refstack.io - dns.ninja

`refstack.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:173d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:d173^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.61^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.115^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chris.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b55^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c155^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2155^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chris.ns.cloudflare.com`
		A	108.162.193.85^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	172.64.33.85^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	173.245.59.85^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
NS	`galilea.ns.cloudflare.com`
		A	2606:4700:50::a29f:26e9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`galilea.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`galilea.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`galilea.ns.cloudflare.com`
		A	108.162.194.233^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`galilea.ns.cloudflare.com`
		A	162.159.38.233^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`galilea.ns.cloudflare.com`
		A	172.64.34.233^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`galilea.ns.cloudflare.com`
TXT	`google-site-verification=KBrZVOtDDE3gK-Mmjb2B8XXEJW4b_xezBdH1U1DNPfc`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.61, 172.67.209.115
		IPv6 hints	2606:4700:3030::6815:173d, 2606:4700:3031::ac43:d173
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com
SOA	`chris.ns.cloudflare.com`dns@cloudflare.com serial=2407229470

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1782050417

🔒 HSTS Preload (+subdomains)

Same first word

refstack.io

Similar names

kefscart.com

fstracke.de

rackfest.com

stackref.com

DNS History

12 records (6 active, 6 former)

●NSchris.ns.cloudflare.com2026-03-19 → 2026-06-21 · 2 obs

● 2026-03-19 05:52:52
● 2026-06-21 14:41:06

●NSgalilea.ns.cloudflare.com2026-03-19 → 2026-06-21 · 2 obs

● 2026-03-19 05:52:52
● 2026-06-21 14:41:06

●A104.21.23.612026-03-19 → 2026-06-21 · 7 obs

● 2026-03-19 05:52:52
● 2026-05-24 23:32:34
○ 2026-05-27 23:16:22
● 2026-05-31 20:39:36
● 2026-06-08 01:58:54
○ 2026-06-09 06:15:06
● 2026-06-21 14:41:06

●A172.67.209.1152026-03-19 → 2026-06-21 · 7 obs

● 2026-03-19 05:52:52
● 2026-05-24 23:32:34
○ 2026-05-27 23:16:22
● 2026-05-31 20:39:36
● 2026-06-08 01:58:54
○ 2026-06-09 06:15:06
● 2026-06-21 14:41:06

○A188.114.96.02026-05-27 → 2026-06-09 · 6 obs

○ 2026-05-24 23:32:34
● 2026-05-27 23:16:22
○ 2026-05-31 20:39:36
○ 2026-06-08 01:58:54
● 2026-06-09 06:15:06
○ 2026-06-21 14:41:06

○A188.114.97.02026-05-27 → 2026-06-09 · 6 obs

○ 2026-05-24 23:32:34
● 2026-05-27 23:16:22
○ 2026-05-31 20:39:36
○ 2026-06-08 01:58:54
● 2026-06-09 06:15:06
○ 2026-06-21 14:41:06

●A2606:4700:3030::6815:173d2026-06-21 → 2026-06-21 · 2 obs

○ 2026-06-09 06:15:06
● 2026-06-21 14:41:06

●A2606:4700:3031::ac43:d1732026-06-21 → 2026-06-21 · 2 obs

○ 2026-06-09 06:15:06
● 2026-06-21 14:41:06

○A2606:4700:3032::6815:173d2026-03-19 → 2026-06-08 · 7 obs

● 2026-03-19 05:52:52
● 2026-05-24 23:32:34
○ 2026-05-27 23:16:22
● 2026-05-31 20:39:36
● 2026-06-08 01:58:54
○ 2026-06-09 06:15:06
○ 2026-06-21 14:41:06

○A2606:4700:3032::ac43:d1732026-03-19 → 2026-06-08 · 7 obs

● 2026-03-19 05:52:52
● 2026-05-24 23:32:34
○ 2026-05-27 23:16:22
● 2026-05-31 20:39:36
● 2026-06-08 01:58:54
○ 2026-06-09 06:15:06
○ 2026-06-21 14:41:06

○A2a06:98c1:3120::2026-05-27 → 2026-06-09 · 6 obs

○ 2026-05-24 23:32:34
● 2026-05-27 23:16:22
○ 2026-05-31 20:39:36
○ 2026-06-08 01:58:54
● 2026-06-09 06:15:06
○ 2026-06-21 14:41:06

○A2a06:98c1:3121::2026-05-27 → 2026-06-09 · 6 obs

○ 2026-05-24 23:32:34
● 2026-05-27 23:16:22
○ 2026-05-31 20:39:36
○ 2026-06-08 01:58:54
● 2026-06-09 06:15:06
○ 2026-06-21 14:41:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	b0.nic.io, a2.nic.io, a0.nic.io, c0.nic.io	-
refstack.io	chris.ns.cloudflare.com, galilea.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.85

NS records: chris.ns.cloudflare.com, galilea.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for refstack.io (unsigned zone)

⏱️ Timing

Total: 550ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.209.115, 104.21.23.61`
AAAA	2	`2606:4700:3031::ac43:d173, 2606:4700:3030::6815:173d`
NS	2	`chris.ns.cloudflare.com, galilea.ns.cloudflare.com`
TXT	1	`google-site-verification=KBrZVOtDDE3gK-M`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chris.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

refstack.io has four IP addresses: 104.21.23.61, 172.67.209.115, 2606:4700:3030::6815:173d and 2606:4700:3031::ac43:d173.

Among the host names that share IP numbers with refstack.io are asia-logistics.org, wptranslations.eu, celebritytidbits.com and two others.

Name Servers

refstack.io has two authoritative name servers — chris.ns.cloudflare.com and galilea.ns.cloudflare.com.

refstack.io has the same name server delegation as a number of other domains, such as travelkamp.com, dszone.net, service4gamer.net and two more.

refstack.io shares at least some of its name servers with other domains, including confirm-delivery.bond, ihatechina.com, 1871919.com and two others.

These name servers are frequently paired with the name servers theo.ns.cloudflare.com and lee.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

chris.ns.cloudflare.com points to 108.162.193.85, 172.64.33.85, 173.245.59.85 and 3 other IP addresses.

galilea.ns.cloudflare.com points to 108.162.194.233, 162.159.38.233, 172.64.34.233 and 3 other IP addresses.