🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`contrasync.dev`

DNSSEC	⚠️ Not signed
A	3.171.61.35^{🇺🇸 Amazon3.171.60.0/23}
		PTR	`server-3-171-61-35.iad61.r.cloudfront.net`
A	3.171.61.80^{🇺🇸 Amazon3.171.60.0/23}
A	3.171.61.88^{🇺🇸 Amazon3.171.60.0/23}
A	3.171.61.97^{🇺🇸 Amazon3.171.60.0/23}
NS	`ns-735.awsdns-27.net` ⭐
		A	2600:9000:5302:df00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-735.awsdns-27.net`
		A	205.251.194.223^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-735.awsdns-27.net`
NS	`ns-1383.awsdns-44.org`
		A	2600:9000:5305:6700::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1383.awsdns-44.org`
		A	205.251.197.103^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1383.awsdns-44.org`
NS	`ns-1808.awsdns-34.co.uk`
		A	2600:9000:5307:1000::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1808.awsdns-34.co.uk`
		A	205.251.199.16^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1808.awsdns-34.co.uk`
NS	`ns-243.awsdns-30.com`
		A	2600:9000:5300:f300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-243.awsdns-30.com`
		A	205.251.192.243^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-243.awsdns-30.com`
SOA	`ns-735.awsdns-27.net`awsdns-hostmaster@amazon.com serial=1

`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

contrasync.dev

Previous names

Next names

DNS History

28 records (8 active, 20 former)

●NSns-1383.awsdns-44.org2026-08-20 → 2026-08-28 · 2 obs

● 2026-08-20 02:07:28
● 2026-08-28 21:24:18

●NSns-1808.awsdns-34.co.uk2026-08-20 → 2026-08-28 · 2 obs

● 2026-08-20 02:07:28
● 2026-08-28 21:24:18

●NSns-243.awsdns-30.com2026-08-20 → 2026-08-28 · 2 obs

● 2026-08-20 02:07:28
● 2026-08-28 21:24:18

●NSns-735.awsdns-27.net2026-08-20 → 2026-08-28 · 2 obs

● 2026-08-20 02:07:28
● 2026-08-28 21:24:18

○A143.204.194.372026-08-28 → 2026-08-28 · 3 obs

○ 2026-08-28 10:05:16
● 2026-08-28 17:43:42
○ 2026-08-28 21:24:18

○A143.204.194.42026-08-28 → 2026-08-28 · 3 obs

○ 2026-08-28 10:05:16
● 2026-08-28 17:43:42
○ 2026-08-28 21:24:18

○A143.204.194.612026-08-28 → 2026-08-28 · 3 obs

○ 2026-08-28 10:05:16
● 2026-08-28 17:43:42
○ 2026-08-28 21:24:18

○A143.204.194.702026-08-28 → 2026-08-28 · 3 obs

○ 2026-08-28 10:05:16
● 2026-08-28 17:43:42
○ 2026-08-28 21:24:18

○A18.239.225.32026-08-20 → 2026-08-24 · 5 obs

● 2026-08-20 02:07:28
○ 2026-08-20 06:27:54
● 2026-08-24 03:50:06
○ 2026-08-24 10:50:14
○ 2026-08-28 21:24:18

○A18.239.225.62026-08-20 → 2026-08-24 · 5 obs

● 2026-08-20 02:07:28
○ 2026-08-20 06:27:54
● 2026-08-24 03:50:06
○ 2026-08-24 10:50:14
○ 2026-08-28 21:24:18

○A18.239.225.842026-08-20 → 2026-08-24 · 5 obs

● 2026-08-20 02:07:28
○ 2026-08-20 06:27:54
● 2026-08-24 03:50:06
○ 2026-08-24 10:50:14
○ 2026-08-28 21:24:18

○A18.239.225.912026-08-20 → 2026-08-24 · 5 obs

● 2026-08-20 02:07:28
○ 2026-08-20 06:27:54
● 2026-08-24 03:50:06
○ 2026-08-24 10:50:14
○ 2026-08-28 21:24:18

○A18.65.25.1002026-08-24 → 2026-08-27 · 6 obs

○ 2026-08-24 18:34:46
● 2026-08-24 23:14:06
○ 2026-08-25 11:21:50
● 2026-08-27 07:50:32
○ 2026-08-27 10:37:46
○ 2026-08-28 21:24:18

○A18.65.25.1192026-08-24 → 2026-08-27 · 6 obs

○ 2026-08-24 18:34:46
● 2026-08-24 23:14:06
○ 2026-08-25 11:21:50
● 2026-08-27 07:50:32
○ 2026-08-27 10:37:46
○ 2026-08-28 21:24:18

○A18.65.25.232026-08-24 → 2026-08-27 · 6 obs

○ 2026-08-24 18:34:46
● 2026-08-24 23:14:06
○ 2026-08-25 11:21:50
● 2026-08-27 07:50:32
○ 2026-08-27 10:37:46
○ 2026-08-28 21:24:18

○A18.65.25.322026-08-24 → 2026-08-27 · 6 obs

○ 2026-08-24 18:34:46
● 2026-08-24 23:14:06
○ 2026-08-25 11:21:50
● 2026-08-27 07:50:32
○ 2026-08-27 10:37:46
○ 2026-08-28 21:24:18

○A3.166.181.1182026-08-20 → 2026-08-20 · 4 obs

○ 2026-08-20 02:07:28
● 2026-08-20 06:27:54
○ 2026-08-23 21:40:14
○ 2026-08-28 21:24:18

○A3.166.181.1232026-08-20 → 2026-08-20 · 4 obs

○ 2026-08-20 02:07:28
● 2026-08-20 06:27:54
○ 2026-08-23 21:40:14
○ 2026-08-28 21:24:18

○A3.166.181.272026-08-20 → 2026-08-20 · 4 obs

○ 2026-08-20 02:07:28
● 2026-08-20 06:27:54
○ 2026-08-23 21:40:14
○ 2026-08-28 21:24:18

○A3.166.181.362026-08-20 → 2026-08-20 · 4 obs

○ 2026-08-20 02:07:28
● 2026-08-20 06:27:54
○ 2026-08-23 21:40:14
○ 2026-08-28 21:24:18

●A3.171.61.352026-08-23 → 2026-08-28 · 12 obs

○ 2026-08-20 06:27:54
● 2026-08-23 21:40:14
○ 2026-08-24 03:50:06
● 2026-08-24 10:50:14
○ 2026-08-24 18:34:46
● 2026-08-25 14:41:02
○ 2026-08-27 07:50:32
● 2026-08-27 10:37:46
○ 2026-08-27 23:52:36
● 2026-08-28 10:05:16
○ 2026-08-28 17:43:42
● 2026-08-28 21:24:18

●A3.171.61.802026-08-23 → 2026-08-28 · 12 obs

●A3.171.61.882026-08-23 → 2026-08-28 · 12 obs

●A3.171.61.972026-08-23 → 2026-08-28 · 12 obs

○A99.86.91.1182026-08-24 → 2026-08-27 · 8 obs

○ 2026-08-24 10:50:14
● 2026-08-24 18:34:46
○ 2026-08-24 23:14:06
● 2026-08-25 11:21:50
○ 2026-08-25 14:41:02
● 2026-08-27 23:52:36
○ 2026-08-28 10:05:16
○ 2026-08-28 21:24:18

○A99.86.91.1252026-08-24 → 2026-08-27 · 8 obs

○ 2026-08-24 10:50:14
● 2026-08-24 18:34:46
○ 2026-08-24 23:14:06
● 2026-08-25 11:21:50
○ 2026-08-25 14:41:02
● 2026-08-27 23:52:36
○ 2026-08-28 10:05:16
○ 2026-08-28 21:24:18

○A99.86.91.652026-08-24 → 2026-08-27 · 8 obs

○ 2026-08-24 10:50:14
● 2026-08-24 18:34:46
○ 2026-08-24 23:14:06
● 2026-08-25 11:21:50
○ 2026-08-25 14:41:02
● 2026-08-27 23:52:36
○ 2026-08-28 10:05:16
○ 2026-08-28 21:24:18

○A99.86.91.732026-08-24 → 2026-08-27 · 8 obs

○ 2026-08-24 10:50:14
● 2026-08-24 18:34:46
○ 2026-08-24 23:14:06
● 2026-08-25 11:21:50
○ 2026-08-25 14:41:02
● 2026-08-27 23:52:36
○ 2026-08-28 10:05:16
○ 2026-08-28 21:24:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
contrasync.dev	ns-1808.awsdns-34.co.uk, ns-1383.awsdns-44.org, ns-735.awsdns-27.net, ns-243.awsdns-30.com	-

✅ Authoritative Response

Server:205.251.192.243

NS records: ns-1808.awsdns-34.co.uk, ns-1383.awsdns-44.org, ns-735.awsdns-27.net, ns-243.awsdns-30.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contrasync.dev (unsigned zone)

⏱️ Timing

Total: 619ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.61.88, 3.171.61.35...`
NS	4	`ns-1383.awsdns-44.org, ns-1808.awsdns-34.co.uk...`
SOA	1	`ns-735.awsdns-27.net awsdns-hostmaster.a`

Analysis

IP Addresses

contrasync.dev resolves to four IP addresses: 3.171.61.35, 3.171.61.80, 3.171.61.88 and 3.171.61.97.

cdn.oncarrot.com, memorybound.com, joinleadoff.com and two other host names share IP numbers with contrasync.dev.

Name Servers

The authoritative name servers for contrasync.dev are ns-243.awsdns-30.com, ns-735.awsdns-27.net, ns-1383.awsdns-44.org and ns-1808.awsdns-34.co.uk.

contrasync.dev partially shares its NS delegation with several other domains, including auctioninjapan.com, techmatome.com, 183.40.192.in-addr.arpa and two others.

These name servers are regularly seen alongside ns-806.awsdns-36.net and ns-1231.awsdns-25.org as name servers.

ns-243.awsdns-30.com, ns-735.awsdns-27.net, ns-1383.awsdns-44.org and ns-1808.awsdns-34.co.uk each carry two IP addresses. ns-243.awsdns-30.com has 205.251.192.243 and 2600:9000:5300:f300::1; ns-735.awsdns-27.net has 205.251.194.223 and 2600:9000:5302:df00::1; ns-1383.awsdns-44.org has 205.251.197.103 and 2600:9000:5305:6700::1; ns-1808.awsdns-34.co.uk has 205.251.199.16 and 2600:9000:5307:1000::1.

contrasync.dev - robtex.com

contrasync.dev

dev

Same first word

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`contrasync.dev`

`dev`