3mr.dev - dns.ninja

`3mr.dev`

DNSSEC	⚠️ Not signed
A	91.204.209.18^{🇬🇧 ENIXLTD91.204.208.0/22 RackSRV KSP Route Object}
NS	`ns1.hostns.io` ⭐ ⚠️ Not in parent delegation
		A	75.2.86.204^{🇺🇸 Amazon75.2.80.0/20}
			PTR	`a40296d1acd960697.awsglobalaccelerator.com`
NS	`ns1.bestwebhosting.top` ⚠️ Not in zone NS records
		A	75.2.86.204^{🇺🇸 Amazon75.2.80.0/20}
			PTR	`a40296d1acd960697.awsglobalaccelerator.com`
NS	`ns2.bestwebhosting.top` ⚠️ Not in zone NS records
		A	166.117.220.151^{🇺🇸 Amazon166.117.208.0/20}
			PTR	`a40296d1acd960697.awsglobalaccelerator.com`
NS	`ns2.hostns.io` ⚠️ Not in parent delegation
		A	166.117.220.151^{🇺🇸 Amazon166.117.208.0/20}
			PTR	`a40296d1acd960697.awsglobalaccelerator.com`
MX	`3mr.dev` ⭐
		A	91.204.209.18^{🇬🇧 ENIXLTD91.204.208.0/22 RackSRV KSP Route Object}
TXT	`v=spf1 ip4:91.204.209.18 ip4:109.70.148.49 ip4:81.19.215.4 +a +mx include:rel...`
TXT	`google-site-verification=YLLKoN2ak5MK6ZP4JWpKkWl9fcIKlDC41nXLY5XQejc`
SOA	`ns1.hostns.io`alerting@hostns.io 2026-07-05 #3

`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)

Previously MX for

3mr.dev

Subdomains

mail.3mr.dev

20.3mr.dev

Same first word

3mr.com

3mr.me

3mr.fr

3mr.org

3mr.io

3mr.cn

3mr.dev

3mr.it

3mr.us

3mr.net

3mr.de

3mr.ru

Similar names

3rm.co.jp

mr3.nl

mr3.it

r3m.se

mr3.hu

rm3.nl

r3m.fr

rm3.me

rm3.cn

m3r.de

mr3.space

mr3.pw

3rm.ru

rm3.tv

r3m.com

r3m.com.mx

3rm.com

m3r.ru

3rm.cn

mr3.us

m3r.com

rm3.eu

r3m.pt

m3r.me

rm3.biz

r3m.info

rm3.se

3rm.co

mr3.de

mr3.ru

m3r.nl

r3m.net

r3m.de

m3r.info

mr3.com

r3m.co

rm3.net

rm3.com.br

r3m.mx

rm3.org

r3m.ca

rm3.de

mr3.org

mr3.pl

rm3.ru

mr3.biz

r3m.com.br

rm3.com

r3m.it

mr3.cz

rm3.info

rm3.co

3rm.info

rm3.us

m3r.com.br

r3m.ru

r3m.co.uk

3rm.top

r3m.ir

rm3.mobi

m3r.fr

mr3.cn

mr3.net

3rm.com.au

mr3.info

m3r.se

3rm.de

rm3.it

m3r.eu

mr3.io

r3m.org

DNS History

8 records (6 active, 2 former)

●NSns1.bestwebhosting.top2026-02-17 → 2026-07-05 · 3 obs

○ 2019-12-21 22:57:02
● 2026-02-17 13:14:06
● 2026-07-05 13:07:12

●NSns1.hostns.io2026-02-17 → 2026-07-05 · 3 obs

○ 2019-12-21 22:57:02
● 2026-02-17 13:14:06
● 2026-07-05 13:07:12

○NSns1.wevrlabs.net2019-12-21 → 2019-12-21 · 3 obs

● 2019-12-21 22:57:02
○ 2026-02-17 13:14:06
○ 2026-07-05 13:07:12

●NSns2.bestwebhosting.top2026-02-17 → 2026-07-05 · 3 obs

○ 2019-12-21 22:57:02
● 2026-02-17 13:14:06
● 2026-07-05 13:07:12

●NSns2.hostns.io2026-02-17 → 2026-07-05 · 3 obs

○ 2019-12-21 22:57:02
● 2026-02-17 13:14:06
● 2026-07-05 13:07:12

●MX3mr.dev2019-12-21 → 2026-07-05 · 5 obs

● 2019-12-21 22:57:02
● 2026-05-28 14:46:38
○ 2026-06-22 22:36:16
● 2026-07-05 13:07:08
● 2026-07-05 13:07:12

○A81.19.215.42019-12-21 → 2019-12-21 · 3 obs

● 2019-12-21 22:57:02
○ 2026-02-17 13:14:06
○ 2026-07-05 13:07:12

●A91.204.209.182026-02-17 → 2026-07-05 · 3 obs

○ 2019-12-21 22:57:02
● 2026-02-17 13:14:06
● 2026-07-05 13:07:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
3mr.dev	ns1.bestwebhosting.top, ns2.bestwebhosting.top	-

✅ Authoritative Response

Server:75.2.86.204

NS records: ns1.bestwebhosting.top, ns2.bestwebhosting.top

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3mr.dev (unsigned zone)

⏱️ Timing

Total: 534ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.204.209.18`
NS	2	`ns2.hostns.io, ns1.hostns.io`
MX	1	`3mr.dev (pri: 0)`
TXT	2	`v=spf1 ip4:91.204.209.18 ip4:109.70.148., google-site-verification=YLLKoN2ak5MK6ZP`
SOA	1	`ns1.hostns.io alerting.hostns.io`

Analysis

Hierarchy

The parent domain of mail.3mr.dev and 20.3mr.dev is 3mr.dev.

IP Addresses

3mr.dev directs to one IP number, which is 91.204.209.18.

Among the host names that share IP numbers with 3mr.dev are superformula.co.uk, nakit.eu, mlduk.com and two others.

Name Servers

The domain 3mr.dev is delegated to these four name servers: ns1.hostns.io, ns2.hostns.io, ns1.bestwebhosting.top and ns2.bestwebhosting.top.

At least some of 3mr.dev's name servers are shared with other domains, for example confluenti.com, visit251.com, bezaethiopia.org and two more.

These name servers tend to co-occur with ns1.cloudns.io, ns2.cloudns.io, ns1.cweb.hu and 7 other name servers in the same DNS delegations.

ns1.hostns.io, ns2.hostns.io, ns1.bestwebhosting.top and ns2.bestwebhosting.top each point to exactly one IP address. ns1.hostns.io directs to 75.2.86.204, ns2.hostns.io directs to 166.117.220.151, ns1.bestwebhosting.top directs to 75.2.86.204 and ns2.bestwebhosting.top directs to 166.117.220.151. Two pairs share an IP: ns1.hostns.io and ns1.bestwebhosting.top share 75.2.86.204, and ns2.hostns.io and ns2.bestwebhosting.top share 166.117.220.151.

ns1.hostns.io and ns1.bestwebhosting.top are host names that each point to 75.2.86.204 IP addresses.

ns2.hostns.io and ns2.bestwebhosting.top are host names that each point to 166.117.220.151 IP addresses.

Mail Servers

The MX record for 3mr.dev points to a single mail server: 3mr.dev.

3mr.dev resolves to a single IP number: 91.204.209.18.