mdr.dev - dns.ninja

`mdr.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:15eb^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:c968^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.235^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.201.104^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ernest.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ernest.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ernest.ns.cloudflare.com`
		A	108.162.193.164^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
		A	172.64.33.164^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
		A	173.245.59.164^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
NS	`gwen.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gwen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gwen.ns.cloudflare.com`
		A	108.162.192.160^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	172.64.32.160^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	173.245.58.160^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.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	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
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}
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
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}
TXT	`google-site-verification=Hf0vN8AxJkGpcsuQh5R_nJPryuaXuGiP29rBN5KssTE`
TXT	`v=spf1 include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.235, 172.67.201.104
		IPv6 hints	2606:4700:3030::6815:15eb, 2606:4700:3030::ac43:c968
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=69, name=cloudflare-ech.com
SOA	`ernest.ns.cloudflare.com`dns@cloudflare.com serial=2406070264

`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

mdr.co

mdr.dev

mdr.com.mx

mdr.org.tr

mdr.be

mdr.cc

mdr.pt

mdr.org.uk

mdr.gov.mr

mdr.com

mdr.me

mdr.de

mdr.co.nz

mdr.fi

mdr.ch

mdr.us

mdr.nz

mdr.ms

mdr.ru

mdr.se

mdr.email

mdr.eu

mdr.mobi

mdr.hu

mdr.lu

mdr.jp

mdr.by

mdr.world

mdr.com.tw

mdr.london

mdr.ph

mdr.fyi

mdr.com.sa

mdr.gov.br

mdr.ro

mdr.org

mdr.ie

mdr.ca

mdr.homeip.net

mdr.to

mdr.kz

mdr.net

mdr.nu

mdr.la

mdr.bz

mdr.ir

mdr.ma

mdr.buzz

mdr.it

mdr.co.uk

mdr.at

mdr.limited

mdr.com.br

mdr.ac

mdr.no

mdr.io

mdr.mx

mdr.pl

mdr.nl

mdr.tw

mdr.ar

mdr.agency

mdr.info

mdr.sk

Similar names

rdm.ro

mrd.studio

mrd.gov.ua

dmr.am

rmd.co.at

drm.tech

mrd.co.nz

mrd.net.br

drm.net.cn

mrd.info

drm.org

dmr.co.in

mrd.sakura.ne.jp

drm.es

rdm.io

dmr.as

dmr.ch

mrd.mobi

rdm.hr

drm.fr

drm.services

drm.com.mx

dmr.ru

rdm.law

rdm.us

mrd.net.nz

dmr.cn

drm.solutions

rdm.be

rmd.sk

drm.ie

rmd.me

dmr.spb.ru

rmd.org

drm.media

mrd.gov.gh

rdm.ch

mrd.hu

dmr.systems

rmd.pt

rdm.dk

rmd.co

rdm.id.au

dmr.gr

drm.productions

drm.net

dmr.de

rdm.mobi

rdm.es

dmr.tools

drm.support

mrd.com.sg

rmd.com.au

rdm.az

rdm.ru

drm.co.nz

dmr.id

dmr.su

dmr.be

rmd.com.br

drm.com

rdm.org

rdm.com.tw

rdm.dev

drm.gr.jp

rdm.st

drm.one

dmr.es

dmr.bg

drm.com.sg

drm.ch

rmd.ru

rmd.kiwi

dmr.org.tw

mrd.us

rmd.ae

drm.team

dmr.ca

mrd.london

drm.center

mrd.in

rdm.agency

rdm.kz

mrd.ru

dmr.pl

DNS History

19 records (11 active, 8 former)

●NSernest.ns.cloudflare.com2026-06-14 → 2026-06-29 · 3 obs

○ 2021-11-02 01:49:38
● 2026-06-14 14:14:20
● 2026-06-29 20:03:18

●NSgwen.ns.cloudflare.com2026-06-14 → 2026-06-29 · 3 obs

○ 2021-11-02 01:49:38
● 2026-06-14 14:14:20
● 2026-06-29 20:03:18

○NSns-cloud-e1.googledomains.com2021-11-02 → 2021-11-02 · 3 obs

● 2021-11-02 01:49:38
○ 2026-06-14 14:14:20
○ 2026-06-29 20:03:18

○NSns-cloud-e2.googledomains.com2021-11-02 → 2021-11-02 · 3 obs

● 2021-11-02 01:49:38
○ 2026-06-14 14:14:20
○ 2026-06-29 20:03:18

○NSns-cloud-e3.googledomains.com2021-11-02 → 2021-11-02 · 3 obs

● 2021-11-02 01:49:38
○ 2026-06-14 14:14:20
○ 2026-06-29 20:03:18

○NSns-cloud-e4.googledomains.com2021-11-02 → 2021-11-02 · 3 obs

● 2021-11-02 01:49:38
○ 2026-06-14 14:14:20
○ 2026-06-29 20:03:18

●MXalt1.aspmx.l.google.com2026-06-14 → 2026-06-29 · 3 obs

○ 2021-11-02 01:49:38
● 2026-06-14 14:14:20
● 2026-06-29 20:03:18

●MXalt2.aspmx.l.google.com2026-06-14 → 2026-06-29 · 3 obs

○ 2021-11-02 01:49:38
● 2026-06-14 14:14:20
● 2026-06-29 20:03:18

●MXalt3.aspmx.l.google.com2026-06-14 → 2026-06-29 · 3 obs

○ 2021-11-02 01:49:38
● 2026-06-14 14:14:20
● 2026-06-29 20:03:18

●MXalt4.aspmx.l.google.com2026-06-14 → 2026-06-29 · 3 obs

○ 2021-11-02 01:49:38
● 2026-06-14 14:14:20
● 2026-06-29 20:03:18

●MXaspmx.l.google.com2026-06-14 → 2026-06-29 · 3 obs

○ 2021-11-02 01:49:38
● 2026-06-14 14:14:20
● 2026-06-29 20:03:18

○MXyour-dns-needs-immediate-attention.dev2016-01-20 → 2017-04-18 · 4 obs

● 2016-01-20 21:43:40
● 2017-04-18 10:06:42
○ 2021-11-02 01:49:38
○ 2026-06-29 20:03:18

●A104.21.21.2352026-06-14 → 2026-06-29 · 3 obs

○ 2021-11-02 01:49:38
● 2026-06-14 14:14:20
● 2026-06-29 20:03:18

○A127.0.53.532016-01-20 → 2017-04-18 · 4 obs

● 2016-01-20 21:43:40
● 2017-04-18 10:06:42
○ 2021-11-02 01:49:38
○ 2026-06-29 20:03:18

●A172.67.201.1042026-06-14 → 2026-06-29 · 3 obs

○ 2021-11-02 01:49:38
● 2026-06-14 14:14:20
● 2026-06-29 20:03:18

●A2606:4700:3030::6815:15eb2026-06-29 → 2026-06-29 · 2 obs

○ 2026-06-15 12:23:06
● 2026-06-29 20:03:18

●A2606:4700:3030::ac43:c9682026-06-29 → 2026-06-29 · 2 obs

○ 2026-06-15 12:23:06
● 2026-06-29 20:03:18

○A2606:4700:3031::6815:15eb2026-06-14 → 2026-06-15 · 4 obs

○ 2021-11-02 01:49:38
● 2026-06-14 14:14:20
● 2026-06-15 12:23:06
○ 2026-06-29 20:03:18

○A2606:4700:3035::ac43:c9682026-06-14 → 2026-06-15 · 4 obs

○ 2021-11-02 01:49:38
● 2026-06-14 14:14:20
● 2026-06-15 12:23:06
○ 2026-06-29 20:03:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
mdr.dev	ernest.ns.cloudflare.com, gwen.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.160

NS records: ernest.ns.cloudflare.com, gwen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mdr.dev (unsigned zone)

⏱️ Timing

Total: 1993ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.201.104, 104.21.21.235`
AAAA	2	`2606:4700:3030::6815:15eb, 2606:4700:3030::ac43:c968`
NS	2	`ernest.ns.cloudflare.com, gwen.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=Hf0vN8AxJkGpcsu, v=spf1 include:_spf.google.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ernest.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 10

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

Analysis

IP Addresses

mdr.dev points to the four IP addresses 104.21.21.235, 172.67.201.104, 2606:4700:3030::6815:15eb and 2606:4700:3030::ac43:c968.

Among the host names that share IP numbers with mdr.dev are nightime.org, felix.codes, ns3.mjjdesigns.net and two others.

Name Servers

DNS delegation for mdr.dev points to two name servers: ernest.ns.cloudflare.com and gwen.ns.cloudflare.com.

mdr.dev has the same name server delegation as a number of other domains, such as copywriting.com.ua, maxpox.com, afghansonglyrics.com and two more.

There is at least partial name server overlap between mdr.dev and other domains — kadinkotatenggarong.org, spi-westport.com, publicdisgrace.com and two more among them.

The name servers coco.ns.cloudflare.com, theo.ns.cloudflare.com and chip.ns.cloudflare.com are often found in combination with these name servers.

Host names resolving to 6 IP numbers:

ernest.ns.cloudflare.com has IP addresses 108.162.193.164, 172.64.33.164 and 173.245.59.164, plus 3 other.

gwen.ns.cloudflare.com has IP addresses 108.162.192.160, 172.64.32.160 and 173.245.58.160, plus 3 other.

Mail Servers

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

mdr.dev shares at least some of its mail servers with other domains — for example ns500698.ns500759.ns500758.ns500736.ns500736.ns500736.ns500708.ns500576.ns500576.ns500576.ns500619.ns500652.trackreceptor.com, legendaryarms.com, deltahub.io and two more.

It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.

Hosts with two IP numbers each:

aspmx.l.google.com has two IP addresses: 142.251.16.27 and 2607:f8b0:4004:c17::1a.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.