`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:f8b0:4023:c06::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f27.1e100.net`
		A	142.250.101.27^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:2801::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f26.1e100.net`
		A	192.178.128.27^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-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	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		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	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.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=2401139691

`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 → 2026-04-12 · 2 obs

● 2026-02-22 22:06:36
● 2026-04-12 08:18:30

●NSyolanda.ns.cloudflare.com2026-02-22 → 2026-04-12 · 2 obs

● 2026-02-22 22:06:36
● 2026-04-12 08:18:30

●MXalt1.aspmx.l.google.com2026-02-22 → 2026-04-12 · 2 obs

● 2026-02-22 22:06:36
● 2026-04-12 08:18:30

●MXalt2.aspmx.l.google.com2026-02-22 → 2026-04-12 · 2 obs

● 2026-02-22 22:06:36
● 2026-04-12 08:18:30

●MXaspmx.l.google.com2026-02-22 → 2026-04-12 · 2 obs

● 2026-02-22 22:06:36
● 2026-04-12 08:18:30

●MXaspmx2.googlemail.com2026-02-22 → 2026-04-12 · 2 obs

● 2026-02-22 22:06:36
● 2026-04-12 08:18:30

●MXaspmx3.googlemail.com2026-02-22 → 2026-04-12 · 2 obs

● 2026-02-22 22:06:36
● 2026-04-12 08:18:30

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

○ 2026-02-22 22:06:36
● 2026-04-12 08:18:28
● 2026-04-12 08:18:30

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

● 2026-02-22 22:06:36
○ 2026-04-12 08:18:28
○ 2026-04-12 08:18:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
iotmaster.app	yolanda.ns.cloudflare.com, yew.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.241

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: 753ms | 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`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

iotmaster.app points to IP number 136.243.173.186.

Name Servers

iotmaster.app is delegated to two name servers: yew.ns.cloudflare.com and yolanda.ns.cloudflare.com.

iotmaster.app uses the same name server setup as other domains such as b2up.net, nationpulse.ca, dimnikol.com, pemser.com and together.tv.