 103.168.172.217 and 103.168.172.218, plus 5 other.

Host names that resolve to four IP numbers:

in2-smtp.messagingengine.com directs to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.