`curtis.systems`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a644^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3af0^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.240^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.68^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elle.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elle.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elle.ns.cloudflare.com`
		A	108.162.192.110^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	172.64.32.110^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	173.245.58.110^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
NS	`josh.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josh.ns.cloudflare.com`
		A	108.162.193.126^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	172.64.33.126^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	173.245.59.126^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.240, 172.67.166.68
		IPv6 hints	2606:4700:3031::ac43:a644, 2606:4700:3035::6815:3af0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=206, name=cloudflare-ech.com
SOA	`elle.ns.cloudflare.com`dns@cloudflare.com serial=2408467626

`systems`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.systems` ⭐
	NS	`v0n1.nic.systems`
	NS	`v0n2.nic.systems`
	NS	`v0n3.nic.systems`
	NS	`v2n0.nic.systems`
	NS	`v2n1.nic.systems`
	SOA	`v0n0.nic.systems`hostmaster@donuts.email serial=1785917940

Same first word

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DNS History

14 records (6 active, 8 former)

●NSelle.ns.cloudflare.com2016-12-10 → 2026-08-05 · 2 obs

● 2016-12-10 20:50:02
● 2026-08-05 08:38:04

●NSjosh.ns.cloudflare.com2016-12-10 → 2026-08-05 · 2 obs

● 2016-12-10 20:50:02
● 2026-08-05 08:38:04

○MXmailstore1.secureserver.net2016-12-10 → 2018-06-09 · 4 obs

● 2016-12-10 20:50:02
● 2018-06-09 15:40:16
○ 2026-06-12 01:53:22
○ 2026-08-05 08:38:04

○MXsmtp.secureserver.net2016-12-10 → 2018-06-09 · 4 obs

● 2016-12-10 20:50:02
● 2018-06-09 15:40:16
○ 2026-06-12 01:53:22
○ 2026-08-05 08:38:04

○A104.18.58.302016-12-10 → 2018-06-09 · 4 obs

● 2016-12-10 20:50:02
● 2018-06-09 15:40:16
○ 2026-06-12 01:53:22
○ 2026-08-05 08:38:04

○A104.18.59.302016-12-10 → 2018-06-09 · 4 obs

● 2016-12-10 20:50:02
● 2018-06-09 15:40:16
○ 2026-06-12 01:53:22
○ 2026-08-05 08:38:04

●A104.21.58.2402026-06-12 → 2026-08-05 · 3 obs

○ 2018-06-09 15:40:16
● 2026-06-12 01:53:22
● 2026-08-05 08:38:04

●A172.67.166.682026-06-12 → 2026-08-05 · 3 obs

○ 2018-06-09 15:40:16
● 2026-06-12 01:53:22
● 2026-08-05 08:38:04

○A2400:cb00:2048:1::6812:3a1e2016-12-10 → 2018-06-09 · 4 obs

● 2016-12-10 20:50:02
● 2018-06-09 15:40:16
○ 2026-06-12 01:53:22
○ 2026-08-05 08:38:04

○A2400:cb00:2048:1::6812:3b1e2016-12-10 → 2018-06-09 · 4 obs

● 2016-12-10 20:50:02
● 2018-06-09 15:40:16
○ 2026-06-12 01:53:22
○ 2026-08-05 08:38:04

●A2606:4700:3031::ac43:a6442026-07-01 → 2026-08-05 · 3 obs

○ 2026-06-14 01:12:02
● 2026-07-01 15:13:30
● 2026-08-05 08:38:04

○A2606:4700:3034::ac43:a6442026-06-12 → 2026-06-14 · 5 obs

○ 2018-06-09 15:40:16
● 2026-06-12 01:53:22
● 2026-06-14 01:12:02
○ 2026-07-01 15:13:30
○ 2026-08-05 08:38:04

●A2606:4700:3035::6815:3af02026-07-01 → 2026-08-05 · 3 obs

○ 2026-06-14 01:12:02
● 2026-07-01 15:13:30
● 2026-08-05 08:38:04

○A2606:4700:3036::6815:3af02026-06-12 → 2026-06-14 · 5 obs

○ 2018-06-09 15:40:16
● 2026-06-12 01:53:22
● 2026-06-14 01:12:02
○ 2026-07-01 15:13:30
○ 2026-08-05 08:38:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
systems	v2n1.nic.systems, v0n3.nic.systems, v0n1.nic.systems, v0n0.nic.systems...	12 records
curtis.systems	josh.ns.cloudflare.com, elle.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.110

NS records: josh.ns.cloudflare.com, elle.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for curtis.systems (unsigned zone)

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.58.240, 172.67.166.68`
AAAA	2	`2606:4700:3031::ac43:a644, 2606:4700:3035::6815:3af0`
NS	2	`elle.ns.cloudflare.com, josh.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elle.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.systems, v2n0.nic.systems, v0n3.nic.systems...)

Analysis

IP Addresses

curtis.systems has four IP addresses: 104.21.58.240, 172.67.166.68, 2606:4700:3031::ac43:a644 and 2606:4700:3035::6815:3af0.

Additional host names — pittcon-2017.org, coconut-oil-uk.com, sacparts.com and two others — share IP numbers with curtis.systems.

Name Servers

The NS records for curtis.systems delegate to elle.ns.cloudflare.com and josh.ns.cloudflare.com.

curtis.systems shares its name server setup with other domains, including airtours.co.uk, webcitz.com, miauspicio.com and two others.

curtis.systems has at least partial name server overlap with other domains, such as narcoticvenus.ru, sonix.me, hotelcloud9drc.com and two others.

These name servers tend to appear together with the name servers clyde.ns.cloudflare.com, lochlan.ns.cloudflare.com and eric.ns.cloudflare.com.

Host names with 6 IP numbers:

elle.ns.cloudflare.com maps to 108.162.192.110, 172.64.32.110, 173.245.58.110 and 3 additional IP addresses.

josh.ns.cloudflare.com maps to 108.162.193.126, 172.64.33.126, 173.245.59.126 and 3 additional IP addresses.

curtis.systems - robtex.com

curtis.systems

systems

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`curtis.systems`

`systems`