eracourses.com - robtex.com
eracourses.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:555🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:8537🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.5.85Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.133.55🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | aragorn.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b43🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aragorn.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c143🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | aragorn.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2143🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | aragorn.ns.cloudflare.com | ||||||
| A | 108.162.193.67🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aragorn.ns.cloudflare.com | ||||||
| A | 172.64.33.67🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aragorn.ns.cloudflare.com | ||||||
| A | 173.245.59.67🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aragorn.ns.cloudflare.com | ||||||
| NS | aurora.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:266e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c26e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:226e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| A | 108.162.194.110🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| A | 162.159.38.110Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| A | 172.64.34.110🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| MX | mail.eracourses.com ⭐ | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.5.85, 172.67.133.55 | ||||||
| IPv6 hints | 2606:4700:3035::6815:555, 2606:4700:3036::ac43:8537 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=234, name=cloudflare-ech.com | ||||||
| SOA | aragorn.ns.cloudflare.comdns@cloudflare.com serial=2399097132 | ||||||
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=1775959132 | ||||||
Same first word
eracourses.com |
Similar names
coursesera.com |
coreassure.com |
ressourcea.com |
oarsrescue.org |
aresources.com |
coresareus.com |
uoscareers.com |
aresources.pt |
caresourse.com |
aresources.net |
cursoserae.com.br |
DNS History
7 records (7 active, 0 former)
●NSaragorn.ns.cloudflare.com2026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 02:00:52
●NSaurora.ns.cloudflare.com2026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 02:00:52
●MXmail.eracourses.com2026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 02:00:52
●A104.21.5.852026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 02:00:52
●A172.67.133.552026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 02:00:52
●A2606:4700:3035::6815:5552026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 02:00:52
●A2606:4700:3036::ac43:85372026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 02:00:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| eracourses.com | aragorn.ns.cloudflare.com, aurora.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.110
NS records: aragorn.ns.cloudflare.com, aurora.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for eracourses.com (unsigned zone)
⏱️ Timing
Total: 169ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.133.55, 104.21.5.85 |
| AAAA | 2 | 2606:4700:3036::ac43:8537, 2606:4700:3035::6815:555 |
| NS | 2 | aragorn.ns.cloudflare.com, aurora.ns.cloudflare.com |
| MX | 1 | mail.eracourses.com (pri: 0) |
| TXT | 1 | v=spf1 a mx ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | aragorn.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (aragorn.ns.cloudflare.com, aragorn.ns.cloudflare.com, aragorn.ns.cloudflare.com...)
Analysis
IP Addresses
eracourses.com refers to four IP numbers: 2606:4700:3035::6815:555, 2606:4700:3036::ac43:8537, 104.21.5.85 and 172.67.133.55.
Other host names, for instance api.breitbart.com, stellarlabs.digital, beeball.eu.org, cdn945-crashtrack.coupons and spainbuyingguide.com share IP numbers with eracourses.com.
Name Servers
eracourses.com's delegation uses two name servers: aragorn.ns.cloudflare.com and aurora.ns.cloudflare.com.
eracourses.com uses the same name server setup as other domains, such as colourbanana.com, writfy.com, vixtec.com.br, barakhyberagency.com and nikouusitalo.com.
eracourses.com at least partially shares name servers with other domains, including wencheng.cc, affhat.com, aquiferreach.com, shipserv.com and technicalesytexg.com.
These name servers are commonly used together with the name servers bonnie.ns.cloudflare.com, fatima.ns.cloudflare.com, rustam.ns.cloudflare.com and uma.ns.cloudflare.com.
Host names with six IP numbers:
aragorn.ns.cloudflare.com points to 2606:4700:58::adf5:3b43, 2803:f800:50::6ca2:c143, 2a06:98c1:50::ac40:2143, 108.162.193.67, 172.64.33.67 and 173.245.59.67.
aurora.ns.cloudflare.com points to 2606:4700:50::a29f:266e, 2803:f800:50::6ca2:c26e, 2a06:98c1:50::ac40:226e, 108.162.194.110, 162.159.38.110 and 172.64.34.110.
Mail Servers
A single mail server handles eracourses.com, mail.eracourses.com.