`docr.app`

DNSSEC	🔒 Signed (DS record present)
A	18.245.187.47^{🇺🇸 Amazon18.245.186.0/23}
		PTR	`server-18-245-187-47.lhr5.r.cloudfront.net`
A	18.245.187.68^{🇺🇸 Amazon18.245.186.0/23}
A	18.245.187.84^{🇺🇸 Amazon18.245.186.0/23}
A	18.245.187.112^{🇺🇸 Amazon18.245.186.0/23}
NS	`ns-1561.awsdns-03.co.uk` ⭐
		A	2600:9000:5306:1900::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1561.awsdns-03.co.uk`
		A	205.251.198.25^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1561.awsdns-03.co.uk`
NS	`ns-1404.awsdns-47.org`
		A	2600:9000:5305:7c00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1404.awsdns-47.org`
		A	205.251.197.124^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1404.awsdns-47.org`
NS	`ns-496.awsdns-62.com` ⚠️ Not in parent delegation
		A	2600:9000:5301:f000::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-496.awsdns-62.com`
		A	205.251.193.240^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-496.awsdns-62.com`
NS	`ns-724.awsdns-26.net`
		A	2600:9000:5302:d400::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-724.awsdns-26.net`
		A	205.251.194.212^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-724.awsdns-26.net`
MX	`docr-app.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
TXT	`MS=ms59281640`
TXT	`google-site-verification=FBH5JVV7jluinlaiTL4mva5DnxF6lRXpteSl4CZCIzU`
TXT	`google-site-verification=u2l9km6DjchdZ2dR5WsI-7m2ykUgbJzWMEqonahSP9w`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns-1561.awsdns-03.co.uk`awsdns-hostmaster@amazon.com serial=1

`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)

Up

dev.docr.app

Same first word

docr.cn

docr.app

docr.de

docr.me

docr.co

docr.coffee

docr.com.au

docr.co.kr

docr.space

docr.ru

Similar names

codr.gov.hk

dcro.co.uk

dcro.org.uk

cord.md

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codr.me

dorc.it

crod.ir

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dorc.in

orcd.org.af

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cord.name

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cdro.net

drco.nl

cord.technology

dorc.com.au

codr.space

cord.dev

cord.com

rdoc.com

dcor.co.uk

dcor.in

dorc.org

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cdro.info

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dorc.us

cord.life

codr.dk

dorc.be

droc.us

droc.ru

odrc.cn

rdoc.tk

ordc.cn

dorc.co.uk

rocd.org

cord.digital

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cord.edu

droc.cloud

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cord.com.ua

cdor.net

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dorc.cn

dcor.be

cord.co

rdco.co.uk

drco.com

odcr.org

orcd.ru

dorc.at

rdoc.eu

cdor.us

cord.it

rdco.us

codr.us

cord.in

DNS History

29 records (9 active, 20 former)

●NSns-1404.awsdns-47.org2026-02-15 → 2026-02-26 · 2 obs

● 2026-02-15 15:37:48
● 2026-02-26 19:09:08

●NSns-1561.awsdns-03.co.uk2026-02-15 → 2026-02-26 · 2 obs

● 2026-02-15 15:37:48
● 2026-02-26 19:09:08

●NSns-496.awsdns-62.com2026-02-15 → 2026-02-26 · 2 obs

● 2026-02-15 15:37:48
● 2026-02-26 19:09:08

●NSns-724.awsdns-26.net2026-02-15 → 2026-02-26 · 2 obs

● 2026-02-15 15:37:48
● 2026-02-26 19:09:08

●MXdocr-app.mail.protection.outlook.com2026-02-15 → 2026-02-26 · 2 obs

● 2026-02-15 15:37:48
● 2026-02-26 19:09:08

○A13.249.182.1082026-02-15 → 2026-02-25 · 16 obs

● 2026-02-15 15:37:48
● 2026-02-16 00:18:46
○ 2026-02-16 04:45:34
○ 2026-02-16 17:10:34
● 2026-02-16 20:54:06
○ 2026-02-16 22:23:42
○ 2026-02-18 14:03:20
● 2026-02-18 14:33:34
○ 2026-02-18 20:19:20
○ 2026-02-24 16:47:48
● 2026-02-24 17:31:54
○ 2026-02-24 18:51:26
○ 2026-02-25 06:20:22
● 2026-02-25 06:55:28
○ 2026-02-25 08:27:02
○ 2026-02-26 19:09:08

○A13.249.182.1262026-02-15 → 2026-02-25 · 16 obs

○A13.249.182.502026-02-15 → 2026-02-25 · 16 obs

○A13.249.182.772026-02-15 → 2026-02-25 · 16 obs

○A13.33.109.532026-02-15 → 2026-02-26 · 2 obs

○ 2026-02-15 15:37:48
○ 2026-02-26 19:09:08

○A13.33.109.612026-02-15 → 2026-02-26 · 2 obs

○ 2026-02-15 15:37:48
○ 2026-02-26 19:09:08

○A13.33.109.782026-02-15 → 2026-02-26 · 2 obs

○ 2026-02-15 15:37:48
○ 2026-02-26 19:09:08

○A13.33.109.932026-02-15 → 2026-02-26 · 2 obs

○ 2026-02-15 15:37:48
○ 2026-02-26 19:09:08

○A13.33.67.122026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 00:18:46
● 2026-02-16 04:45:34
○ 2026-02-16 07:46:52
○ 2026-02-26 19:09:08

○A13.33.67.242026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 00:18:46
● 2026-02-16 04:45:34
○ 2026-02-16 07:46:52
○ 2026-02-26 19:09:08

○A13.33.67.52026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 00:18:46
● 2026-02-16 04:45:34
○ 2026-02-16 07:46:52
○ 2026-02-26 19:09:08

○A13.33.67.602026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 00:18:46
● 2026-02-16 04:45:34
○ 2026-02-16 07:46:52
○ 2026-02-26 19:09:08

●A18.245.187.1122026-02-16 → 2026-02-26 · 39 obs

○ 2026-02-16 04:45:34
● 2026-02-16 07:46:52
● 2026-02-16 17:10:34
○ 2026-02-16 20:54:06
● 2026-02-16 22:23:42
● 2026-02-16 23:25:50
○ 2026-02-17 00:09:52
● 2026-02-17 01:31:02
● 2026-02-18 14:03:20
○ 2026-02-18 14:33:34
● 2026-02-18 20:19:20
● 2026-02-23 06:12:38
○ 2026-02-23 07:16:20
● 2026-02-23 08:20:08
○ 2026-02-23 10:25:44
● 2026-02-23 11:29:56
● 2026-02-23 23:00:04
○ 2026-02-24 00:13:04
● 2026-02-24 01:06:04
● 2026-02-24 16:47:48
○ 2026-02-24 17:31:54
● 2026-02-24 18:51:26
● 2026-02-25 03:11:50
○ 2026-02-25 04:06:14
○ 2026-02-25 04:56:46
● 2026-02-25 06:20:22
○ 2026-02-25 06:55:28
● 2026-02-25 08:27:02
● 2026-02-25 22:06:46
○ 2026-02-25 23:08:56
○ 2026-02-26 00:10:20
● 2026-02-26 02:16:28
● 2026-02-26 07:30:50
○ 2026-02-26 08:45:00
● 2026-02-26 11:05:48
● 2026-02-26 14:50:50
○ 2026-02-26 15:25:16
● 2026-02-26 16:55:38
● 2026-02-26 19:09:08

●A18.245.187.472026-02-16 → 2026-02-26 · 39 obs

●A18.245.187.682026-02-16 → 2026-02-26 · 39 obs

●A18.245.187.842026-02-16 → 2026-02-26 · 39 obs

○A52.84.174.152026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 06:12:38
● 2026-02-23 07:16:20
○ 2026-02-23 08:20:08
○ 2026-02-26 19:09:08

○A52.84.174.402026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 06:12:38
● 2026-02-23 07:16:20
○ 2026-02-23 08:20:08
○ 2026-02-26 19:09:08

○A52.84.174.482026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 06:12:38
● 2026-02-23 07:16:20
○ 2026-02-23 08:20:08
○ 2026-02-26 19:09:08

○A52.84.174.742026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 06:12:38
● 2026-02-23 07:16:20
○ 2026-02-23 08:20:08
○ 2026-02-26 19:09:08

○A52.85.193.1012026-02-17 → 2026-02-26 · 24 obs

○ 2026-02-16 23:25:50
● 2026-02-17 00:09:52
○ 2026-02-17 01:31:02
○ 2026-02-23 08:20:08
● 2026-02-23 10:25:44
○ 2026-02-23 11:29:56
○ 2026-02-23 23:00:04
● 2026-02-24 00:13:04
○ 2026-02-24 01:06:04
○ 2026-02-25 03:11:50
● 2026-02-25 04:06:14
● 2026-02-25 04:56:46
○ 2026-02-25 06:20:22
○ 2026-02-25 22:06:46
● 2026-02-25 23:08:56
● 2026-02-26 00:10:20
○ 2026-02-26 02:16:28
○ 2026-02-26 07:30:50
● 2026-02-26 08:45:00
○ 2026-02-26 11:05:48
○ 2026-02-26 14:50:50
● 2026-02-26 15:25:16
○ 2026-02-26 16:55:38
○ 2026-02-26 19:09:08

○A52.85.193.1112026-02-17 → 2026-02-26 · 24 obs

○A52.85.193.322026-02-17 → 2026-02-26 · 24 obs

○A52.85.193.62026-02-17 → 2026-02-26 · 24 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
docr.app	ns-1404.awsdns-47.org, ns-1561.awsdns-03.co.uk, ns-724.awsdns-26.net	-

✅ Authoritative Response

Server: 205.251.197.124

NS records: ns-1404.awsdns-47.org, ns-1561.awsdns-03.co.uk, ns-724.awsdns-26.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 682ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.85.193.111, 52.85.193.32...`
NS	4	`ns-1404.awsdns-47.org, ns-1561.awsdns-03.co.uk...`
MX	1	`docr-app.mail.protection.outlook.com (pr`
TXT	4	`MS=ms59281640, google-site-verification=FBH5JVV7jluinla...`
SOA	1	`ns-1561.awsdns-03.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

AI analysis

The parent of dev.docr.app is docr.app.

docr.app resolves to four IP numbers: 18.245.187.47, 18.245.187.68, 18.245.187.84 and 18.245.187.112.

Other host names such as kwikvpn.com, accessmedicalpurchasing.net, atelierkazu.com, elkhornquilts.com and d1pyrcdkywnehw.cloudfront.net share IPs with docr.app.

docr.app is delegated to four name servers: ns-496.awsdns-62.com, ns-724.awsdns-26.net, ns-1404.awsdns-47.org and ns-1561.awsdns-03.co.uk.

docr.app at least partially shares name servers with other domains, for instance fobstop.com, datanugget.io, playstationcomics.com, asitsol.net and d3mfbi2u56ho6t.cloudfront.net.

These name servers are commonly used with ns-1189.awsdns-20.org, ns-60.awsdns-07.com, ns-867.awsdns-44.net, ns-939.awsdns-53.net, ns-1166.awsdns-17.org and ns-1538.awsdns-00.co.uk.

Host names with two IP numbers: ns-496.awsdns-62.com points to 2600:9000:5301:f000::1 and 205.251.193.240; ns-724.awsdns-26.net points to 2600:9000:5302:d400::1 and 205.251.194.212; ns-1404.awsdns-47.org points to 2600:9000:5305:7c00::1 and 205.251.197.124; ns-1561.awsdns-03.co.uk points to 2600:9000:5306:1900::1 and 205.251.198.25.

docr.app is handled by a single mail server, docr-app.mail.protection.outlook.com.

Host name docr-app.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::a, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::b, 2a01:111:f403:ca09::e, 52.101.68.15, 52.101.68.29, 52.101.73.11 and 52.101.73.28.

docr.app - robtex.com

docr.app

app

Up

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

AI analysis

`docr.app`

`app`