sinapsedu.com - robtex.com
sinapsedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:dc85🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:1126🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.17.38Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.220.133🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | amanda.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c03f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:203f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 108.162.192.63🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 172.64.32.63🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 173.245.58.63🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| NS | colin.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c4b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c34b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:234b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| A | 108.162.195.75🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| A | 162.159.44.75Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| A | 172.64.35.75🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.17.38, 172.67.220.133 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:dc85, 2606:4700:3032::6815:1126 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com | ||||||
| SOA | amanda.ns.cloudflare.comdns@cloudflare.com serial=2404178223 | ||||||
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.netnstld@verisign-grs.com serial=1782861581 | ||||||
rank #433475 in the tld
Same first word
sinapsedu.com |
Similar names
DNS History
7 records (6 active, 1 former)
●NSamanda.ns.cloudflare.com2026-05-17 → 2026-06-30 · 2 obs
● 2026-06-30 23:48:58
●NScolin.ns.cloudflare.com2026-05-17 → 2026-06-30 · 2 obs
● 2026-06-30 23:48:58
●A104.21.17.382026-05-17 → 2026-06-30 · 2 obs
● 2026-06-30 23:48:58
●A172.67.220.1332026-05-17 → 2026-06-30 · 2 obs
● 2026-06-30 23:48:58
●A2606:4700:3030::ac43:dc852026-05-17 → 2026-06-30 · 2 obs
● 2026-06-30 23:48:58
●A2606:4700:3032::6815:11262026-06-30 → 2026-06-30 · 2 obs
● 2026-06-30 23:48:58
○A2606:4700:3037::6815:11262026-05-17 → 2026-05-17 · 2 obs
○ 2026-06-30 23:48:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sinapsedu.com | amanda.ns.cloudflare.com, colin.ns.cloudflare.com | 12 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 sinapsedu.com (unsigned zone)
⏱️ Timing
Total: 110ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.220.133, 104.21.17.38 |
| AAAA | 2 | 2606:4700:3030::ac43:dc85, 2606:4700:3032::6815:1126 |
| NS | 2 | amanda.ns.cloudflare.com, colin.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | amanda.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
sinapsedu.com has four IP addresses: 104.21.17.38, 172.67.220.133, 2606:4700:3030::ac43:dc85 and 2606:4700:3032::6815:1126.
Additional host names — prx.com.ua, casinon-utan-svensk-licens.bet, fusion-industry.org.uk and two others — share IP numbers with sinapsedu.com.
Name Servers
sinapsedu.com is served by two delegated name servers, amanda.ns.cloudflare.com and colin.ns.cloudflare.com.
sinapsedu.com shares its name server setup with other domains, including parkerinchina.com, haibaihuo.com, wcexam.com and two others.
sinapsedu.com has at least partial name server overlap with other domains, such as seofactor.nl, stephensonmarine.co.uk, svapopiu.com and two others.
It is common to find these name servers paired with the name servers noor.ns.cloudflare.com.
Host names with 6 IP numbers:
amanda.ns.cloudflare.com carries IP addresses 108.162.192.63, 172.64.32.63 and 173.245.58.63, with 3 other addresses beyond those.
colin.ns.cloudflare.com carries IP addresses 108.162.195.75, 162.159.44.75 and 172.64.35.75, with 3 other addresses beyond those.