🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`concurrent.world`

DNSSEC	⚠️ Not signed
A	3.170.19.54^{🇺🇸 Amazon3.170.19.0/24}
		PTR	`server-3-170-19-54.iad61.r.cloudfront.net`
A	3.170.19.68^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.85^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.125^{🇺🇸 Amazon3.170.19.0/24}
NS	`ns-411.awsdns-51.com` ⭐
		A	2600:9000:5301:9b00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-411.awsdns-51.com`
		A	205.251.193.155^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-411.awsdns-51.com`
NS	`ns-1157.awsdns-16.org`
		A	2600:9000:5304:8500::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1157.awsdns-16.org`
		A	205.251.196.133^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1157.awsdns-16.org`
NS	`ns-1852.awsdns-39.co.uk`
		A	2600:9000:5307:3c00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1852.awsdns-39.co.uk`
		A	205.251.199.60^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1852.awsdns-39.co.uk`
NS	`ns-837.awsdns-40.net`
		A	2600:9000:5303:4500::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-837.awsdns-40.net`
		A	205.251.195.69^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-837.awsdns-40.net`
TXT	`google-site-verification=FdaMldpsQ7jz7oywCMk-Q8Guk8Tcl8RKQtk2ZzuR00c`
SOA	`ns-411.awsdns-51.com`awsdns-hostmaster@amazon.com serial=1

`world`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.world` ⭐
	NS	`v0n1.nic.world`
	NS	`v0n2.nic.world`
	NS	`v0n3.nic.world`
	NS	`v2n0.nic.world`
	NS	`v2n1.nic.world`
	SOA	`v0n0.nic.world`hostmaster@donuts.email serial=1787239699

⚠️ On DNS blocklist: spam-tlds

Same first word

Similar names

currentcon.com

rurconnect.de

truconnecr.com

Previous names

Next names

DNS History

16 records (8 active, 8 former)

●NSns-1157.awsdns-16.org2026-08-19 → 2026-08-20 · 2 obs

● 2026-08-19 09:50:34
● 2026-08-20 15:42:36

●NSns-1852.awsdns-39.co.uk2026-08-19 → 2026-08-20 · 2 obs

● 2026-08-19 09:50:34
● 2026-08-20 15:42:36

●NSns-411.awsdns-51.com2026-08-19 → 2026-08-20 · 2 obs

● 2026-08-19 09:50:34
● 2026-08-20 15:42:36

●NSns-837.awsdns-40.net2026-08-19 → 2026-08-20 · 2 obs

● 2026-08-19 09:50:34
● 2026-08-20 15:42:36

○A18.164.174.1042026-08-20 → 2026-08-20 · 4 obs

○ 2026-08-19 09:50:34
● 2026-08-20 03:59:22
○ 2026-08-20 15:42:32
○ 2026-08-20 15:42:36

○A18.164.174.1112026-08-20 → 2026-08-20 · 4 obs

○ 2026-08-19 09:50:34
● 2026-08-20 03:59:22
○ 2026-08-20 15:42:32
○ 2026-08-20 15:42:36

○A18.164.174.1162026-08-20 → 2026-08-20 · 4 obs

○ 2026-08-19 09:50:34
● 2026-08-20 03:59:22
○ 2026-08-20 15:42:32
○ 2026-08-20 15:42:36

○A18.164.174.932026-08-20 → 2026-08-20 · 4 obs

○ 2026-08-19 09:50:34
● 2026-08-20 03:59:22
○ 2026-08-20 15:42:32
○ 2026-08-20 15:42:36

○A18.67.162.1012026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 09:50:34
○ 2026-08-20 03:59:22
○ 2026-08-20 15:42:36

○A18.67.162.292026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 09:50:34
○ 2026-08-20 03:59:22
○ 2026-08-20 15:42:36

○A18.67.162.382026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 09:50:34
○ 2026-08-20 03:59:22
○ 2026-08-20 15:42:36

○A18.67.162.782026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 09:50:34
○ 2026-08-20 03:59:22
○ 2026-08-20 15:42:36

●A3.170.19.1252026-08-20 → 2026-08-20 · 3 obs

○ 2026-08-20 03:59:22
● 2026-08-20 15:42:32
● 2026-08-20 15:42:36

●A3.170.19.542026-08-20 → 2026-08-20 · 3 obs

○ 2026-08-20 03:59:22
● 2026-08-20 15:42:32
● 2026-08-20 15:42:36

●A3.170.19.682026-08-20 → 2026-08-20 · 3 obs

○ 2026-08-20 03:59:22
● 2026-08-20 15:42:32
● 2026-08-20 15:42:36

●A3.170.19.852026-08-20 → 2026-08-20 · 3 obs

○ 2026-08-20 03:59:22
● 2026-08-20 15:42:32
● 2026-08-20 15:42:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
world	v0n3.nic.world, v0n1.nic.world, v2n1.nic.world, v0n0.nic.world...	-
concurrent.world	ns-411.awsdns-51.com, ns-837.awsdns-40.net, ns-1157.awsdns-16.org, ns-1852.awsdns-39.co.uk	-

✅ Authoritative Response

Server:205.251.193.155

NS records: ns-411.awsdns-51.com, ns-837.awsdns-40.net, ns-1157.awsdns-16.org, ns-1852.awsdns-39.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concurrent.world (unsigned zone)

⏱️ Timing

Total: 398ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.19.125, 3.170.19.68...`
NS	4	`ns-1157.awsdns-16.org, ns-1852.awsdns-39.co.uk...`
TXT	1	`google-site-verification=FdaMldpsQ7jz7oy`
SOA	1	`ns-411.awsdns-51.com awsdns-hostmaster.a`

Analysis

IP Addresses

concurrent.world has four IP addresses: 3.170.19.54, 3.170.19.68, 3.170.19.85 and 3.170.19.125.

Two other host names, along with www.alteregoitaly.com, 9z8pvd.com and www.benparetzky.com, also share IP numbers with concurrent.world.

Name Servers

The NS records for concurrent.world point to four name servers: ns-411.awsdns-51.com, ns-837.awsdns-40.net, ns-1157.awsdns-16.org and ns-1852.awsdns-39.co.uk.

concurrent.world shares at least some of its name servers with other domains, including aloalto.org, gasquest.com, megatrondistro.com and two others.

The host names ns-411.awsdns-51.com, ns-837.awsdns-40.net, ns-1157.awsdns-16.org and ns-1852.awsdns-39.co.uk each resolve to two IP addresses: ns-411.awsdns-51.com resolves to 205.251.193.155 and 2600:9000:5301:9b00::1; ns-837.awsdns-40.net resolves to 205.251.195.69 and 2600:9000:5303:4500::1; ns-1157.awsdns-16.org resolves to 205.251.196.133 and 2600:9000:5304:8500::1; ns-1852.awsdns-39.co.uk resolves to 205.251.199.60 and 2600:9000:5307:3c00::1.

concurrent.world - robtex.com