`sfsblueprints.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c477^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:249b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.155^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.119^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`oaklyn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:265a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c25a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`oaklyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:225a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`oaklyn.ns.cloudflare.com`
		A	108.162.194.90^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
		A	162.159.38.90^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
		A	172.64.34.90^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
NS	`sam.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sam.ns.cloudflare.com`
		A	108.162.193.141^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	172.64.33.141^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	173.245.59.141^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
TXT	`google-site-verification=ifDFd1GOQNNm9gQndIL1OLrV3zhYGLVTfhdCHx164_I`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.155, 172.67.196.119
		IPv6 hints	2606:4700:3031::ac43:c477, 2606:4700:3036::6815:249b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOA	`oaklyn.ns.cloudflare.com`dns@cloudflare.com serial=2409362567

`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=1785481282

Same first word

sfsblueprints.com

DNS History

6 records (6 active, 0 former)

●NSoaklyn.ns.cloudflare.com2026-07-17 → 2026-07-31 · 2 obs

● 2026-07-17 03:08:54
● 2026-07-31 07:14:28

●NSsam.ns.cloudflare.com2026-07-17 → 2026-07-31 · 2 obs

● 2026-07-17 03:08:54
● 2026-07-31 07:14:28

●A104.21.36.1552026-07-17 → 2026-07-31 · 2 obs

● 2026-07-17 03:08:54
● 2026-07-31 07:14:28

●A172.67.196.1192026-07-17 → 2026-07-31 · 2 obs

● 2026-07-17 03:08:54
● 2026-07-31 07:14:28

●A2606:4700:3031::ac43:c4772026-07-17 → 2026-07-31 · 2 obs

● 2026-07-17 03:08:54
● 2026-07-31 07:14:28

●A2606:4700:3036::6815:249b2026-07-17 → 2026-07-31 · 2 obs

● 2026-07-17 03:08:54
● 2026-07-31 07:14:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...	-
sfsblueprints.com	sam.ns.cloudflare.com, oaklyn.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.141

NS records: sam.ns.cloudflare.com, oaklyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sfsblueprints.com (unsigned zone)

⏱️ Timing

Total: 248ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.196.119, 104.21.36.155`
AAAA	2	`2606:4700:3031::ac43:c477, 2606:4700:3036::6815:249b`
NS	2	`oaklyn.ns.cloudflare.com, sam.ns.cloudflare.com`
TXT	1	`google-site-verification=ifDFd1GOQNNm9gQ`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`oaklyn.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sfsblueprints.com has four IP addresses: 104.21.36.155, 172.67.196.119, 2606:4700:3031::ac43:c477 and 2606:4700:3036::6815:249b.

Two other host names, along with adrfunds.com, tralionaex.sbs and enyo.co, also share IP numbers with sfsblueprints.com.

Name Servers

sfsblueprints.com has two authoritative name servers — oaklyn.ns.cloudflare.com and sam.ns.cloudflare.com.

sfsblueprints.com shares its NS records with other domains, for example team274.nl, sokuchat.com, caitlinmccaffrey.com and two others.

sfsblueprints.com has at least partial name server overlap with other domains, such as rbsport.ru, rmidoc.com, birmingham1st.org and two others.

It is common to see these name servers used together with name servers alberto.ns.cloudflare.com and rosalie.ns.cloudflare.com.

DNS names with 6 IP addresses:

oaklyn.ns.cloudflare.com points to 108.162.194.90, 162.159.38.90, 172.64.34.90 and 3 other IP addresses.

sam.ns.cloudflare.com points to 108.162.193.141, 172.64.33.141, 173.245.59.141 and 3 other IP addresses.

sfsblueprints.com - robtex.com