`37.app`

DNSSEC	⚠️ Not signed
A	45.200.49.222^{🇭🇰 USZNI-AS-AP45.200.48.0/20 Proxy-registered route object}
A	156.238.121.208^{🇭🇰 USZNI-AS-AP156.238.121.0/24 Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan (Customer Route:COREWINNER-NET)}
A	156.238.122.164^{🇭🇰 USZNI-AS-AP156.238.122.0/24 Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan (Customer Route:COREWINNER-NET)}
A	156.245.144.133^{🇭🇰 USZNI-AS-AP156.245.144.0/24 Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan (Customer Route)}
A	156.245.234.111^{🇭🇰 USZNI-AS-AP156.245.234.0/24 Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan (Customer Route:COREWINNER-NET)}
A	207.56.13.159^{🇺🇸 USZNI-AS-AP207.56.13.0/24}
A	207.56.18.3^{🇺🇸 USZNI-AS-AP207.56.18.0/24}
A	207.56.18.4^{🇺🇸 USZNI-AS-AP207.56.18.0/24}
NS	`peyton.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bdd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1dd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`peyton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21dd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`peyton.ns.cloudflare.com`
		A	108.162.193.221^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	172.64.33.221^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	173.245.59.221^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
NS	`sasha.ns.cloudflare.com`
		A	2606:4700:50::a29f:2645^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sasha.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c245^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sasha.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2245^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sasha.ns.cloudflare.com`
		A	108.162.194.69^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sasha.ns.cloudflare.com`
		A	162.159.38.69^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sasha.ns.cloudflare.com`
		A	172.64.34.69^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sasha.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	`route1.mx.cloudflare.net`⁽⁸⁰⁾
		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`
MX	`route2.mx.cloudflare.net`⁽⁸⁰⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`peyton.ns.cloudflare.com`dns@cloudflare.com serial=2407533184

`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

37.net

37.de

37.se

37.business

37.am

37.lv

37.ax

37.com.mx

37.technology

37.ph

37.vg

37.plus

37.ro

37.hk

37.cc

37.space

37.fo

37.rs

37.pl

37.app

37.la

37.ru

37.com.cn

37.ai

37.lt

37.amsterdam

37.au

37.biz

37.nl

37.gg

37.co.nz

37.no

37.cl

37.fi

37.co.za

37.hu

37.fr

37.uz

37.co

37.dk

37.world

37.in-addr.arpa

37.vip

37.to

37.studio

37.su

37.ca

37.network

37.vc

37.ae

37.cn

37.com

37.co.uk

37.org

37.gold

37.com.hk

37.is

37.com.vn

37.wtf

Similar names

73.biz

73.ph

73.no

73.su

73.cz

73.ws

73.com.mx

73.ru

73.com

73.si

73.org

73.in-addr.arpa

73.gold

73.com.ua

73.lt

73.hu

73.com.au

73.tc

73.net.cn

73.cn

73.lv

73.pl

73.am

73.co.kr

73.world

73.ca

73.wtf

73.co.uk

73.chat

73.ci

73.be

73.amsterdam

73.se

73.gs

73.wf

73.ro

73.co

73.app

73.tel

73.dk

73.fr

73.eu

73.by

73.fyi

73.to

73.fi

73.nu

73.network

73.photography

73.cc

73.cl

DNS History

13 records (13 active, 0 former)

●NSpeyton.ns.cloudflare.com2026-06-15 → 2026-06-27 · 2 obs

● 2026-06-15 20:42:12
● 2026-06-27 03:24:22

●NSsasha.ns.cloudflare.com2026-06-15 → 2026-06-27 · 2 obs

● 2026-06-15 20:42:12
● 2026-06-27 03:24:22

●MXroute1.mx.cloudflare.net2026-06-15 → 2026-06-27 · 2 obs

● 2026-06-15 20:42:12
● 2026-06-27 03:24:22

●MXroute2.mx.cloudflare.net2026-06-15 → 2026-06-27 · 2 obs

● 2026-06-15 20:42:12
● 2026-06-27 03:24:22

●MXroute3.mx.cloudflare.net2026-06-15 → 2026-06-27 · 2 obs

● 2026-06-15 20:42:12
● 2026-06-27 03:24:22

●A156.238.121.2082026-06-25 → 2026-06-27 · 3 obs

○ 2026-06-15 20:42:12
● 2026-06-25 00:09:56
● 2026-06-27 03:24:22

●A156.238.122.1642026-06-25 → 2026-06-27 · 3 obs

○ 2026-06-15 20:42:12
● 2026-06-25 00:09:56
● 2026-06-27 03:24:22

●A156.245.144.1332026-06-15 → 2026-06-27 · 2 obs

● 2026-06-15 20:42:12
● 2026-06-27 03:24:22

●A156.245.234.1112026-06-15 → 2026-06-27 · 2 obs

● 2026-06-15 20:42:12
● 2026-06-27 03:24:22

●A207.56.13.1592026-06-15 → 2026-06-27 · 2 obs

● 2026-06-15 20:42:12
● 2026-06-27 03:24:22

●A207.56.18.32026-06-15 → 2026-06-27 · 2 obs

● 2026-06-15 20:42:12
● 2026-06-27 03:24:22

●A207.56.18.42026-06-15 → 2026-06-27 · 2 obs

● 2026-06-15 20:42:12
● 2026-06-27 03:24:22

●A45.200.49.2222026-06-25 → 2026-06-27 · 3 obs

○ 2026-06-15 20:42:12
● 2026-06-25 00:09:56
● 2026-06-27 03:24:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
37.app	peyton.ns.cloudflare.com, sasha.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.69

NS records: peyton.ns.cloudflare.com, sasha.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 37.app (unsigned zone)

⏱️ Timing

Total: 710ms | Queries: -

📄 Records

Type	Count	Sample Data
A	8	`207.56.13.159, 156.238.121.208...`
NS	2	`peyton.ns.cloudflare.com, sasha.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 45), route1.mx.cloudflare.net (pri: 80)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
SOA	1	`peyton.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

With 8 IP addresses in total, 37.app resolves to 45.200.49.222, 156.238.121.208, 156.238.122.164 and 5 other.

Among the host names that share IP numbers with 37.app are 077.one, 37k.gd, 077d.vip and two others.

Name Servers

The NS records for 37.app delegate to peyton.ns.cloudflare.com and sasha.ns.cloudflare.com.

37.app has the same name server delegation as a number of other domains, such as magicalmediagroup.com, wizlibrary.com, 37o.gd and two more.

There is at least partial name server overlap between 37.app and other domains — gameforge.click, oglfmeivl.cc, gostreaming.one and two more among them.

The name servers nile.ns.cloudflare.com, olivia.ns.cloudflare.com and adrian.ns.cloudflare.com are often found in combination with these name servers.

Host names resolving to 6 IP numbers:

peyton.ns.cloudflare.com maps to 108.162.193.221, 172.64.33.221, 173.245.59.221 and 3 additional IP addresses.

sasha.ns.cloudflare.com maps to 108.162.194.69, 162.159.38.69, 172.64.34.69 and 3 additional IP addresses.

Mail Servers

Incoming mail for 37.app is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

37.app shares at least some of its mail servers with other domains — for example skyfork.com, thanhansoft.com, schwartzman.org and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.

37.app - robtex.com

37.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

`37.app`

`app`