iotmaster.app - dns.ninja

`iotmaster.app`

DNSSEC	⚠️ Not signed
A	136.243.173.186^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
		PTR	`static.186.173.243.136.clients.your-server.de`
NS	`yew.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c50^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c350^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yew.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2350^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yew.ns.cloudflare.com`
		A	108.162.195.80^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	162.159.44.80^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	172.64.35.80^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
NS	`yolanda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yolanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yolanda.ns.cloudflare.com`
		A	108.162.192.241^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	172.64.32.241^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	173.245.58.241^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`google-site-verification=j2eQukW-oqUnRXIddIHSAC6XFmdWv8ogE6y5AyZ3uDY`
TXT	`google-site-verification=jbqSC7jTHgqtyXtSLOqZEvz6U8hHGpaK-KDfN4VJ-uw`
TXT	`v=spf1 ip4:136.243.173.186 include:_spf.google.com ~all`
SOA	`yew.ns.cloudflare.com`dns@cloudflare.com serial=2406626800

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

iotmaster.app

iotmaster.com

Similar names

DNS History

9 records (8 active, 1 former)

●NSyew.ns.cloudflare.com2026-02-22 → 2026-07-29 · 2 obs

● 2026-02-22 22:06:36
● 2026-07-29 00:12:06

●NSyolanda.ns.cloudflare.com2026-02-22 → 2026-07-29 · 2 obs

● 2026-02-22 22:06:36
● 2026-07-29 00:12:06

●MXalt1.aspmx.l.google.com2026-02-22 → 2026-07-29 · 2 obs

● 2026-02-22 22:06:36
● 2026-07-29 00:12:06

●MXalt2.aspmx.l.google.com2026-02-22 → 2026-07-29 · 2 obs

● 2026-02-22 22:06:36
● 2026-07-29 00:12:06

●MXaspmx.l.google.com2026-02-22 → 2026-07-29 · 2 obs

● 2026-02-22 22:06:36
● 2026-07-29 00:12:06

●MXaspmx2.googlemail.com2026-02-22 → 2026-07-29 · 2 obs

● 2026-02-22 22:06:36
● 2026-07-29 00:12:06

●MXaspmx3.googlemail.com2026-02-22 → 2026-07-29 · 2 obs

● 2026-02-22 22:06:36
● 2026-07-29 00:12:06

●A136.243.173.1862026-04-12 → 2026-07-29 · 3 obs

○ 2026-02-22 22:06:36
● 2026-04-12 08:18:28
● 2026-07-29 00:12:06

○A178.63.61.1602026-02-22 → 2026-02-22 · 3 obs

● 2026-02-22 22:06:36
○ 2026-04-12 08:18:28
○ 2026-07-29 00:12:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
iotmaster.app	yolanda.ns.cloudflare.com, yew.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.80

NS records: yolanda.ns.cloudflare.com, yew.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iotmaster.app (unsigned zone)

⏱️ Timing

Total: 481ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.243.173.186`
NS	2	`yew.ns.cloudflare.com, yolanda.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 0), aspmx2.googlemail.com (pri: 10)...`
TXT	3	`google-site-verification=j2eQukW-oqUnRXI, google-site-verification=jbqSC7jTHgqtyXt...`
SOA	1	`yew.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

iotmaster.app has exactly one IP address — 136.243.173.186.

Name Servers

iotmaster.app is served by two delegated name servers, yew.ns.cloudflare.com and yolanda.ns.cloudflare.com.

The name server configuration of iotmaster.app is shared with other domains, for instance b2up.net, codymathena.com, nationpulse.ca and two others.

The name servers of iotmaster.app overlap at least partially with those of other domains — among them aventine.ai, evcny.com, bellsazshihtzu.com and two more.

These name servers commonly appear in combination with the name servers julissa.ns.cloudflare.com.

Hosts with 6 IP addresses each:

yew.ns.cloudflare.com carries IP addresses 108.162.195.80, 162.159.44.80 and 172.64.35.80, with 3 other addresses beyond those.

yolanda.ns.cloudflare.com carries IP addresses 108.162.192.241, 172.64.32.241 and 173.245.58.241, with 3 other addresses beyond those.

Mail Servers

iotmaster.app has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by iotmaster.app are shared with other domains: biganima.com, ns500742.ns500754.ns500731.ns500704.ns500731.ns500671.ns500678.ns500649.ns500291.ns500666.tenderladiesbz.com, ns500693.ns500693.ns500699.ns500734.ns500699.ns500699.ns500699.ns500699.ns500693.ns500588.ns500693.ns500588.ns500683.ns500632.ns500588.ns500588.dtrkdll.com and two others among them.

These mail servers are often deployed together with alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com maps to two IP addresses — 142.251.167.27 and 2607:f8b0:4004:c1d::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 108.177.123.26 IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 2a00:1450:400b:c02::1b IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 172.253.116.26 IP addresses.