sfcscedu.com - robtex.com

sfcscedu.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:5f9e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:91e8🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.95.158Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.145.232🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamanda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A2803:f800:50::6ca2:c03f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRamanda.ns.cloudflare.com
A2a06:98c1:50::ac40:203f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRamanda.ns.cloudflare.com
A108.162.192.63🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A172.64.32.63🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A173.245.58.63🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
NScolin.ns.cloudflare.com
A2606:4700:58::a29f:2c4b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
A2803:f800:50::6ca2:c34b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcolin.ns.cloudflare.com
A2a06:98c1:50::ac40:234b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcolin.ns.cloudflare.com
A108.162.195.75🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
A162.159.44.75Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
A172.64.35.75🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.95.158, 172.67.145.232
IPv6 hints2606:4700:3030::6815:5f9e, 2606:4700:3032::ac43:91e8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOAamanda.ns.cloudflare.comdns@cloudflare.com serial=2404178062

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783753447

Same first word

sfcscedu.com

DNS History

10 records (6 active, 4 former)

NSamanda.ns.cloudflare.comcolin.ns.cloudflare.comA104.21.95.158172.67.145.2322606:4700:3030::6815:5f9e2606:4700:3032::ac43:91e8188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSamanda.ns.cloudflare.com2026-05-17 → 2026-07-11 · 2 obs
● 2026-05-17 02:18:00
● 2026-07-11 07:27:06
●NScolin.ns.cloudflare.com2026-05-17 → 2026-07-11 · 2 obs
● 2026-05-17 02:18:00
● 2026-07-11 07:27:06
●A104.21.95.1582026-05-17 → 2026-07-11 · 5 obs
● 2026-05-17 02:18:00
● 2026-06-15 07:05:12
○ 2026-06-15 19:35:46
● 2026-07-11 07:27:04
● 2026-07-11 07:27:06
●A172.67.145.2322026-05-17 → 2026-07-11 · 5 obs
● 2026-05-17 02:18:00
● 2026-06-15 07:05:12
○ 2026-06-15 19:35:46
● 2026-07-11 07:27:04
● 2026-07-11 07:27:06
○A188.114.96.02026-06-15 → 2026-06-15 · 4 obs
○ 2026-06-15 07:05:12
● 2026-06-15 19:35:46
○ 2026-07-11 07:27:04
○ 2026-07-11 07:27:06
○A188.114.97.02026-06-15 → 2026-06-15 · 4 obs
○ 2026-06-15 07:05:12
● 2026-06-15 19:35:46
○ 2026-07-11 07:27:04
○ 2026-07-11 07:27:06
●A2606:4700:3030::6815:5f9e2026-05-17 → 2026-07-11 · 5 obs
● 2026-05-17 02:18:00
● 2026-06-15 07:05:12
○ 2026-06-15 19:35:46
● 2026-07-11 07:27:04
● 2026-07-11 07:27:06
●A2606:4700:3032::ac43:91e82026-05-17 → 2026-07-11 · 5 obs
● 2026-05-17 02:18:00
● 2026-06-15 07:05:12
○ 2026-06-15 19:35:46
● 2026-07-11 07:27:04
● 2026-07-11 07:27:06
○A2a06:98c1:3120::2026-06-15 → 2026-06-15 · 4 obs
○ 2026-06-15 07:05:12
● 2026-06-15 19:35:46
○ 2026-07-11 07:27:04
○ 2026-07-11 07:27:06
○A2a06:98c1:3121::2026-06-15 → 2026-06-15 · 4 obs
○ 2026-06-15 07:05:12
● 2026-06-15 19:35:46
○ 2026-07-11 07:27:04
○ 2026-07-11 07:27:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
sfcscedu.comamanda.ns.cloudflare.com, colin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.63

NS records: amanda.ns.cloudflare.com, colin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sfcscedu.com (unsigned zone)

⏱️ Timing

Total: 517ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.95.158, 172.67.145.232
AAAA22606:4700:3032::ac43:91e8, 2606:4700:3030::6815:5f9e
NS2amanda.ns.cloudflare.com, colin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1amanda.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sfcscedu.com points to the four IP addresses 104.21.95.158, 172.67.145.232, 2606:4700:3030::6815:5f9e and 2606:4700:3032::ac43:91e8.

Among the host names that share IP numbers with sfcscedu.com are rentakit.cfd, clandestine-artists.com, matshop.gr and two others.

Name Servers

sfcscedu.com has two authoritative name servers — amanda.ns.cloudflare.com and colin.ns.cloudflare.com.

sfcscedu.com has the same name server delegation as a number of other domains, such as wenkepu.com, telesis999.com, kuaikechina.com and two more.

There is at least partial name server overlap between sfcscedu.com and other domains — 294034.com, skaffolder.com, lebequip.com and two more among them.

The name servers noor.ns.cloudflare.com, laylah.ns.cloudflare.com and andy.ns.cloudflare.com are often found in combination with these name servers.

Host names resolving to 6 IP numbers:

amanda.ns.cloudflare.com points to 108.162.192.63, 172.64.32.63, 173.245.58.63 and 3 other IP addresses.

colin.ns.cloudflare.com points to 108.162.195.75, 162.159.44.75, 172.64.35.75 and 3 other IP addresses.