`coder.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:4d5^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8481^{🇺🇸 Cloudflare2606:4700:3037::/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:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 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::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.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	2606:4700:3034::6815:4d5, 2606:4700:3037::ac43:8481
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=25, 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=1783989700

Subdomains

www.coder.us

Same first word

coder.me

coder.nu

coder.us

coder.org.ua

coder.app

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.zone

coder.solutions

coder.works

coder.science

coder.school

coder.it

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

coder.institute

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

decor.casa

credo.be

decor.vision

cedro.biz

redco.cn

credo.com.br

erdoc.org

redco.com

decor.nl

docer.de

decor.africa

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

corde.cn

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

DNS History

25 records (11 active, 14 former)

●NSemerie.ns.cloudflare.com2026-03-03 → 2026-07-14 · 3 obs

○ 2016-07-23 02:27:32
● 2026-03-03 17:54:54
● 2026-07-14 00:59:36

●NShouston.ns.cloudflare.com2026-03-03 → 2026-07-14 · 3 obs

○ 2016-07-23 02:27:32
● 2026-03-03 17:54:54
● 2026-07-14 00:59:36

○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
○ 2026-07-14 00:59:36

○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
○ 2026-07-14 00:59:36

○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
○ 2026-07-14 00:59:36

●MXalt1.aspmx.l.google.com2015-06-01 → 2026-07-14 · 2 obs

● 2015-06-01 17:50:18
● 2026-07-14 00:59:36

●MXalt2.aspmx.l.google.com2015-06-01 → 2026-07-14 · 2 obs

● 2015-06-01 17:50:18
● 2026-07-14 00:59:36

●MXalt3.aspmx.l.google.com2015-06-01 → 2026-07-14 · 2 obs

● 2015-06-01 17:50:18
● 2026-07-14 00:59:36

●MXalt4.aspmx.l.google.com2015-06-01 → 2026-07-14 · 2 obs

● 2015-06-01 17:50:18
● 2026-07-14 00:59:36

●MXaspmx.l.google.com2015-06-01 → 2026-07-14 · 2 obs

● 2015-06-01 17:50:18
● 2026-07-14 00:59:36

●A104.21.4.2132026-03-13 → 2026-07-14 · 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
● 2026-07-14 00:59:36

●A172.67.132.1292026-03-13 → 2026-07-14 · 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
○ 2026-07-14 00:59:36

○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
○ 2026-07-14 00:59:36

○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
○ 2026-07-14 00:59:36

○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
○ 2026-07-14 00:59:36

○A2606:4700:3032::6815:4d52026-03-15 → 2026-06-08 · 14 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
○ 2026-07-02 22:57:22
○ 2026-07-14 00:59:36

○A2606:4700:3033::ac43:84812026-03-15 → 2026-06-08 · 14 obs

●A2606:4700:3034::6815:4d52026-07-02 → 2026-07-14 · 3 obs

○ 2026-06-08 01:35:34
● 2026-07-02 22:57:22
● 2026-07-14 00:59:36

●A2606:4700:3037::ac43:84812026-07-02 → 2026-07-14 · 3 obs

○ 2026-06-08 01:35:34
● 2026-07-02 22:57:22
● 2026-07-14 00:59:36

○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
○ 2026-07-14 00:59:36

○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
○ 2026-07-14 00:59:36

○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
○ 2026-07-14 00:59:36

🔍 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:162.159.44.52

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: 1020ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.4.213, 172.67.132.129`
AAAA	2	`2606:4700:3034::6815:4d5, 2606:4700:3037::ac43:8481`
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

coder.us resolves to four IP addresses: 104.21.4.213, 172.67.132.129, 2606:4700:3034::6815:4d5 and 2606:4700:3037::ac43:8481.

Two other host names, along with plablog.org, pocketroster.us and prestarea.com, also share IP numbers with coder.us.

Name Servers

The NS records for coder.us delegate to emerie.ns.cloudflare.com and houston.ns.cloudflare.com.

coder.us shares its NS records with other domains, for example bj2.xyz, coderus.com, alternativerealization.com and two others.

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

These name servers regularly co-occur with the name servers guss.ns.cloudflare.com, riya.ns.cloudflare.com and etienne.ns.cloudflare.com.

DNS names with 6 IP addresses:

emerie.ns.cloudflare.com maps to 108.162.194.115, 162.159.38.115, 172.64.34.115 and 3 additional IP addresses.

houston.ns.cloudflare.com maps to 108.162.195.52, 162.159.44.52, 172.64.35.52 and 3 additional IP addresses.

Mail Servers

coder.us is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between coder.us and other domains, including ns500765.ns500699.ns500699.ns500693.ns500693.ns500693.ns500734.ns500588.ns500588.ns500693.ns500612.ns500632.ns500110.dtrkdll.com, ns500758.ns500759.ns500759.ns500698.ns500735.ns500735.ns500736.ns500736.ns500576.ns500708.ns500619.ns500576.trackreceptor.com, vitech.uz and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

The A records for aspmx.l.google.com return 192.178.155.26 and 2607:f8b0:4004:c1b::1b.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1a.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.

coder.us - robtex.com

coder.us

us

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

`coder.us`

`us`