jr.dev - dns.ninja

`jr.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c326^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:ca1^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.12.161^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.38^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ed.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ed.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ed.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ed.ns.cloudflare.com`
		A	108.162.193.111^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ed.ns.cloudflare.com`
		A	172.64.33.111^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ed.ns.cloudflare.com`
		A	173.245.59.111^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ed.ns.cloudflare.com`
NS	`mary.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mary.ns.cloudflare.com`
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`google-site-verification=_YlBL5IA--UnkEAOq90v2oInfbLuOQDGnXHBtjbgZ5Q`
TXT	`keybase-site-verification=_mTrW3oDjFNGn4w6MgODofcAVJkHwYuEnZAAWSaYfbY`
TXT	`proven.lol/fdc312`
TXT	`v=spf1 include:spf.messagingengine.com include:mailgun.org ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.12.161, 172.67.195.38
		IPv6 hints	2606:4700:3030::ac43:c326, 2606:4700:3034::6815:ca1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=61, name=cloudflare-ech.com
SOA	`ed.ns.cloudflare.com`dns@cloudflare.com serial=2410370548

`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

code.jr.dev

Same first word

jr.dev

jr.lt

jr.pt

jr.jo

jr.no

jr.cc

jr.ac.th

jr.pro.br

jr.cm

jr.hockey

jr.sg

jr.ru

jr.cz

jr.lv

jr.co.za

jr.md

jr.technology

jr.fi

jr.co.nz

jr.com.au

jr.eti.br

jr.nu

jr.hl.cn

jr.jor.br

jr.dk

jr.adv.br

jr.be

jr.org

jr.js.cn

jr.construction

jr.bz

jr.to

jr.gx.cn

jr.email

jr.co.il

jr.se

jr.tv

jr.com.pe

jr.top

jr.com

jr.com.sg

jr.de

jr.eu

jr.org.uk

jr.cx

jr.ro

jr.ee

jr.cool

jr.la

jr.co.th

jr.gl

jr.biz

jr.associates

jr.gd.cn

jr.capital

jr.cn

jr.golf

jr.sk

jr.is

jr.su

jr.vc

jr.my

jr.co

jr.pl

jr.net.au

Similar names

rj.money

rj.cc

rj.am

rj.be

rj.gov.br

rj.fish

rj.link

rj.cn

rj.kz

rj.sk

rj.cx

rj.com.tw

rj.se

rj.app

rj.run

rj.business

rj.fi

rj.no

rj.nu

rj.my

rj.co

rj.si

rj.cl

rj.or.kr

rj.fyi

rj.ca

rj.co.uk

rj.tj

rj.pl

rj.org.ua

rj.com

rj.duckdns.org

rj.leg.br

rj.com.hk

rj.net

rj.dk

rj.is

rj.ru

rj.com.au

rj.org

rj.biz

rj.style

rj.def.br

rj.nl

rj.la

rj.by

rj.cz

rj.ag

rj.vip

rj.mk

rj.lv

rj.glass

rj.net.cn

DNS History

16 records (8 active, 8 former)

●NSed.ns.cloudflare.com2026-02-19 → 2026-07-24 · 2 obs

● 2026-02-19 00:15:30
● 2026-07-24 22:40:48

●NSmary.ns.cloudflare.com2026-02-19 → 2026-07-24 · 2 obs

● 2026-02-19 00:15:30
● 2026-07-24 22:40:48

●MXin1-smtp.messagingengine.com2026-02-19 → 2026-07-24 · 3 obs

○ 2017-01-07 07:02:44
● 2026-02-19 00:15:30
● 2026-07-24 22:40:48

●MXin2-smtp.messagingengine.com2026-02-19 → 2026-07-24 · 3 obs

○ 2017-01-07 07:02:44
● 2026-02-19 00:15:30
● 2026-07-24 22:40:48

○MXyour-dns-needs-immediate-attention.dev2017-01-07 → 2017-01-07 · 3 obs

● 2017-01-07 07:02:44
○ 2026-02-19 00:15:30
○ 2026-07-24 22:40:48

●A104.21.12.1612026-03-01 → 2026-07-24 · 19 obs

○ 2026-02-19 00:15:30
○ 2026-02-19 07:02:04
● 2026-03-01 18:24:54
○ 2026-03-07 16:47:46
● 2026-03-10 11:57:24
● 2026-03-25 17:17:26
○ 2026-03-27 05:24:46
● 2026-03-30 07:38:08
● 2026-04-03 00:41:18
○ 2026-04-14 20:50:36
● 2026-04-20 11:10:16
○ 2026-04-24 07:03:32
● 2026-04-26 01:03:08
● 2026-06-01 08:05:46
○ 2026-06-03 16:18:46
● 2026-06-10 19:58:40
○ 2026-06-23 18:30:42
● 2026-07-10 02:11:10
● 2026-07-24 22:40:48

○A127.0.53.532017-01-07 → 2017-01-07 · 3 obs

● 2017-01-07 07:02:44
○ 2026-02-19 00:15:30
○ 2026-07-24 22:40:48

●A172.67.195.382026-03-01 → 2026-07-24 · 19 obs

○A188.114.96.02026-02-19 → 2026-06-23 · 20 obs

○ 2017-01-07 07:02:44
● 2026-02-19 00:15:30
● 2026-02-19 07:02:04
○ 2026-03-01 18:24:54
● 2026-03-07 16:47:46
○ 2026-03-10 11:57:24
○ 2026-03-25 17:17:26
● 2026-03-27 05:24:46
○ 2026-03-30 07:38:08
○ 2026-04-03 00:41:18
● 2026-04-14 20:50:36
○ 2026-04-20 11:10:16
● 2026-04-24 07:03:32
○ 2026-04-26 01:03:08
○ 2026-06-01 08:05:46
● 2026-06-03 16:18:46
○ 2026-06-10 19:58:40
● 2026-06-23 18:30:42
○ 2026-07-10 02:11:10
○ 2026-07-24 22:40:48

○A188.114.97.02026-02-19 → 2026-06-23 · 20 obs

●A2606:4700:3030::ac43:c3262026-07-10 → 2026-07-24 · 3 obs

○ 2026-06-23 18:30:42
● 2026-07-10 02:11:10
● 2026-07-24 22:40:48

●A2606:4700:3034::6815:ca12026-07-10 → 2026-07-24 · 3 obs

○ 2026-06-23 18:30:42
● 2026-07-10 02:11:10
● 2026-07-24 22:40:48

○A2606:4700:3034::ac43:c3262026-03-01 → 2026-06-10 · 18 obs

○A2606:4700:3035::6815:ca12026-03-01 → 2026-06-10 · 18 obs

○A2a06:98c1:3120::2026-02-19 → 2026-06-23 · 20 obs

○A2a06:98c1:3121::2026-02-19 → 2026-06-23 · 20 obs

🔍 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
jr.dev	ed.ns.cloudflare.com, mary.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.134

NS records: ed.ns.cloudflare.com, mary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jr.dev (unsigned zone)

⏱️ Timing

Total: 747ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.12.161, 172.67.195.38`
AAAA	2	`2606:4700:3030::ac43:c326, 2606:4700:3034::6815:ca1`
NS	2	`ed.ns.cloudflare.com, mary.ns.cloudflare.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	4	`google-site-verification=_YlBL5IA--UnkEA, keybase-site-verification=_mTrW3oDjFNGn4...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ed.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 10

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

Analysis

Hierarchy

jr.dev is the parent zone for code.jr.dev.

IP Addresses

jr.dev resolves to four IP addresses: 104.21.12.161, 172.67.195.38, 2606:4700:3030::ac43:c326 and 2606:4700:3034::6815:ca1.

Two other host names, along with operathor.com, glorion-fr.fr and telegram-verification.org, also share IP numbers with jr.dev.

Name Servers

jr.dev is served by two delegated name servers, ed.ns.cloudflare.com and mary.ns.cloudflare.com.

jr.dev shares its NS records with other domains, for example infinityappliancesatx.com, wynings.com, senscritique.net and two others.

jr.dev partially shares its NS delegation with several other domains, including westcountrytech.co.uk, cherrypopgames.com, theilmfoundation.cloud and two others.

These name servers often co-occur with the name servers damon.ns.cloudflare.com.

DNS names with 6 IP addresses:

ed.ns.cloudflare.com carries IP addresses 108.162.193.111, 172.64.33.111 and 173.245.59.111, with 3 other addresses beyond those.

mary.ns.cloudflare.com carries IP addresses 108.162.192.134, 172.64.32.134 and 173.245.58.134, with 3 other addresses beyond those.

Mail Servers

jr.dev is served by two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

Among the domains sharing a mail server setup with jr.dev are proce55ing.com, doylenet.net, podvita.com and two others.

At least a portion of jr.dev's mail servers are also used by other domains, for example jsrsoft.co.uk.

DNS names with 8 IP addresses:

in1-smtp.messagingengine.com carries IP addresses 103.168.172.216, 103.168.172.217 and 103.168.172.218, with 5 other addresses beyond those.

Host names that resolve to four IP numbers:

in2-smtp.messagingengine.com maps to the following IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.