multicanaishd.courses - robtex.com
multicanaishd.courses
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:2511🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:ca6c🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.37.17Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.202.108🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alice.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a3c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c03c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:203c🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| A | 108.162.192.60🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| A | 172.64.32.60🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| A | 173.245.58.60🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| NS | lars.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bc3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lars.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1c3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lars.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21c3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lars.ns.cloudflare.com | ||||||
| A | 108.162.193.195🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lars.ns.cloudflare.com | ||||||
| A | 172.64.33.195🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lars.ns.cloudflare.com | ||||||
| A | 173.245.59.195🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lars.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.37.17, 172.67.202.108 | ||||||
| IPv6 hints | 2606:4700:3035::6815:2511, 2606:4700:3036::ac43:ca6c | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=159, name=cloudflare-ech.com | ||||||
| SOA | alice.ns.cloudflare.comdns@cloudflare.com serial=2406911518 | ||||||
courses
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.courses ⭐ | ||||||
| NS | b.nic.courses | ||||||
| NS | c.nic.courses | ||||||
| NS | x.nic.courses | ||||||
| NS | y.nic.courses | ||||||
| NS | z.nic.courses | ||||||
| SOA | a.nic.coursesadmin@tldns.godaddy serial=1786342659 | ||||||
⚠️ On DNS blocklist: spam-tlds
Same first word
DNS History
6 records (6 active, 0 former)
●NSalice.ns.cloudflare.com2026-08-02 → 2026-08-10 · 2 obs
● 2026-08-10 06:30:30
●NSlars.ns.cloudflare.com2026-08-02 → 2026-08-10 · 2 obs
● 2026-08-10 06:30:30
●A104.21.37.172026-08-02 → 2026-08-10 · 2 obs
● 2026-08-10 06:30:30
●A172.67.202.1082026-08-02 → 2026-08-10 · 2 obs
● 2026-08-10 06:30:30
●A2606:4700:3035::6815:25112026-08-02 → 2026-08-10 · 2 obs
● 2026-08-10 06:30:30
●A2606:4700:3036::ac43:ca6c2026-08-02 → 2026-08-10 · 2 obs
● 2026-08-10 06:30:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | z.nic.courses, b.nic.courses, x.nic.courses, y.nic.courses... | 12 records |
| multicanaishd.courses | lars.ns.cloudflare.com, alice.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.60
NS records: lars.ns.cloudflare.com, alice.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for multicanaishd.courses (unsigned zone)
⏱️ Timing
Total: 515ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.37.17, 172.67.202.108 |
| AAAA | 2 | 2606:4700:3036::ac43:ca6c, 2606:4700:3035::6815:2511 |
| NS | 2 | alice.ns.cloudflare.com, lars.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alice.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (z.nic.courses, z.nic.courses, b.nic.courses...)
Analysis
IP Addresses
multicanaishd.courses directs to four IP numbers, which are 104.21.37.17, 172.67.202.108, 2606:4700:3035::6815:2511 and 2606:4700:3036::ac43:ca6c.
Two other host names, along with www.storrskoreanchurch.org, ledgerworkstrust.info and bb.ahzqsy.cn, also share IP numbers with multicanaishd.courses.
Name Servers
multicanaishd.courses uses two name servers for its delegation: alice.ns.cloudflare.com and lars.ns.cloudflare.com.
multicanaishd.courses shares its NS records with other domains, for example itrip.net, devss.xyz, itripflorida.com and two others.
There is at least partial name server overlap between multicanaishd.courses and other domains — stormhavennh.com, devforge.workers.dev, footprints2heritage.ca and two more among them.
These name servers are routinely deployed together with the name servers evan.ns.cloudflare.com.
DNS names with 6 IP addresses:
Hostname alice.ns.cloudflare.com directs to 108.162.192.60, 172.64.32.60 and 173.245.58.60 along with 3 other IP addresses.
Hostname lars.ns.cloudflare.com directs to 108.162.193.195, 172.64.33.195 and 173.245.59.195 along with 3 other IP addresses.