`mailzapp.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:b88d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:4bfc^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.252^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.184.141^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
NS	`amy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a65^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c065^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2065^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amy.ns.cloudflare.com`
		A	108.162.192.101^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	172.64.32.101^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	173.245.58.101^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
		A	3.211.210.226^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-211-210-226.compute-1.amazonaws.com`
		A	44.206.9.87^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-206-9-87.compute-1.amazonaws.com`
		A	44.210.166.32^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-210-166-32.compute-1.amazonaws.com`
		A	54.164.173.191^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-164-173-191.compute-1.amazonaws.com`
		A	54.197.5.236^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-5-236.compute-1.amazonaws.com`
MX	`mx.yandex.net`⁽²⁰⁾
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`google-site-verification=Wfk3sfROg4NAp8oMyE6Ze8Fpmsg_iLUTRQd0a1T9AtE`
TXT	`v=spf1 ip4:149.72.173.196 ip4:149.72.165.66 include:spf.protection.outlook.co...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.75.252, 172.67.184.141
		IPv6 hints	2606:4700:3031::ac43:b88d, 2606:4700:3034::6815:4bfc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2401276080

`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=1775997812

Subdomains

postal.mailzapp.com

Same first word

mailzapp.com

DNS History

15 records (8 active, 7 former)

●NSalex.ns.cloudflare.com2026-04-07 → 2026-04-12 · 3 obs

○ 2016-09-26 20:28:58
● 2026-04-07 19:55:20
● 2026-04-12 12:51:02

●NSamy.ns.cloudflare.com2026-04-07 → 2026-04-12 · 3 obs

○ 2016-09-26 20:28:58
● 2026-04-07 19:55:20
● 2026-04-12 12:51:02

○NSns47.domaincontrol.com2015-06-06 → 2015-12-28 · 4 obs

● 2015-06-06 16:58:18
● 2015-12-28 01:55:04
○ 2016-04-05 12:06:52
○ 2026-04-12 12:51:02

○NSns48.domaincontrol.com2015-06-06 → 2015-12-28 · 4 obs

● 2015-06-06 16:58:18
● 2015-12-28 01:55:04
○ 2016-04-05 12:06:52
○ 2026-04-12 12:51:02

○NSns73.domaincontrol.com2016-04-05 → 2016-04-05 · 4 obs

○ 2015-12-28 01:55:04
● 2016-04-05 12:06:52
○ 2016-09-26 20:28:58
○ 2026-04-12 12:51:02

○NSns74.domaincontrol.com2016-04-05 → 2016-04-05 · 4 obs

○ 2015-12-28 01:55:04
● 2016-04-05 12:06:52
○ 2016-09-26 20:28:58
○ 2026-04-12 12:51:02

●MXinbound-smtp.us-east-1.amazonaws.com2026-04-07 → 2026-04-12 · 3 obs

○ 2016-09-26 20:28:58
● 2026-04-07 19:55:20
● 2026-04-12 12:51:02

○MXmailstore1.secureserver.net2015-06-06 → 2016-04-05 · 4 obs

● 2015-06-06 16:58:18
● 2016-04-05 12:06:52
○ 2016-09-26 20:28:58
○ 2026-04-12 12:51:02

●MXmx.yandex.net2026-04-07 → 2026-04-12 · 3 obs

○ 2016-09-26 20:28:58
● 2026-04-07 19:55:20
● 2026-04-12 12:51:02

○MXsmtp.secureserver.net2015-06-06 → 2016-04-05 · 4 obs

● 2015-06-06 16:58:18
● 2016-04-05 12:06:52
○ 2016-09-26 20:28:58
○ 2026-04-12 12:51:02

●A104.21.75.2522026-04-07 → 2026-04-12 · 3 obs

○ 2016-09-26 20:28:58
● 2026-04-07 19:55:20
● 2026-04-12 12:51:02

●A172.67.184.1412026-04-07 → 2026-04-12 · 3 obs

○ 2016-09-26 20:28:58
● 2026-04-07 19:55:20
● 2026-04-12 12:51:02

●A2606:4700:3031::ac43:b88d2026-04-07 → 2026-04-12 · 3 obs

○ 2016-09-26 20:28:58
● 2026-04-07 19:55:20
● 2026-04-12 12:51:02

●A2606:4700:3034::6815:4bfc2026-04-07 → 2026-04-12 · 3 obs

○ 2016-09-26 20:28:58
● 2026-04-07 19:55:20
● 2026-04-12 12:51:02

○A50.63.202.932015-06-06 → 2016-04-05 · 4 obs

● 2015-06-06 16:58:18
● 2016-04-05 12:06:52
○ 2016-09-26 20:28:58
○ 2026-04-12 12:51:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
mailzapp.com	alex.ns.cloudflare.com, amy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.101

NS records: alex.ns.cloudflare.com, amy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailzapp.com (unsigned zone)

⏱️ Timing

Total: 251ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.184.141, 104.21.75.252`
AAAA	2	`2606:4700:3034::6815:4bfc, 2606:4700:3031::ac43:b88d`
NS	2	`alex.ns.cloudflare.com, amy.ns.cloudflare.com`
MX	2	`inbound-smtp.us-east-1.amazonaws.com (pr, mx.yandex.net (pri: 20)`
TXT	2	`google-site-verification=Wfk3sfROg4NAp8o, v=spf1 ip4:149.72.173.196 ip4:149.72.165`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alex.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (alex.ns.cloudflare.com, alex.ns.cloudflare.com, alex.ns.cloudflare.com...)

Analysis

Hierarchy

mailzapp.com is the parent of postal.mailzapp.com.

IP Addresses

Four IP numbers are pointed to by mailzapp.com: 2606:4700:3031::ac43:b88d, 2606:4700:3034::6815:4bfc, 104.21.75.252 and 172.67.184.141.

other host names including ludoggwp.com, columbiascrec.com, obninsk1.(0x736578)-rach.com, lobnya1.(0x736578)-rach.com and nighnekamsk1.(0x736578)-rach.com share IP numbers with mailzapp.com.

Name Servers

mailzapp.com is delegated to two name servers alex.ns.cloudflare.com and amy.ns.cloudflare.com.

mailzapp.com shares the same name server setup as other domains, for instance uvb.me, iamdoctor.net, toolsgate.com, 4li.org and ebookdep.com.

mailzapp.com at least partially shares name servers with other domains, for instance jaen28.es, texashomesandland.com, saulfa.com, advantacleanknoxvilletn.com and altasigma.net.

these name servers are commonly used alongside byron.ns.cloudflare.com.

Host names with six IP numbers:

Host name alex.ns.cloudflare.com points to: 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100.

Host name amy.ns.cloudflare.com points to: 2606:4700:50::adf5:3a65, 2803:f800:50::6ca2:c065, 2a06:98c1:50::ac40:2065, 108.162.192.101, 172.64.32.101 and 173.245.58.101.

Mail Servers

Two mail servers handle mailzapp.com: mx.yandex.net and inbound-smtp.us-east-1.amazonaws.com.

mailzapp.com shares the same mail server setup as other domains, for instance gicker.co, gafax.com, jokermonarch.com, bonapply.com and ivytools.net.

mailzapp.com shares some mail servers with other domains, at least partially, for instance blackfan.ru, cbmapps.slack.com, les.uz, bizlect.com and fisterail.slack.com.

these mail servers are commonly used with the mail servers inbound-smtp.us-west-2.amazonaws.com.

Host names with five IP numbers:

inbound-smtp.us-east-1.amazonaws.com points to 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.

Host names with two IP numbers:

mx.yandex.net points to 2a02:6b8::311 and 77.88.21.249.

mailzapp.com - robtex.com

mailzapp.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`mailzapp.com`

`com`