lbpbfa.courses - robtex.com
lbpbfa.courses
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:b266🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:5874🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.88.116Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.178.102🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | coco.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c068🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2068🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| A | 108.162.192.104🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| A | 172.64.32.104🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| A | 173.245.58.104🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| NS | phil.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b89🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c189🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2189🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 108.162.193.137🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 172.64.33.137🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 173.245.59.137🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| TXT | google-site-verification=hRZlzb_zQnsGEfwpGS_s9MXzcD9HbtKM-_fUaKzOEUA | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.88.116, 172.67.178.102 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:b266, 2606:4700:3033::6815:5874 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=66, name=cloudflare-ech.com | ||||||
| SOA | coco.ns.cloudflare.comdns@cloudflare.com serial=2401946310 | ||||||
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=1777162807 | ||||||
Subdomains
www.lbpbfa.courses |
Same first word
lbpbfa.courses |
DNS History
10 records (6 active, 4 former)
●NScoco.ns.cloudflare.com2026-03-28 → 2026-04-26 · 2 obs
● 2026-04-26 06:29:24
●NSphil.ns.cloudflare.com2026-03-28 → 2026-04-26 · 2 obs
● 2026-04-26 06:29:24
●A104.21.88.1162026-03-28 → 2026-04-26 · 5 obs
● 2026-04-13 07:25:54
○ 2026-04-13 13:54:58
● 2026-04-26 06:29:20
● 2026-04-26 06:29:24
●A172.67.178.1022026-03-28 → 2026-04-26 · 5 obs
● 2026-04-13 07:25:54
○ 2026-04-13 13:54:58
● 2026-04-26 06:29:20
● 2026-04-26 06:29:24
○A188.114.96.02026-04-13 → 2026-04-13 · 4 obs
● 2026-04-13 13:54:58
○ 2026-04-26 06:29:20
○ 2026-04-26 06:29:24
○A188.114.97.02026-04-13 → 2026-04-13 · 4 obs
● 2026-04-13 13:54:58
○ 2026-04-26 06:29:20
○ 2026-04-26 06:29:24
●A2606:4700:3031::ac43:b2662026-03-28 → 2026-04-26 · 5 obs
● 2026-04-13 07:25:54
○ 2026-04-13 13:54:58
● 2026-04-26 06:29:20
● 2026-04-26 06:29:24
●A2606:4700:3033::6815:58742026-03-28 → 2026-04-26 · 5 obs
● 2026-04-13 07:25:54
○ 2026-04-13 13:54:58
● 2026-04-26 06:29:20
● 2026-04-26 06:29:24
○A2a06:98c1:3120::2026-04-13 → 2026-04-13 · 4 obs
● 2026-04-13 13:54:58
○ 2026-04-26 06:29:20
○ 2026-04-26 06:29:24
○A2a06:98c1:3121::2026-04-13 → 2026-04-13 · 4 obs
● 2026-04-13 13:54:58
○ 2026-04-26 06:29:20
○ 2026-04-26 06:29:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses... | 12 records |
| lbpbfa.courses | phil.ns.cloudflare.com, coco.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.137
NS records: phil.ns.cloudflare.com, coco.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lbpbfa.courses (unsigned zone)
⏱️ Timing
Total: 1807ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.178.102, 104.21.88.116 |
| AAAA | 2 | 2606:4700:3033::6815:5874, 2606:4700:3031::ac43:b266 |
| NS | 2 | coco.ns.cloudflare.com, phil.ns.cloudflare.com |
| TXT | 1 | google-site-verification=hRZlzb_zQnsGEfw |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | coco.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)
Analysis
Hierarchy
The parent of www.lbpbfa.courses is lbpbfa.courses.
IP Addresses
lbpbfa.courses points to four IP numbers: 2606:4700:3031::ac43:b266, 2606:4700:3033::6815:5874, 104.21.88.116 and 172.67.178.102.
Other host names, for instance pvcalustolarija-lenaplast.com, lunabet78.net, minhshop.net, www.z3d.net and chilime.com.np share IP numbers with lbpbfa.courses.
Name Servers
lbpbfa.courses is delegated to two name servers: coco.ns.cloudflare.com and phil.ns.cloudflare.com.
lbpbfa.courses uses the same name server setup as other domains, for instance chnews6688.com, esience.shop, bullsteak.it, minecraftserver.com.au and pallistersproperty.co.uk.
lbpbfa.courses shares name servers with other domains at least partially, for instance r3.ro, vespercortex.com, cmsalgadosaofelix.pb.gov.br, moreit.pt and actypes.com.
these name servers are often used together with the name servers ernest.ns.cloudflare.com.
Host names with six IP numbers: coco.ns.cloudflare.com points to 2606:4700:50::adf5:3a68, 2803:f800:50::6ca2:c068, 2a06:98c1:50::ac40:2068, 108.162.192.104, 172.64.32.104 and 173.245.58.104; phil.ns.cloudflare.com points to 2606:4700:58::adf5:3b89, 2803:f800:50::6ca2:c189, 2a06:98c1:50::ac40:2189, 108.162.193.137, 172.64.33.137 and 173.245.59.137.