coder.us - dns.ninja

`coder.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4d5^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:8481^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.213^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.132.129^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`emerie.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2673^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c273^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emerie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2273^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emerie.ns.cloudflare.com`
		A	108.162.194.115^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
		A	162.159.38.115^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
		A	172.64.34.115^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
NS	`houston.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c34^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c334^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`houston.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2334^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`houston.ns.cloudflare.com`
		A	108.162.195.52^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	162.159.44.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	172.64.35.52^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
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}
			PTR	`dj-in-f26.1e100.net`
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}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.213, 172.67.132.129
		IPv6 hints	2606:4700:3032::6815:4d5, 2606:4700:3033::ac43:8481
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=168, name=cloudflare-ech.com
SOA	`emerie.ns.cloudflare.com`dns@cloudflare.com serial=2404921522

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1780931705

Subdomains

www.coder.us

Same first word

coder.me

coder.nu

coder.us

coder.org.ua

coder.app

coder.wtf

coder.mx

coder.ly

coder.ai

coder.academy

coder.onl

coder.fyi

coder.net

coder.ie

coder.to

coder.land

coder.be

coder.az

coder.com.vn

coder.town

coder.pm

coder.tv

coder.com

coder.ro

coder.nl

coder.show

coder.social

coder.am

coder.co.jp

coder.lt

coder.io

coder.tw

coder.co.za

coder.com.my

coder.ru

coder.camp

coder.or.jp

coder.su

coder.com.pe

coder.ch

coder.gg

coder.market

coder.world

coder.lv

coder.ca

coder.cz

coder.pl

coder.today

coder.co

coder.mobi

coder.zone

coder.solutions

coder.works

coder.science

coder.school

coder.altervista.org

coder.life

coder.dog

coder.guru

coder.sg

coder.co.nz

coder.at

coder.ovh

coder.sh

coder.band

coder.tools

coder.moe

coder.hu

coder.college

coder.one

coder.coffee

coder.ac.cn

coder.uz

coder.work

coder.haus

coder.es

coder.si

coder.pt

coder.la

coder.cl

coder.agency

coder.hr

coder.fi

Similar names

derco.nl

credo.nu

decor.ru

decor.ro

croed.com

credo.education

dreco.ir

decor.cn

cdroe.co.uk

recod.net

redoc.de

rcode.cn

corde.nl

cedro.cz

cedro.com.br

decor.cloud

decor.com.ar

credo.info

cerdo.org

ocder.com

decro.net

cedro.org

credo.be

cedro.biz

redco.cn

credo.com.br

erdoc.org

redco.com

decor.nl

docer.de

decor.zone

derco.com.br

docer.com

decor.company

cedro.ce.gov.br

cored.eu

cored.org

cedor.pl

derco.sk

cored.net

decor.yachts

decor.am

credo.ge

edocr.com

rcode.co.kr

decor.md

credo.co.at

credo.fm

derco.ru

credo.lv

rcode.de

dreco.com

cdoer.com

credo.tel

docer.com.cn

decor.no

docer.pl

credo.edu.pk

corde.com.au

dcore.net

credo.ca

redco.it

decor.today

corde.ru

credo.org.pl

credo.bf

redoc.co

ecord.cz

decor.catering

cored.it

ecord.com

redco.co

derco.com.co

crode.net

derco.ca

dcore.ru

decor.fi

credo.amsterdam

derco.net

DNS History

23 records (11 active, 12 former)

●NSemerie.ns.cloudflare.com2026-03-03 → 2026-06-08 · 3 obs

○ 2016-07-23 02:27:32
● 2026-03-03 17:54:54
● 2026-06-08 15:42:52

●NShouston.ns.cloudflare.com2026-03-03 → 2026-06-08 · 3 obs

○ 2016-07-23 02:27:32
● 2026-03-03 17:54:54
● 2026-06-08 15:42:52

○NSns1.fastsecurehost.com2015-06-01 → 2016-07-23 · 4 obs

● 2015-06-01 17:50:18
● 2016-07-23 02:27:32
○ 2026-03-03 17:54:54
○ 2026-06-08 15:42:52

○NSns2.fastsecurehost.com2015-06-01 → 2016-07-23 · 4 obs

● 2015-06-01 17:50:18
● 2016-07-23 02:27:32
○ 2026-03-03 17:54:54
○ 2026-06-08 15:42:52

○NSns3.fastsecurehost.com2015-06-01 → 2016-07-23 · 4 obs

● 2015-06-01 17:50:18
● 2016-07-23 02:27:32
○ 2026-03-03 17:54:54
○ 2026-06-08 15:42:52

●MXalt1.aspmx.l.google.com2015-06-01 → 2026-06-08 · 2 obs

● 2015-06-01 17:50:18
● 2026-06-08 15:42:52

●MXalt2.aspmx.l.google.com2015-06-01 → 2026-06-08 · 2 obs

● 2015-06-01 17:50:18
● 2026-06-08 15:42:52

●MXalt3.aspmx.l.google.com2015-06-01 → 2026-06-08 · 2 obs

● 2015-06-01 17:50:18
● 2026-06-08 15:42:52

●MXalt4.aspmx.l.google.com2015-06-01 → 2026-06-08 · 2 obs

● 2015-06-01 17:50:18
● 2026-06-08 15:42:52

●MXaspmx.l.google.com2015-06-01 → 2026-06-08 · 2 obs

● 2015-06-01 17:50:18
● 2026-06-08 15:42:52

●A104.21.4.2132026-03-13 → 2026-06-08 · 13 obs

○ 2026-03-03 17:54:54
● 2026-03-13 23:50:54
● 2026-04-15 04:22:16
○ 2026-04-30 16:03:56
● 2026-05-02 04:13:18
● 2026-05-25 03:16:20
○ 2026-05-31 03:08:50
● 2026-05-31 20:05:38
● 2026-06-06 22:32:50
○ 2026-06-06 23:20:30
○ 2026-06-07 02:16:46
● 2026-06-08 01:35:34
● 2026-06-08 15:42:52

●A172.67.132.1292026-03-13 → 2026-06-08 · 13 obs

○A188.114.96.02026-03-03 → 2026-06-07 · 13 obs

○ 2016-07-23 02:27:32
● 2026-03-03 17:54:54
○ 2026-03-13 23:50:54
○ 2026-04-15 04:22:16
● 2026-04-30 16:03:56
○ 2026-05-02 04:13:18
○ 2026-05-25 03:16:20
● 2026-05-31 03:08:50
○ 2026-05-31 20:05:38
○ 2026-06-07 01:16:14
● 2026-06-07 02:16:46
○ 2026-06-08 01:35:34
○ 2026-06-08 15:42:52

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

○ 2026-06-06 22:32:50
● 2026-06-06 23:20:30
● 2026-06-07 01:16:14
○ 2026-06-07 02:16:46
○ 2026-06-08 15:42:52

○A188.114.97.02026-03-03 → 2026-06-07 · 13 obs

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

○ 2026-06-06 22:32:50
● 2026-06-06 23:20:30
● 2026-06-07 01:16:14
○ 2026-06-07 02:16:46
○ 2026-06-08 15:42:52

○A217.115.119.162015-06-01 → 2016-07-23 · 4 obs

● 2015-06-01 17:50:18
● 2016-07-23 02:27:32
○ 2026-03-03 17:54:54
○ 2026-06-08 15:42:52

●A2606:4700:3032::6815:4d52026-03-15 → 2026-06-08 · 13 obs

○ 2026-03-13 23:50:54
● 2026-03-15 15:14:06
● 2026-04-15 04:22:16
○ 2026-04-30 16:03:56
● 2026-05-02 04:13:18
● 2026-05-25 03:16:20
○ 2026-05-31 03:08:50
● 2026-05-31 20:05:38
● 2026-06-06 22:32:50
○ 2026-06-06 23:20:30
○ 2026-06-07 02:16:46
● 2026-06-08 01:35:34
● 2026-06-08 15:42:52

●A2606:4700:3033::ac43:84812026-03-15 → 2026-06-08 · 13 obs

○A2a06:98c1:3120::2026-03-03 → 2026-06-07 · 14 obs

○ 2016-07-23 02:27:32
● 2026-03-03 17:54:54
● 2026-03-13 23:50:54
○ 2026-03-15 15:14:06
○ 2026-04-15 04:22:16
● 2026-04-30 16:03:56
○ 2026-05-02 04:13:18
○ 2026-05-25 03:16:20
● 2026-05-31 03:08:50
○ 2026-05-31 20:05:38
○ 2026-06-07 01:16:14
● 2026-06-07 02:16:46
○ 2026-06-08 01:35:34
○ 2026-06-08 15:42:52

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

○ 2026-06-06 22:32:50
● 2026-06-06 23:20:30
● 2026-06-07 01:16:14
○ 2026-06-07 02:16:46
○ 2026-06-08 15:42:52

○A2a06:98c1:3121::2026-03-03 → 2026-06-07 · 14 obs

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

○ 2026-06-06 22:32:50
● 2026-06-06 23:20:30
● 2026-06-07 01:16:14
○ 2026-06-07 02:16:46
○ 2026-06-08 15:42:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
coder.us	houston.ns.cloudflare.com, emerie.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.115

NS records: houston.ns.cloudflare.com, emerie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coder.us (unsigned zone)

⏱️ Timing

Total: 836ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.4.213, 172.67.132.129`
AAAA	2	`2606:4700:3033::ac43:8481, 2606:4700:3032::6815:4d5`
NS	2	`emerie.ns.cloudflare.com, houston.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 include:_spf.google.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`emerie.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

coder.us is the parent zone for www.coder.us.

IP Addresses

With 4 IP addresses, coder.us directs to 104.21.4.213, 172.67.132.129, 2606:4700:3032::6815:4d5 and 2606:4700:3033::ac43:8481.

Among the host names that share IP numbers with coder.us are plablog.org, pocketroster.us, prestarea.com and two others.

Name Servers

Two name servers handle the delegation for coder.us: emerie.ns.cloudflare.com and houston.ns.cloudflare.com.

coder.us has the same name server delegation as a number of other domains, such as bj2.xyz, coderus.com, alternativerealization.com and two more.

coder.us partially shares its NS delegation with several other domains, including kapurionline.com, mtxlsi.com, aeonts.com and two others.

The name servers guss.ns.cloudflare.com, etienne.ns.cloudflare.com, blakely.ns.cloudflare.com and pearl.ns.cloudflare.com are often found in use alongside these name servers.

Host names resolving to 6 IP numbers:

The hostname emerie.ns.cloudflare.com resolves to 108.162.194.115, 162.159.38.115, 172.64.34.115 and three additional IP addresses.

The hostname houston.ns.cloudflare.com resolves to 108.162.195.52, 162.159.44.52, 172.64.35.52 and three additional IP addresses.

Mail Servers

coder.us uses 5 mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com plus two additional ones.

coder.us shares at least some of its mail servers with other domains — for example ns500765.ns500699.ns500699.ns500693.ns500693.ns500693.ns500734.ns500588.ns500588.ns500693.ns500612.ns500632.ns500110.dtrkdll.com, ns500698.ns500698.ns500698.ns500735.ns500698.ns500698.ns500735.ns500698.ns500736.ns500736.ns500576.ns500708.ns500698.ns500619.ns500619.ns500619.trackreceptor.com, ns500758.ns500759.ns500759.ns500698.ns500735.ns500735.ns500736.ns500736.ns500576.ns500708.ns500619.ns500576.trackreceptor.com and two more.

These mail servers tend to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and three additional mail servers.

Hosts with two IP numbers each:

aspmx.l.google.com resolves to two addresses: 142.251.179.27 and 2607:f8b0:4004:c21::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.

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

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

alt4.aspmx.l.google.com resolves to two addresses: 173.194.76.27 and 2a00:1450:400c:c00::1a.