`unreasonablyoptimistic.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4e3^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8490^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.227^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.132.144^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gabriel.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cf4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gabriel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gabriel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gabriel.ns.cloudflare.com`
		A	108.162.195.244^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gabriel.ns.cloudflare.com`
		A	162.159.44.244^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gabriel.ns.cloudflare.com`
		A	172.64.35.244^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gabriel.ns.cloudflare.com`
NS	`sierra.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sierra.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sierra.ns.cloudflare.com`
		A	108.162.194.245^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	162.159.38.245^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	172.64.34.245^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.4.227, 172.67.132.144
		IPv6	2606:4700:3033::6815:4e3, 2606:4700:3036::ac43:8490
SOA	`gabriel.ns.cloudflare.com`dns@cloudflare.com serial=2398702559

`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=1771291435

Same first word

unreasonablyoptimistic.com

DNS History

11 records (6 active, 5 former)

●NSgabriel.ns.cloudflare.com2026-03-03 → 2026-03-24 · 3 obs

○ 2015-11-14 01:33:20
● 2026-03-03 15:10:16
● 2026-03-24 02:53:56

○NSns05.domaincontrol.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 00:49:32
○ 2015-11-14 01:33:20
○ 2026-03-24 02:53:56

○NSns06.domaincontrol.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 00:49:32
○ 2015-11-14 01:33:20
○ 2026-03-24 02:53:56

●NSsierra.ns.cloudflare.com2026-03-03 → 2026-03-24 · 3 obs

○ 2015-11-14 01:33:20
● 2026-03-03 15:10:16
● 2026-03-24 02:53:56

○MXmailstore1.secureserver.net2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 00:49:32
○ 2015-11-14 01:33:20
○ 2026-03-24 02:53:56

○MXsmtp.secureserver.net2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 00:49:32
○ 2015-11-14 01:33:20
○ 2026-03-24 02:53:56

●A104.21.4.2272026-03-03 → 2026-03-24 · 3 obs

○ 2015-11-14 01:33:20
● 2026-03-03 15:10:16
● 2026-03-24 02:53:56

●A172.67.132.1442026-03-03 → 2026-03-24 · 3 obs

○ 2015-11-14 01:33:20
● 2026-03-03 15:10:16
● 2026-03-24 02:53:56

●A2606:4700:3033::6815:4e32026-03-03 → 2026-03-24 · 3 obs

○ 2015-11-14 01:33:20
● 2026-03-03 15:10:16
● 2026-03-24 02:53:56

●A2606:4700:3036::ac43:84902026-03-03 → 2026-03-24 · 3 obs

○ 2015-11-14 01:33:20
● 2026-03-03 15:10:16
● 2026-03-24 02:53:56

○A68.178.232.1002008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 00:49:32
○ 2015-11-14 01:33:20
○ 2026-03-24 02:53:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
unreasonablyoptimistic.com	sierra.ns.cloudflare.com, gabriel.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.245

NS records: sierra.ns.cloudflare.com, gabriel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for unreasonablyoptimistic.com (unsigned zone)

⏱️ Timing

Total: 125ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.132.144, 104.21.4.227`
AAAA	2	`2606:4700:3033::6815:4e3, 2606:4700:3036::ac43:8490`
NS	2	`gabriel.ns.cloudflare.com, sierra.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gabriel.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

unreasonablyoptimistic.com refers to four IP numbers: 2606:4700:3033::6815:4e3, 2606:4700:3036::ac43:8490, 104.21.4.227 and 172.67.132.144.

Other host names, for instance x(0x706f726e)o.pl, www.(0x706f726e)clipsnow.com, qfse.com.cdn.cloudflare.net, dn3.org and kraft-gmbh.de share IP numbers with unreasonablyoptimistic.com.

Name Servers

unreasonablyoptimistic.com's delegation uses two name servers: gabriel.ns.cloudflare.com and sierra.ns.cloudflare.com.

unreasonablyoptimistic.com uses the same name server setup as other domains, such as geniusroof.com, agenasia88.pro, cutepetname.com, keczapy.com and laurenashwell.com.

unreasonablyoptimistic.com at least partially shares name servers with other domains, including lygus.lt, goppx.com, bisfacnow.com, sidemc.net and recordpower.com.

These name servers are often used with lisa.ns.cloudflare.com and jillian.ns.cloudflare.com.

Host names with six IP numbers:

gabriel.ns.cloudflare.com points to 2606:4700:58::a29f:2cf4, 2803:f800:50::6ca2:c3f4, 2a06:98c1:50::ac40:23f4, 108.162.195.244, 162.159.44.244 and 172.64.35.244.

sierra.ns.cloudflare.com points to 2606:4700:50::a29f:26f5, 2803:f800:50::6ca2:c2f5, 2a06:98c1:50::ac40:22f5, 108.162.194.245, 162.159.38.245 and 172.64.34.245.

unreasonablyoptimistic.com - robtex.com