optimization.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`optimization.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:41bb^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:bf7c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.187^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.124^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jerome.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerome.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jerome.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jerome.ns.cloudflare.com`
		A	108.162.193.181^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerome.ns.cloudflare.com`
		A	172.64.33.181^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerome.ns.cloudflare.com`
		A	173.245.59.181^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerome.ns.cloudflare.com`
NS	`kia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kia.ns.cloudflare.com`
		A	108.162.192.179^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
		A	172.64.32.179^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
		A	173.245.58.179^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.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	172.253.116.26^{🇺🇸 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	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`keybase-site-verification=SaJ1RhQCPcx9NYNMNKtqz7zrSgSkbkOgVkxTSt5PWkU`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.187, 172.67.191.124
		IPv6 hints	2606:4700:3034::6815:41bb, 2606:4700:3036::ac43:bf7c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=169, name=cloudflare-ech.com
SOA	`jerome.ns.cloudflare.com`dns@cloudflare.com serial=2411403598

`dev`

	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=1

🔒 HSTS Preload (+subdomains)

Same first word

optimization.blog

optimization.expert

optimization.global

optimization.tech

optimization.ai

optimization.by

optimization.today

optimization.training

optimization.eu.org

optimization.ninja

optimization.co

optimization.team

optimization.su

optimization.dev

optimization.help

optimization.to

optimization.cn

optimization.health

optimization.zone

optimization.co.uk

optimization.xyz

optimization.tv

optimization.biz

optimization.education

optimization.lifestyle

optimization.coach

optimization.com.cn

optimization.digital

optimization.life

optimization.icu

optimization.agency

optimization.com.br

optimization.ca

optimization.at

optimization.ru.com

optimization.dk

optimization.info

optimization.guide

optimization.one

optimization.club

optimization.com.au

optimization.cc

optimization.group

optimization.nu

optimization.guru

optimization.in

optimization.management

optimization.wtf

optimization.org

optimization.ru

optimization.company

optimization.io

optimization.uk

optimization.md

optimization.com.ua

optimization.workers.dev

optimization.com

optimization.business

optimization.se

optimization.support

optimization.bg

optimization.software

optimization.pt

optimization.rest

optimization.network

Previous names

Next names

DNS History

15 records (11 active, 4 former)

●NSjerome.ns.cloudflare.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 16:49:30
● 2026-09-05 21:39:54

●NSkia.ns.cloudflare.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 16:49:30
● 2026-09-05 21:39:54

●MXalt1.aspmx.l.google.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 16:49:30
● 2026-09-05 21:39:54

●MXalt2.aspmx.l.google.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 16:49:30
● 2026-09-05 21:39:54

●MXalt3.aspmx.l.google.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 16:49:30
● 2026-09-05 21:39:54

●MXalt4.aspmx.l.google.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 16:49:30
● 2026-09-05 21:39:54

●MXaspmx.l.google.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 16:49:30
● 2026-09-05 21:39:54

●A104.21.65.1872026-09-03 → 2026-09-05 · 3 obs

○ 2026-09-03 16:49:30
● 2026-09-03 19:03:20
● 2026-09-05 21:39:54

●A172.67.191.1242026-09-03 → 2026-09-05 · 3 obs

○ 2026-09-03 16:49:30
● 2026-09-03 19:03:20
● 2026-09-05 21:39:54

○A188.114.96.02026-09-03 → 2026-09-03 · 3 obs

● 2026-09-03 16:49:30
○ 2026-09-03 19:03:20
○ 2026-09-05 21:39:54

○A188.114.97.02026-09-03 → 2026-09-03 · 3 obs

● 2026-09-03 16:49:30
○ 2026-09-03 19:03:20
○ 2026-09-05 21:39:54

●A2606:4700:3034::6815:41bb2026-09-03 → 2026-09-05 · 3 obs

○ 2026-09-03 16:49:30
● 2026-09-03 19:03:20
● 2026-09-05 21:39:54

●A2606:4700:3036::ac43:bf7c2026-09-03 → 2026-09-05 · 3 obs

○ 2026-09-03 16:49:30
● 2026-09-03 19:03:20
● 2026-09-05 21:39:54

○A2a06:98c1:3120::2026-09-03 → 2026-09-03 · 3 obs

● 2026-09-03 16:49:30
○ 2026-09-03 19:03:20
○ 2026-09-05 21:39:54

○A2a06:98c1:3121::2026-09-03 → 2026-09-03 · 3 obs

● 2026-09-03 16:49:30
○ 2026-09-03 19:03:20
○ 2026-09-05 21:39:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
optimization.dev	kia.ns.cloudflare.com, jerome.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.179

NS records: kia.ns.cloudflare.com, jerome.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimization.dev (unsigned zone)

⏱️ Timing

Total: 1321ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.65.187, 172.67.191.124`
AAAA	2	`2606:4700:3036::ac43:bf7c, 2606:4700:3034::6815:41bb`
NS	2	`jerome.ns.cloudflare.com, kia.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`keybase-site-verification=SaJ1RhQCPcx9NY, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jerome.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

optimization.dev points to the four IP addresses 104.21.65.187, 172.67.191.124, 2606:4700:3034::6815:41bb and 2606:4700:3036::ac43:bf7c.

Additional host names — iterum.lv, vest.ws, mpyue.com and two others — share IP numbers with optimization.dev.

Name Servers

optimization.dev uses two name servers for its delegation: jerome.ns.cloudflare.com and kia.ns.cloudflare.com.

optimization.dev shares its name server setup with other domains, including signal-street.pages.dev, searchengineoptimization.review, kactakapaniyor.net and two others.

The name servers of optimization.dev overlap at least partially with those of other domains — among them sunghoon-kang.workers.dev, everywhere.co.za, solidvxv.com and two more.

These name servers commonly appear alongside the name servers tom.ns.cloudflare.com and maleah.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname jerome.ns.cloudflare.com directs to 108.162.193.181, 172.64.33.181 and 173.245.59.181 along with 3 other IP addresses.

Hostname kia.ns.cloudflare.com directs to 108.162.192.179, 172.64.32.179 and 173.245.58.179 along with 3 other IP addresses.

Mail Servers

optimization.dev has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

optimization.dev shares mail servers — at least in part — with other domains, including alphainstitute.edu.au, spencerofficesupplies.com, bpbooks.net and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com directs traffic to 142.251.167.26 and 2607:f8b0:4004:c25::1b.

alt1.aspmx.l.google.com directs traffic to 192.178.234.26 and 2800:3f0:4003:c14::1b.

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

alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

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