`lutr.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:8824^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4eb0^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.176^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.36^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`margo.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c390^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`margo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2390^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`margo.ns.cloudflare.com`
		A	108.162.195.144^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margo.ns.cloudflare.com`
		A	162.159.44.144^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margo.ns.cloudflare.com`
		A	172.64.35.144^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margo.ns.cloudflare.com`
NS	`sonia.ns.cloudflare.com`
		A	2606:4700:50::a29f:26be^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sonia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sonia.ns.cloudflare.com`
		A	108.162.194.190^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
		A	162.159.38.190^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
		A	172.64.34.190^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
MX	`mx1.alias.proton.me` ⭐
		A	176.119.200.136^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mx1.simplelogin.co`
			PTR	`mx2.simplelogin.co`
		A	185.205.70.136^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mx1.simplelogin.co`
			PTR	`mx2.simplelogin.co`
MX	`mx2.alias.proton.me`⁽²⁰⁾
		A	176.119.200.136^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mx1.simplelogin.co`
			PTR	`mx2.simplelogin.co`
		A	185.205.70.136^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mx1.simplelogin.co`
			PTR	`mx2.simplelogin.co`
TXT	`google-site-verification=qXnmjYuNxJO7cBy-1Lwn0os92DS7Lko9WXjcfROYdwM`
TXT	`pm-verification=efmzfhhoodxhjycxqmelxptoegpunl`
TXT	`v=spf1 include:alias.proton.me ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.78.176, 172.67.136.36
		IPv6 hints	2606:4700:3035::ac43:8824, 2606:4700:3037::6815:4eb0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=136, name=cloudflare-ech.com
SOA	`margo.ns.cloudflare.com`dns@cloudflare.com serial=2408145287

`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)

Subdomains

www.lutr.dev

Same first word

lutr.dev

lutr.net

lutr.de

lutr.ru

Similar names

ltur.si

ultr.ru

tulr.in

utlr.com

ltur.net

ltur.info

lurt.de

rutl.com

trul.de

rult.at

turl.im

ltur.be

turl.co

urtl.ma

urlt.cc

urlt.de

rlut.cn

ltur.li

tlru.ru

rutl.ru

turl.nl

urtl.net

turl.us

turl.ru

ltur.nl

ltur.tel

trul.cn

ltur.ru

trul.net

ultr.ar

tlru.com

trul.df.gov.br

ultr.de

turl.ltd

turl.gov.tw

lurt.cz

tlru.de

ltur.fr

rult.de

lurt.se

turl.fr

rtul.net

tulr.ca

ltur.in

trul.tk

ltur.pl

rtul.de

ltur.cz

utrl.de

ltur.co.uk

turl.io

ltur.jp

ltur.eu

ltur.biz

ltur.co

ulrt.ru

turl.at

turl.in

ltur.sk

trul.com

ulrt.net

ultr.uz

turl.co.uk

turl.kr

trlu.com

ltur.ws

ltur.de

ulrt.com

ltur.com

lurt.no

urlt.net

ultr.net

ulrt.co.kr

ultr.mx

utlr.de

turl.st

ltur.org

urtl.info

lurt.org

ltur.se

tlur.com

turl.org

turl.de

turl.net

tulr.com

ltur.ch

rutl.cn

trul.ru

tulr.cn

lrut.com

trul.org

ltur.es

rult.net

urlt.com

lrut.de

ltur.us

ultr.click

trul.nl

lurt.com

turl.cl

ltur.name

urtl.com

tulr.info

turl.my

turl.eu

DNS History

21 records (8 active, 13 former)

●NSmargo.ns.cloudflare.com2026-06-18 → 2026-07-19 · 2 obs

● 2026-06-18 19:36:06
● 2026-07-19 15:55:26

●NSsonia.ns.cloudflare.com2026-06-18 → 2026-07-19 · 2 obs

● 2026-06-18 19:36:06
● 2026-07-19 15:55:26

○MXeforward1.registrar-servers.com2026-06-18 → 2026-06-18 · 3 obs

● 2026-06-18 19:36:06
○ 2026-07-02 21:14:50
○ 2026-07-19 15:55:26

○MXeforward2.registrar-servers.com2026-06-18 → 2026-06-18 · 3 obs

● 2026-06-18 19:36:06
○ 2026-07-02 21:14:50
○ 2026-07-19 15:55:26

○MXeforward3.registrar-servers.com2026-06-18 → 2026-06-18 · 3 obs

● 2026-06-18 19:36:06
○ 2026-07-02 21:14:50
○ 2026-07-19 15:55:26

○MXeforward4.registrar-servers.com2026-06-18 → 2026-06-18 · 3 obs

● 2026-06-18 19:36:06
○ 2026-07-02 21:14:50
○ 2026-07-19 15:55:26

○MXeforward5.registrar-servers.com2026-06-18 → 2026-06-18 · 3 obs

● 2026-06-18 19:36:06
○ 2026-07-02 21:14:50
○ 2026-07-19 15:55:26

●MXmx1.alias.proton.me2026-07-02 → 2026-07-19 · 3 obs

○ 2026-06-18 19:36:06
● 2026-07-02 21:14:50
● 2026-07-19 15:55:26

●MXmx2.alias.proton.me2026-07-02 → 2026-07-19 · 3 obs

○ 2026-06-18 19:36:06
● 2026-07-02 21:14:50
● 2026-07-19 15:55:26

●A104.21.78.1762026-06-26 → 2026-07-19 · 5 obs

○ 2026-06-18 20:06:48
● 2026-06-26 21:29:58
○ 2026-07-02 21:14:50
● 2026-07-08 19:21:16
● 2026-07-19 15:55:26

●A172.67.136.362026-06-26 → 2026-07-19 · 5 obs

○ 2026-06-18 20:06:48
● 2026-06-26 21:29:58
○ 2026-07-02 21:14:50
● 2026-07-08 19:21:16
● 2026-07-19 15:55:26

○A188.114.96.02026-06-18 → 2026-07-02 · 6 obs

○ 2026-06-18 19:36:06
● 2026-06-18 20:06:48
○ 2026-06-26 21:29:58
● 2026-07-02 22:05:18
○ 2026-07-08 19:21:16
○ 2026-07-19 15:55:26

○A188.114.96.42026-06-18 → 2026-07-02 · 5 obs

● 2026-06-18 19:36:06
○ 2026-06-18 20:06:48
● 2026-07-02 21:14:50
○ 2026-07-02 22:05:18
○ 2026-07-19 15:55:26

○A188.114.97.02026-06-18 → 2026-07-02 · 6 obs

○ 2026-06-18 19:36:06
● 2026-06-18 20:06:48
○ 2026-06-26 21:29:58
● 2026-07-02 22:05:18
○ 2026-07-08 19:21:16
○ 2026-07-19 15:55:26

○A188.114.97.42026-06-18 → 2026-07-02 · 5 obs

● 2026-06-18 19:36:06
○ 2026-06-18 20:06:48
● 2026-07-02 21:14:50
○ 2026-07-02 22:05:18
○ 2026-07-19 15:55:26

●A2606:4700:3035::ac43:88242026-06-26 → 2026-07-19 · 5 obs

○ 2026-06-18 20:06:48
● 2026-06-26 21:29:58
○ 2026-07-02 21:14:50
● 2026-07-08 19:21:16
● 2026-07-19 15:55:26

●A2606:4700:3037::6815:4eb02026-06-26 → 2026-07-19 · 5 obs

○ 2026-06-18 20:06:48
● 2026-06-26 21:29:58
○ 2026-07-02 21:14:50
● 2026-07-08 19:21:16
● 2026-07-19 15:55:26

○A2a06:98c1:3120::2026-06-18 → 2026-07-02 · 6 obs

○ 2026-06-18 19:36:06
● 2026-06-18 20:06:48
○ 2026-06-26 21:29:58
● 2026-07-02 22:05:18
○ 2026-07-08 19:21:16
○ 2026-07-19 15:55:26

○A2a06:98c1:3120::42026-06-18 → 2026-07-02 · 5 obs

● 2026-06-18 19:36:06
○ 2026-06-18 20:06:48
● 2026-07-02 21:14:50
○ 2026-07-02 22:05:18
○ 2026-07-19 15:55:26

○A2a06:98c1:3121::2026-06-18 → 2026-07-02 · 6 obs

○ 2026-06-18 19:36:06
● 2026-06-18 20:06:48
○ 2026-06-26 21:29:58
● 2026-07-02 22:05:18
○ 2026-07-08 19:21:16
○ 2026-07-19 15:55:26

○A2a06:98c1:3121::42026-06-18 → 2026-07-02 · 5 obs

● 2026-06-18 19:36:06
○ 2026-06-18 20:06:48
● 2026-07-02 21:14:50
○ 2026-07-02 22:05:18
○ 2026-07-19 15:55:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
lutr.dev	margo.ns.cloudflare.com, sonia.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.190

NS records: margo.ns.cloudflare.com, sonia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lutr.dev (unsigned zone)

⏱️ Timing

Total: 1434ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.78.176, 172.67.136.36`
AAAA	2	`2606:4700:3035::ac43:8824, 2606:4700:3037::6815:4eb0`
NS	2	`margo.ns.cloudflare.com, sonia.ns.cloudflare.com`
MX	2	`mx1.alias.proton.me (pri: 10), mx2.alias.proton.me (pri: 20)`
TXT	3	`google-site-verification=qXnmjYuNxJO7cBy, pm-verification=efmzfhhoodxhjycxqmelxpto...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`margo.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

The domain www.lutr.dev falls under the parent lutr.dev.

IP Addresses

lutr.dev directs to four IP numbers, which are 104.21.78.176, 172.67.136.36, 2606:4700:3035::ac43:8824 and 2606:4700:3037::6815:4eb0.

oyemexico.com, suixinwan.net, kinetic.lu plus two other host names have IP numbers in common with lutr.dev.

Name Servers

DNS delegation for lutr.dev points to two name servers: margo.ns.cloudflare.com and sonia.ns.cloudflare.com.

The name server configuration of lutr.dev is shared with other domains, for instance calyphorenda.com, metroeastdisposal.com, travenoxirid.com and two others.

At least some of lutr.dev's name servers are shared with other domains, for example amortitle.com, snail.is, texasngvalliance.com and two more.

These name servers tend to be used in conjunction with the name servers adam.ns.cloudflare.com.

Hosts with 6 IP addresses each:

margo.ns.cloudflare.com has IP addresses 108.162.195.144, 162.159.44.144 and 172.64.35.144, plus 3 other.

sonia.ns.cloudflare.com has IP addresses 108.162.194.190, 162.159.38.190 and 172.64.34.190, plus 3 other.

Mail Servers

lutr.dev uses two mail servers, mx1.alias.proton.me and mx2.alias.proton.me.

The mail server setup of lutr.dev matches that of other domains such as istat.cc, ricktor.com, remotely.tech and two others.

At least some of the mail servers used by lutr.dev are shared with other domains: northwesthermit.com, leedsunited.org, samturco.com and two others among them.

It is common to find these mail servers used together with the mail servers mail.protonmail.ch and mailsec.protonmail.ch.

mx1.alias.proton.me resolves to 176.119.200.136 and 185.205.70.136; mx2.alias.proton.me resolves to the same two IP addresses: 176.119.200.136 and 185.205.70.136.

Host names pointing to 176.119.200.136 IP addresses: mx1.alias.proton.me and mx2.alias.proton.me.

Host names pointing to 185.205.70.136 IP addresses: mx1.alias.proton.me and mx2.alias.proton.me.

lutr.dev - robtex.com

lutr.dev

dev

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`lutr.dev`

`dev`