`concatstring.com`

DNSSEC	⚠️ Not signed
A	198.202.211.1^{🇺🇸 CLOUDFLARESPECTRUM198.202.211.0/24 Webflow}
NS	`amy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a65^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c065^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2065^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amy.ns.cloudflare.com`
		A	108.162.192.101^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	172.64.32.101^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	173.245.58.101^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
NS	`kirk.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kirk.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kirk.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kirk.ns.cloudflare.com`
		A	108.162.193.192^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kirk.ns.cloudflare.com`
		A	172.64.33.192^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kirk.ns.cloudflare.com`
		A	173.245.59.192^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kirk.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c06::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f27.1e100.net`
		A	142.250.141.27^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:402::1b^{🇳🇱 Google2a00:1450:4025::/48}
			PTR	`rb-in-f27.1e100.net`
		A	142.250.102.26^{🇺🇸 Google142.250.102.0/24}
			PTR	`rb-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:1015::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f26.1e100.net`
		A	172.253.135.26^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4003:c4a::1a^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulth-in-f26.1e100.net`
		A	142.251.96.26^{🇺🇸 Google142.250.0.0/15}
			PTR	`yutulth-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`amy.ns.cloudflare.com`dns@cloudflare.com serial=2400120503

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774635092

⚠️ On DNS blocklist: tif
🦠 Blackbook: Known malware/C&C domain

Same first word

concatstring.com

Similar names

signcontract.com

DNS History

14 records (8 active, 6 former)

●NSamy.ns.cloudflare.com2026-03-27 → 2026-03-27 · 2 obs

○ 2019-03-23 18:35:52
● 2026-03-27 18:35:26

●NSkirk.ns.cloudflare.com2026-03-27 → 2026-03-27 · 2 obs

○ 2019-03-23 18:35:52
● 2026-03-27 18:35:26

○NSns11.domaincontrol.com2026-03-27 → 2026-03-27 · 1 obs

○ 2026-03-27 18:35:26

○NSns12.domaincontrol.com2026-03-27 → 2026-03-27 · 1 obs

○ 2026-03-27 18:35:26

○NSns35.domaincontrol.com2019-03-23 → 2019-03-23 · 2 obs

● 2019-03-23 18:35:52
○ 2026-03-27 18:35:26

○NSns36.domaincontrol.com2019-03-23 → 2019-03-23 · 2 obs

● 2019-03-23 18:35:52
○ 2026-03-27 18:35:26

●MXalt1.aspmx.l.google.com2026-03-27 → 2026-03-27 · 1 obs

● 2026-03-27 18:35:26

●MXalt2.aspmx.l.google.com2026-03-27 → 2026-03-27 · 1 obs

● 2026-03-27 18:35:26

●MXalt3.aspmx.l.google.com2026-03-27 → 2026-03-27 · 1 obs

● 2026-03-27 18:35:26

●MXalt4.aspmx.l.google.com2026-03-27 → 2026-03-27 · 1 obs

● 2026-03-27 18:35:26

●MXaspmx.l.google.com2026-03-27 → 2026-03-27 · 1 obs

● 2026-03-27 18:35:26

○A165.227.214.132026-03-27 → 2026-03-27 · 1 obs

○ 2026-03-27 18:35:26

○A184.168.221.462019-03-23 → 2019-03-23 · 2 obs

● 2019-03-23 18:35:52
○ 2026-03-27 18:35:26

●A198.202.211.12026-03-27 → 2026-03-27 · 2 obs

○ 2019-03-23 18:35:52
● 2026-03-27 18:35:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
concatstring.com	amy.ns.cloudflare.com, kirk.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.192

NS records: amy.ns.cloudflare.com, kirk.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concatstring.com (unsigned zone)

⏱️ Timing

Total: 209ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.202.211.1`
NS	2	`amy.ns.cloudflare.com, kirk.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`
SOA	1	`amy.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (amy.ns.cloudflare.com, amy.ns.cloudflare.com, amy.ns.cloudflare.com...)

Analysis

IP Addresses

concatstring.com resolves to a single IP: 198.202.211.1.

Other host names, for instance frankenhaus.net, secusuisse.ch, integral.de, stoutsislandlodge.com and jeff-mac.com share IP numbers with concatstring.com.

Name Servers

concatstring.com has two name servers: amy.ns.cloudflare.com and kirk.ns.cloudflare.com.

concatstring.com shares the same name server setup as other domains, for example gilsa.fr, watchav.com, julienvenesson.fr, rheanet.com and jarvis.house.