🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`require.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3ea0^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8914^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.62.160^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.20^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dave.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dave.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dave.ns.cloudflare.com`
		A	108.162.193.109^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	172.64.33.109^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	173.245.59.109^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
NS	`jean.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c079^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2079^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jean.ns.cloudflare.com`
		A	108.162.192.121^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	172.64.32.121^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	173.245.58.121^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.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	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`proxy-ssl.webflow.com`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.62.160, 172.67.137.20
		IPv6 hints	2606:4700:3031::6815:3ea0, 2606:4700:3035::ac43:8914
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=46, name=cloudflare-ech.com
SOA	`dave.ns.cloudflare.com`dns@cloudflare.com serial=2413443934

`dev`

	DNSSEC	⚠️ Not signed
	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=1

🔒 HSTS Preload (+subdomains)

Same first word

require.shop

require.name

require.dk

require.nl

require.mobi

require.earth

require.cloud

require.ca

require.lol

require.co.uk

require.vc

require.pw

require.software

require.si

require.it

require.tech

require.com

require.co

require.se

require.de

require.pl

require.eu

require.help

require.ph

require.fr

require.so

require.cc

require.uk

require.net

require.dev

require.io

require.no

require.top

require.now.sh

require.it.com

require.in

Similar names

errique.com.ph

equirer.org.cn

requier.com

equirer.com

requeri.info

querier.org

querier.me

querier.io

queerri.com

querier.biz

requier.be

riquere.com

querier.net

ereirqu.com

riquere.org

querier.com

Previous names

Next names

required.dev

requirements.dev

requis.dev

requisis.dev

requisition.dev

reqvigil.dev

rerac.dev

rerecale.dev

rerent.dev

rererr.dev

rerev.dev

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rerezd.dev

reriorek.dev

rero.dev

rerole.dev

reroll.dev

rerolled.dev

DNS History

11 records (11 active, 0 former)

●NSdave.ns.cloudflare.com2026-09-02 → 2026-09-09 · 2 obs

● 2026-09-02 04:16:08
● 2026-09-09 18:20:30

●NSjean.ns.cloudflare.com2026-09-02 → 2026-09-09 · 2 obs

● 2026-09-02 04:16:08
● 2026-09-09 18:20:30

●MXalt1.aspmx.l.google.com2026-09-02 → 2026-09-09 · 2 obs

● 2026-09-02 04:16:08
● 2026-09-09 18:20:30

●MXalt2.aspmx.l.google.com2026-09-02 → 2026-09-09 · 2 obs

● 2026-09-02 04:16:08
● 2026-09-09 18:20:30

●MXalt3.aspmx.l.google.com2026-09-02 → 2026-09-09 · 2 obs

● 2026-09-02 04:16:08
● 2026-09-09 18:20:30

●MXalt4.aspmx.l.google.com2026-09-02 → 2026-09-09 · 2 obs

● 2026-09-02 04:16:08
● 2026-09-09 18:20:30

●MXaspmx.l.google.com2026-09-02 → 2026-09-09 · 2 obs

● 2026-09-02 04:16:08
● 2026-09-09 18:20:30

●A104.21.62.1602026-09-02 → 2026-09-09 · 2 obs

● 2026-09-02 04:16:08
● 2026-09-09 18:20:30

●A172.67.137.202026-09-02 → 2026-09-09 · 2 obs

● 2026-09-02 04:16:08
● 2026-09-09 18:20:30

●A2606:4700:3031::6815:3ea02026-09-02 → 2026-09-09 · 2 obs

● 2026-09-02 04:16:08
● 2026-09-09 18:20:30

●A2606:4700:3035::ac43:89142026-09-02 → 2026-09-09 · 2 obs

● 2026-09-02 04:16:08
● 2026-09-09 18:20:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
require.dev	jean.ns.cloudflare.com, dave.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.109

NS records: jean.ns.cloudflare.com, dave.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for require.dev (unsigned zone)

⏱️ Timing

Total: 3190ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.137.20, 104.21.62.160`
AAAA	2	`2606:4700:3031::6815:3ea0, 2606:4700:3035::ac43:8914`
NS	2	`dave.ns.cloudflare.com, jean.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`proxy-ssl.webflow.com, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dave.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

require.dev has four IP addresses: 104.21.62.160, 172.67.137.20, 2606:4700:3031::6815:3ea0 and 2606:4700:3035::ac43:8914.

Additional host names — ok8001.net, abckontor.xyz, www.lagomaggioreconference.com and two others — share IP numbers with require.dev.

Name Servers

require.dev uses two name servers for its delegation: dave.ns.cloudflare.com and jean.ns.cloudflare.com.

require.dev shares its name server setup with other domains, including pocketmoon.me, myaimodel.pages.dev, androidupdates.net and two others.

require.dev shares at least some of its name servers with other domains, including mywavve.uk, hms.hr, skvo.me and two others.

These name servers are frequently paired with the name servers brian.ns.cloudflare.com and mimi.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname dave.ns.cloudflare.com directs to 108.162.193.109, 172.64.33.109 and 173.245.59.109 along with 3 other IP addresses.

Hostname jean.ns.cloudflare.com directs to 108.162.192.121, 172.64.32.121 and 173.245.58.121 along with 3 other IP addresses.

Mail Servers

Mail for require.dev is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

require.dev shares mail servers — at least in part — with other domains, including visibility-studio.ai, medilinksinternational.com, mundor.com.br and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com directs traffic to 142.251.163.27 and 2607:f8b0:4004:c17::1a.

alt1.aspmx.l.google.com directs traffic to 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.