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^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 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^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 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=1781588895

Same first word

certpool.com

Similar names

DNS History

18 records (7 active, 11 former)

●NSns-1116.awsdns-11.org2026-02-24 → 2026-06-16 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-06-16 06:14:14

●NSns-122.awsdns-15.com2026-02-24 → 2026-06-16 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-06-16 06:14:14

●NSns-1553.awsdns-02.co.uk2026-02-24 → 2026-06-16 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-06-16 06:14:14

●NSns-870.awsdns-44.net2026-02-24 → 2026-06-16 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-06-16 06:14:14

○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
○ 2026-06-16 06:14:14

○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
○ 2026-06-16 06:14:14

○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
○ 2026-06-16 06:14:14

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

● 2008-03-09 03:06:10
○ 2015-07-17 11:00:12
○ 2026-06-16 06:14:14

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

● 2008-03-09 03:06:10
○ 2015-07-17 11:00:12
○ 2026-06-16 06:14:14

●MXin1-smtp.messagingengine.com2026-02-24 → 2026-06-16 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-06-16 06:14:14

●MXin2-smtp.messagingengine.com2026-02-24 → 2026-06-16 · 3 obs

○ 2017-04-11 08:57:16
● 2026-02-24 02:36:24
● 2026-06-16 06:14:14

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

● 2008-03-09 03:06:10
○ 2015-07-17 11:00:12
○ 2026-06-16 06:14:14

○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
○ 2026-06-16 06:14:14

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

● 2008-03-09 03:06:10
○ 2015-07-17 11:00:12
○ 2026-06-16 06:14:14

○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
○ 2026-06-16 06:14:14

●A50.116.19.1332026-05-17 → 2026-06-16 · 3 obs

○ 2026-04-01 07:59:28
● 2026-05-17 15:42:06
● 2026-06-16 06:14:14

○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
○ 2026-06-16 06:14:14

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

● 2008-03-09 03:06:10
○ 2015-07-17 11:00:12
○ 2026-06-16 06:14:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, b.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:205.251.198.17

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: 393ms | 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.

Other host names, among them 50-116-19-133.ip.linodeusercontent.com and e-flamingo.jp, have IP numbers in common 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.

It is common for these name servers to be used in conjunction with the name servers ns-756.awsdns-30.net, ns-324.awsdns-40.com and ns-1641.awsdns-13.co.uk.

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 tmxi.net, (0x706f726e)av.net, passiondig.com 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.