csirtech.com - dns.ninja

`csirtech.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:9402^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:3778^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.120^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.2^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`curt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`curt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`curt.ns.cloudflare.com`
		A	108.162.193.94^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	172.64.33.94^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	173.245.59.94^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
NS	`liberty.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liberty.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`liberty.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`liberty.ns.cloudflare.com`
		A	108.162.194.240^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liberty.ns.cloudflare.com`
		A	162.159.38.240^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liberty.ns.cloudflare.com`
		A	172.64.34.240^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liberty.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.120, 172.67.148.2
		IPv6 hints	2606:4700:3031::ac43:9402, 2606:4700:3034::6815:3778
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=9, name=cloudflare-ech.com
SOA	`curt.ns.cloudflare.com`dns@cloudflare.com serial=2407078832

`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=1782239380

Same first word

csirtech.com

Similar names

DNS History

25 records (6 active, 19 former)

●NScurt.ns.cloudflare.com2026-06-23 → 2026-06-23 · 2 obs

○ 2026-05-16 15:39:08
● 2026-06-23 18:49:34

○NSdns1.registrar-servers.com2026-05-10 → 2026-05-16 · 4 obs

○ 2017-06-25 17:44:24
● 2026-05-10 18:49:04
● 2026-05-16 15:39:08
○ 2026-06-23 18:49:34

○NSdns2.registrar-servers.com2026-05-10 → 2026-05-16 · 4 obs

○ 2017-06-25 17:44:24
● 2026-05-10 18:49:04
● 2026-05-16 15:39:08
○ 2026-06-23 18:49:34

●NSliberty.ns.cloudflare.com2026-06-23 → 2026-06-23 · 2 obs

○ 2026-05-16 15:39:08
● 2026-06-23 18:49:34

○NSns1.dreamhost.com2015-06-23 → 2017-06-25 · 4 obs

● 2015-06-23 04:15:10
● 2017-06-25 17:44:24
○ 2026-05-10 18:49:04
○ 2026-06-23 18:49:34

○NSns2.dreamhost.com2015-06-23 → 2017-06-25 · 4 obs

● 2015-06-23 04:15:10
● 2017-06-25 17:44:24
○ 2026-05-10 18:49:04
○ 2026-06-23 18:49:34

○NSns3.dreamhost.com2015-06-23 → 2017-06-25 · 4 obs

● 2015-06-23 04:15:10
● 2017-06-25 17:44:24
○ 2026-05-10 18:49:04
○ 2026-06-23 18:49:34

○MXalt1.aspmx.l.google.com2015-06-23 → 2017-06-25 · 4 obs

● 2015-06-23 04:15:10
● 2017-06-25 17:44:24
○ 2026-05-10 18:49:04
○ 2026-06-23 18:49:34

○MXalt2.aspmx.l.google.com2015-06-23 → 2017-06-25 · 4 obs

● 2015-06-23 04:15:10
● 2017-06-25 17:44:24
○ 2026-05-10 18:49:04
○ 2026-06-23 18:49:34

○MXaspmx.l.google.com2015-06-23 → 2017-06-25 · 4 obs

● 2015-06-23 04:15:10
● 2017-06-25 17:44:24
○ 2026-05-10 18:49:04
○ 2026-06-23 18:49:34

○MXaspmx2.googlemail.com2015-06-23 → 2017-06-25 · 4 obs

● 2015-06-23 04:15:10
● 2017-06-25 17:44:24
○ 2026-05-10 18:49:04
○ 2026-06-23 18:49:34

○MXaspmx3.googlemail.com2015-06-23 → 2017-06-25 · 4 obs

● 2015-06-23 04:15:10
● 2017-06-25 17:44:24
○ 2026-05-10 18:49:04
○ 2026-06-23 18:49:34

○MXaspmx4.googlemail.com2015-06-23 → 2017-06-25 · 4 obs

● 2015-06-23 04:15:10
● 2017-06-25 17:44:24
○ 2026-05-10 18:49:04
○ 2026-06-23 18:49:34

○MXaspmx5.googlemail.com2015-06-23 → 2017-06-25 · 4 obs

● 2015-06-23 04:15:10
● 2017-06-25 17:44:24
○ 2026-05-10 18:49:04
○ 2026-06-23 18:49:34

○MXeforward1.registrar-servers.com2026-05-10 → 2026-05-16 · 4 obs

○ 2017-06-25 17:44:24
● 2026-05-10 18:49:04
● 2026-05-16 15:39:08
○ 2026-06-23 18:49:34

○MXeforward2.registrar-servers.com2026-05-10 → 2026-05-16 · 4 obs

○ 2017-06-25 17:44:24
● 2026-05-10 18:49:04
● 2026-05-16 15:39:08
○ 2026-06-23 18:49:34

○MXeforward3.registrar-servers.com2026-05-10 → 2026-05-16 · 4 obs

○ 2017-06-25 17:44:24
● 2026-05-10 18:49:04
● 2026-05-16 15:39:08
○ 2026-06-23 18:49:34

○MXeforward4.registrar-servers.com2026-05-10 → 2026-05-16 · 4 obs

○ 2017-06-25 17:44:24
● 2026-05-10 18:49:04
● 2026-05-16 15:39:08
○ 2026-06-23 18:49:34

○MXeforward5.registrar-servers.com2026-05-10 → 2026-05-16 · 4 obs

○ 2017-06-25 17:44:24
● 2026-05-10 18:49:04
● 2026-05-16 15:39:08
○ 2026-06-23 18:49:34

●A104.21.55.1202026-06-23 → 2026-06-23 · 2 obs

○ 2026-05-16 15:39:08
● 2026-06-23 18:49:34

●A172.67.148.22026-06-23 → 2026-06-23 · 2 obs

○ 2026-05-16 15:39:08
● 2026-06-23 18:49:34

○A173.236.184.2452015-06-23 → 2017-06-25 · 4 obs

● 2015-06-23 04:15:10
● 2017-06-25 17:44:24
○ 2026-05-10 18:49:04
○ 2026-06-23 18:49:34

○A192.64.119.1262026-05-10 → 2026-05-16 · 4 obs

○ 2017-06-25 17:44:24
● 2026-05-10 18:49:04
● 2026-05-16 15:39:08
○ 2026-06-23 18:49:34

●A2606:4700:3031::ac43:94022026-06-23 → 2026-06-23 · 2 obs

○ 2026-05-16 15:39:08
● 2026-06-23 18:49:34

●A2606:4700:3034::6815:37782026-06-23 → 2026-06-23 · 2 obs

○ 2026-05-16 15:39:08
● 2026-06-23 18:49:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net...	-
csirtech.com	curt.ns.cloudflare.com, liberty.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.240

NS records: curt.ns.cloudflare.com, liberty.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csirtech.com (unsigned zone)

⏱️ Timing

Total: 208ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.55.120, 172.67.148.2`
AAAA	2	`2606:4700:3031::ac43:9402, 2606:4700:3034::6815:3778`
NS	2	`curt.ns.cloudflare.com, liberty.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`curt.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

csirtech.com directs to four IP numbers, which are 104.21.55.120, 172.67.148.2, 2606:4700:3031::ac43:9402 and 2606:4700:3034::6815:3778.

fedun.com, mail.password-generator.com, ydu15.com and two other host names share IP numbers with csirtech.com.

Name Servers

csirtech.com has two authoritative name servers — curt.ns.cloudflare.com and liberty.ns.cloudflare.com.

csirtech.com uses the same name servers as several other domains — among them trender.nl, tracker-fomo.pages.dev, sherwincaonline.com and two more.

The name servers of csirtech.com overlap at least partially with those of other domains — among them gogogobookmarks.com, exhorter.org, silver.uk.net and two more.

These name servers commonly co-occur with the name servers eoin.ns.cloudflare.com, chip.ns.cloudflare.com, dalary.ns.cloudflare.com and rafe.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

curt.ns.cloudflare.com points to 108.162.193.94, 172.64.33.94, 173.245.59.94 and 3 other IP addresses.

liberty.ns.cloudflare.com points to 108.162.194.240, 162.159.38.240, 172.64.34.240 and 3 other IP addresses.