`subdoc.app`

DNSSEC	⚠️ Not signed
A	66.33.60.67^{🇺🇸 Amazon66.33.60.0/24 EC2 Prefix}
A	76.76.21.98^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`emma.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a70^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c070^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2070^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emma.ns.cloudflare.com`
		A	108.162.192.112^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
		A	172.64.32.112^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
		A	173.245.58.112^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
NS	`lloyd.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lloyd.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lloyd.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lloyd.ns.cloudflare.com`
		A	108.162.193.197^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lloyd.ns.cloudflare.com`
		A	172.64.33.197^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lloyd.ns.cloudflare.com`
		A	173.245.59.197^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lloyd.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽²⁹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁸³⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`emma.ns.cloudflare.com`dns@cloudflare.com serial=2403541357

`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

subdoc.com

subdoc.app

Similar names

cobuds.com

budocs.blogspot.com

busdoc.com

subcod.com

dubsco.com

dubcos.com

scodub.com

busdoc.ru

cobuds.org

busdoc.com.au

soucbd.com

docbus.com

dubosc.net

DNS History

21 records (7 active, 14 former)

●NSemma.ns.cloudflare.com2026-04-19 → 2026-05-10 · 2 obs

● 2026-04-19 04:55:56
● 2026-05-10 15:30:22

●NSlloyd.ns.cloudflare.com2026-04-19 → 2026-05-10 · 2 obs

● 2026-04-19 04:55:56
● 2026-05-10 15:30:22

●MXroute1.mx.cloudflare.net2026-04-26 → 2026-05-10 · 2 obs

● 2026-04-26 21:29:06
● 2026-05-10 15:30:22

●MXroute2.mx.cloudflare.net2026-04-26 → 2026-05-10 · 2 obs

● 2026-04-26 21:29:06
● 2026-05-10 15:30:22

●MXroute3.mx.cloudflare.net2026-04-26 → 2026-05-10 · 2 obs

● 2026-04-26 21:29:06
● 2026-05-10 15:30:22

○A66.33.60.1292026-04-27 → 2026-04-28 · 8 obs

○ 2026-04-27 16:33:24
● 2026-04-27 18:28:28
● 2026-04-28 10:21:36
○ 2026-04-28 11:25:42
○ 2026-04-28 17:29:18
● 2026-04-28 20:08:20
○ 2026-04-29 02:31:42
○ 2026-05-10 15:30:22

○A66.33.60.1302026-04-27 → 2026-05-04 · 10 obs

○ 2026-04-27 03:01:56
● 2026-04-27 04:55:44
○ 2026-04-27 14:31:24
○ 2026-04-28 20:08:20
● 2026-04-29 02:31:42
● 2026-04-29 08:13:12
○ 2026-05-04 19:45:58
● 2026-05-04 20:22:46
○ 2026-05-05 05:25:46
○ 2026-05-10 15:30:22

○A66.33.60.1932026-04-26 → 2026-04-28 · 8 obs

○ 2026-04-26 08:29:32
● 2026-04-26 12:08:14
● 2026-04-26 21:29:06
○ 2026-04-27 03:01:56
○ 2026-04-28 11:25:42
● 2026-04-28 16:26:28
○ 2026-04-28 17:29:18
○ 2026-05-10 15:30:22

○A66.33.60.1942026-04-26 → 2026-05-04 · 13 obs

○ 2026-04-19 07:36:14
● 2026-04-26 01:13:16
○ 2026-04-26 05:25:14
● 2026-04-26 07:07:52
● 2026-04-26 08:29:32
○ 2026-04-26 12:08:14
○ 2026-04-27 14:31:24
● 2026-04-27 16:33:24
○ 2026-04-27 18:28:28
○ 2026-04-29 08:13:12
● 2026-05-04 19:45:58
○ 2026-05-04 20:22:46
○ 2026-05-10 15:30:22

○A66.33.60.342026-04-19 → 2026-04-27 · 9 obs

● 2026-04-19 04:55:56
○ 2026-04-19 07:36:14
○ 2026-04-26 01:13:16
● 2026-04-26 05:25:14
○ 2026-04-26 07:07:52
○ 2026-04-27 04:55:44
● 2026-04-27 14:31:24
○ 2026-04-27 16:33:24
○ 2026-05-10 15:30:22

○A66.33.60.352026-04-27 → 2026-04-27 · 4 obs

○ 2026-04-26 21:29:06
● 2026-04-27 03:01:56
○ 2026-04-27 04:55:44
○ 2026-05-10 15:30:22

○A66.33.60.662026-04-19 → 2026-05-05 · 6 obs

○ 2026-04-19 04:55:56
● 2026-04-19 07:36:14
○ 2026-04-26 01:13:16
○ 2026-05-05 05:25:46
● 2026-05-05 08:11:22
○ 2026-05-10 15:30:22

●A66.33.60.672026-04-28 → 2026-05-10 · 9 obs

○ 2026-04-28 10:21:36
● 2026-04-28 11:25:42
○ 2026-04-28 16:26:28
● 2026-04-28 17:29:18
○ 2026-04-28 20:08:20
○ 2026-05-04 20:22:46
● 2026-05-05 05:25:46
○ 2026-05-05 08:11:22
● 2026-05-10 15:30:22

○A76.76.21.1232026-04-27 → 2026-04-27 · 4 obs

○ 2026-04-26 21:29:06
● 2026-04-27 03:01:56
○ 2026-04-27 04:55:44
○ 2026-05-10 15:30:22

○A76.76.21.1422026-04-19 → 2026-05-05 · 6 obs

○ 2026-04-19 04:55:56
● 2026-04-19 07:36:14
○ 2026-04-26 01:13:16
○ 2026-05-05 05:25:46
● 2026-05-05 08:11:22
○ 2026-05-10 15:30:22

○A76.76.21.1642026-04-19 → 2026-04-27 · 9 obs

○A76.76.21.222026-04-27 → 2026-04-28 · 8 obs

○ 2026-04-27 16:33:24
● 2026-04-27 18:28:28
● 2026-04-28 10:21:36
○ 2026-04-28 11:25:42
○ 2026-04-28 17:29:18
● 2026-04-28 20:08:20
○ 2026-04-29 02:31:42
○ 2026-05-10 15:30:22

○A76.76.21.2412026-04-26 → 2026-04-28 · 8 obs

○ 2026-04-26 08:29:32
● 2026-04-26 12:08:14
● 2026-04-26 21:29:06
○ 2026-04-27 03:01:56
○ 2026-04-28 11:25:42
● 2026-04-28 16:26:28
○ 2026-04-28 17:29:18
○ 2026-05-10 15:30:22

○A76.76.21.612026-04-27 → 2026-05-04 · 10 obs

○A76.76.21.932026-04-26 → 2026-05-04 · 13 obs

●A76.76.21.982026-04-28 → 2026-05-10 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
subdoc.app	emma.ns.cloudflare.com, lloyd.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.112

NS records: emma.ns.cloudflare.com, lloyd.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for subdoc.app (unsigned zone)

⏱️ Timing

Total: 593ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`66.33.60.66, 76.76.21.142`
NS	2	`emma.ns.cloudflare.com, lloyd.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 12), route2.mx.cloudflare.net (pri: 29)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
SOA	1	`emma.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

subdoc.app resolves to two IP numbers: 66.33.60.67 and 76.76.21.98.

Other host names, for instance quake.insane.com, thaika.xyz, fangathering.com, cutters.se and 3es.dev share IP numbers with subdoc.app.

Name Servers

subdoc.app has two name servers: emma.ns.cloudflare.com and lloyd.ns.cloudflare.com.

subdoc.app shares the same name server setup as other domains, for example 972096.com, 972207.com, 972306.com, piedrapapeltijeras.com and 972257.com.

subdoc.app shares some name servers with other domains, for example travel.com.do, mossahotel.gr, bookfocal.com, corpseruncomics.com and liquidatenow.com.

These name servers are commonly used together with abby.ns.cloudflare.com and leif.ns.cloudflare.com.

Host names with six IP numbers: emma.ns.cloudflare.com points to: 2606:4700:50::adf5:3a70, 2803:f800:50::6ca2:c070, 2a06:98c1:50::ac40:2070, 108.162.192.112, 172.64.32.112 and 173.245.58.112; lloyd.ns.cloudflare.com points to: 2606:4700:58::adf5:3bc5, 2803:f800:50::6ca2:c1c5, 2a06:98c1:50::ac40:21c5, 108.162.193.197, 172.64.33.197 and 173.245.59.197.

Mail Servers

subdoc.app is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

subdoc.app shares some mail servers with other domains, at least partially; for instance relisv.com, vozer.io, hotel-echevins.com, lrbaggett.com and gagebiddy.com.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25

subdoc.app - robtex.com

subdoc.app

app

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`subdoc.app`

`app`