🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`congress.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:52a7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:9fd3^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.167^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.211^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elliot.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elliot.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elliot.ns.cloudflare.com`
		A	108.162.193.162^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	172.64.33.162^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	173.245.59.162^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
NS	`mona.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ace^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ce^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mona.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ce^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mona.ns.cloudflare.com`
		A	108.162.192.206^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	172.64.32.206^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	173.245.58.206^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.82.167, 172.67.159.211
		IPv6 hints	2606:4700:3033::6815:52a7, 2606:4700:3036::ac43:9fd3
SOA	`elliot.ns.cloudflare.com`dns@cloudflare.com serial=2412236295

`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

congress.pl

congress.red

congress.de

congress.ws

congress.ch

congress.sale

congress.llc

congress.net

congress.ind.in

congress.info

congress.tatar

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congress.taipei

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congress.by

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congress.gov

congress.bike

congress.org.uk

congress.cl

congress.dev

congress.mx

congress.nl

congress.pharmacy

congress.ru

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congress.wiki

congress.gr

congress.cash

congress.md

congress.co.il

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congress.contact

congress.quest

congress.international

congress.ne.jp

congress.biz

congress.hu

congress.expert

congress.kiev.ua

congress.fail

congress.one

congress.city

congress.ro

congress.mobi

congress.bg

congress.directory

congress.services

congress.org.in

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congress.sk.eu.org

congress.go.kr

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congress.lviv.ua

congress.gen.tr

congress.ir

congress.agency

congress.gov.ph

congress.org

congress.lt

Similar names

crossgen.co

crossgen.nl

crossgen.app

gcsensor.com

sgcensor.com

crossgen.io

crossgen.com

crosseng.com

sesconrg.net

crossgen.eu

crossgen.media

crossgen.co.uk

Previous names

Next names

DNS History

10 records (8 active, 2 former)

●NSelliot.ns.cloudflare.com2026-08-18 → 2026-08-23 · 2 obs

● 2026-08-18 04:12:22
● 2026-08-23 21:04:30

●NSmona.ns.cloudflare.com2026-08-18 → 2026-08-23 · 2 obs

● 2026-08-18 04:12:22
● 2026-08-23 21:04:30

●MXmx1.improvmx.com2026-08-18 → 2026-08-23 · 3 obs

○ 2017-09-22 15:23:32
● 2026-08-18 04:12:22
● 2026-08-23 21:04:30

●MXmx2.improvmx.com2026-08-18 → 2026-08-23 · 3 obs

○ 2017-09-22 15:23:32
● 2026-08-18 04:12:22
● 2026-08-23 21:04:30

○MXyour-dns-needs-immediate-attention.dev2016-12-08 → 2017-09-22 · 4 obs

● 2016-12-08 19:26:02
● 2017-09-22 15:23:32
○ 2026-08-18 04:12:22
○ 2026-08-23 21:04:30

●A104.21.82.1672026-08-18 → 2026-08-23 · 3 obs

○ 2017-09-22 15:23:32
● 2026-08-18 04:12:22
● 2026-08-23 21:04:30

○A127.0.53.532016-12-08 → 2017-09-22 · 4 obs

● 2016-12-08 19:26:02
● 2017-09-22 15:23:32
○ 2026-08-18 04:12:22
○ 2026-08-23 21:04:30

●A172.67.159.2112026-08-18 → 2026-08-23 · 3 obs

○ 2017-09-22 15:23:32
● 2026-08-18 04:12:22
● 2026-08-23 21:04:30

●A2606:4700:3033::6815:52a72026-08-18 → 2026-08-23 · 3 obs

○ 2017-09-22 15:23:32
● 2026-08-18 04:12:22
● 2026-08-23 21:04:30

●A2606:4700:3036::ac43:9fd32026-08-18 → 2026-08-23 · 3 obs

○ 2017-09-22 15:23:32
● 2026-08-18 04:12:22
● 2026-08-23 21:04:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...	10 records
congress.dev	elliot.ns.cloudflare.com, mona.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.206

NS records: elliot.ns.cloudflare.com, mona.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congress.dev (unsigned zone)

⏱️ Timing

Total: 654ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.82.167, 172.67.159.211`
AAAA	2	`2606:4700:3036::ac43:9fd3, 2606:4700:3033::6815:52a7`
NS	2	`elliot.ns.cloudflare.com, mona.ns.cloudflare.com`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elliot.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

congress.dev has four IP addresses: 104.21.82.167, 172.67.159.211, 2606:4700:3033::6815:52a7 and 2606:4700:3036::ac43:9fd3.

Among the host names that share IP numbers with congress.dev are homotu.com, www.wineauctionroom.com, j700group.com and two others.

Name Servers

DNS delegation for congress.dev points to two name servers: elliot.ns.cloudflare.com and mona.ns.cloudflare.com.

congress.dev has the same name server delegation as a number of other domains, such as simvoid.com, sedative.best, mat-b04.workers.dev and two more.

congress.dev has at least partial name server overlap with other domains, such as welcomeguide.info, egg-breakers.com, 77vin.site and two others.

These name servers tend to appear together with the name servers tori.ns.cloudflare.com, laila.ns.cloudflare.com and ruben.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

elliot.ns.cloudflare.com has IP addresses 108.162.193.162, 172.64.33.162 and 173.245.59.162, plus 3 other.

mona.ns.cloudflare.com has IP addresses 108.162.192.206, 172.64.32.206 and 173.245.58.206, plus 3 other.

Mail Servers

The MX records for congress.dev point to two mail servers: mx1.improvmx.com and mx2.improvmx.com.

congress.dev has the same mail server arrangement as a number of other domains, for example holdthat.xyz, actions-x.com, litske.nl and two more.

congress.dev shares at least some of its mail servers with other domains — for example alephbetical.com, mydplr.net, koreanturk.com and two more.

Host names resolving to 6 IP numbers:

mx1.improvmx.com has IP addresses 13.37.195.136, 15.236.236.160 and 35.181.18.45, plus 3 other.

mx2.improvmx.com has IP addresses 13.36.107.63, 13.36.222.39 and 15.236.61.92, plus 3 other.

congress.dev - robtex.com

congress.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`congress.dev`

`dev`