cursocei.com.br - robtex.com
cursocei.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:811b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:26e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.2.110Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.129.27🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | darwin.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | darwin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c197🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | darwin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2197🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | darwin.ns.cloudflare.com | ||||||
| A | 108.162.193.151🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | darwin.ns.cloudflare.com | ||||||
| A | 172.64.33.151🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | darwin.ns.cloudflare.com | ||||||
| A | 173.245.59.151🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | darwin.ns.cloudflare.com | ||||||
| NS | mary.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a86🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c086🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2086🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| A | 108.162.192.134🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| A | 172.64.32.134🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| A | 173.245.58.134🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| MX | mail.cursocei.com.br ⭐ | ||||||
| A | 52.70.207.200🇺🇸 Amazon52.70.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-52-70-207-200.compute-1.amazonaws.com | ||||||
| TXT | v=spf1 a mx -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.2.110, 172.67.129.27 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:811b, 2606:4700:3037::6815:26e | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com | ||||||
| SOA | darwin.ns.cloudflare.comdns@cloudflare.com serial=2399581563 | ||||||
com.br
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.br ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.br ⚠️ Not in parent delegation | ||||||
| NS | c.dns.br ⚠️ Not in parent delegation | ||||||
| NS | d.dns.br ⚠️ Not in parent delegation | ||||||
| NS | e.dns.br ⚠️ Not in parent delegation | ||||||
| NS | f.dns.br ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.brhostmaster@registro.br serial=2026104254 | ||||||
rank #4104 in the tld
WOT: SAFE (69/100)
Subdomains
mail.cursocei.com.br |
assinaturas.cursocei.com.br |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSdarwin.ns.cloudflare.com2026-03-23 → 2026-04-14 · 2 obs
● 2026-04-14 10:50:10
●NSmary.ns.cloudflare.com2026-03-23 → 2026-04-14 · 2 obs
● 2026-04-14 10:50:10
●MXmail.cursocei.com.br2026-03-23 → 2026-04-14 · 2 obs
● 2026-04-14 10:50:10
●A104.21.2.1102026-03-23 → 2026-04-14 · 2 obs
● 2026-04-14 10:50:10
●A172.67.129.272026-03-23 → 2026-04-14 · 2 obs
● 2026-04-14 10:50:10
●A2606:4700:3032::ac43:811b2026-03-23 → 2026-04-14 · 2 obs
● 2026-04-14 10:50:10
●A2606:4700:3037::6815:26e2026-03-23 → 2026-04-14 · 2 obs
● 2026-04-14 10:50:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | c.dns.br, f.dns.br, a.dns.br, b.dns.br... | - |
| cursocei.com.br | darwin.ns.cloudflare.com, mary.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.134
NS records: darwin.ns.cloudflare.com, mary.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cursocei.com.br (unsigned zone)
⏱️ Timing
Total: 631ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.2.110, 172.67.129.27 |
| AAAA | 2 | 2606:4700:3037::6815:26e, 2606:4700:3032::ac43:811b |
| NS | 2 | darwin.ns.cloudflare.com, mary.ns.cloudflare.com |
| MX | 1 | mail.cursocei.com.br (pri: 10) |
| TXT | 1 | v=spf1 a mx -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | darwin.ns.cloudflare.com dns.cloudflare. |
Analysis
Hierarchy
cursocei.com.br is the parent of mail.cursocei.com.br and assinaturas.cursocei.com.br.
IP Addresses
cursocei.com.br maps to four IP numbers: 2606:4700:3032::ac43:811b, 2606:4700:3037::6815:26e, 104.21.2.110 and 172.67.129.27.
other host names include www.26faubourg.com, yafa-maximov.co.il, cashinyourannuity.com, e7.pngegg.com and expire.fr; they share IP numbers with cursocei.com.br.
Name Servers
Two name servers darwin.ns.cloudflare.com and mary.ns.cloudflare.com handle the delegation for cursocei.com.br.
cursocei.com.br shares the same name server setup as other domains, for instance michelsonip.com, giic.uk, artoninvest.com, northstarhosting.com and editoracei.com.
cursocei.com.br at least partially shares name servers with other domains, for instance upcode.vn, opipd.it, widegoodsmarket.com, air-buy.com and desibabe.net.
These name servers are commonly used with kia.ns.cloudflare.com and algin.ns.cloudflare.com.
Six IP addresses per host:
darwin.ns.cloudflare.com points to 2606:4700:58::adf5:3b97, 2803:f800:50::6ca2:c197, 2a06:98c1:50::ac40:2197, 108.162.193.151, 172.64.33.151 and 173.245.59.151; mary.ns.cloudflare.com points to 2606:4700:50::adf5:3a86, 2803:f800:50::6ca2:c086, 2a06:98c1:50::ac40:2086, 108.162.192.134, 172.64.32.134 and 173.245.58.134
Mail Servers
cursocei.com.br is handled by a single mail server, mail.cursocei.com.br.
The host name mail.cursocei.com.br points to IP 52.70.207.200.