calculuslessons.lol - robtex.com
calculuslessons.lol
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:dd2c🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:237b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.35.123Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.221.44🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | clayton.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2ce2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | clayton.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3e2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | clayton.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23e2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | clayton.ns.cloudflare.com | ||||||
| A | 108.162.195.226🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | clayton.ns.cloudflare.com | ||||||
| A | 162.159.44.226Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | clayton.ns.cloudflare.com | ||||||
| A | 172.64.35.226🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | clayton.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 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.35.123, 172.67.221.44 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:dd2c, 2606:4700:3037::6815:237b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com | ||||||
| SOA | clayton.ns.cloudflare.comdns@cloudflare.com serial=2403382152 | ||||||
lol
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.lol | ||||||
| NS | b.nic.lol | ||||||
| NS | c.nic.lol | ||||||
| NS | d.nic.lol | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1778455049 | ||||||
Subdomains
rootingalgebra.calculuslessons.lol |
Same first word
calculuslessons.com |
calculuslessons.lol |
DNS History
6 records (6 active, 0 former)
●NSclayton.ns.cloudflare.com2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 23:24:36
●NSmary.ns.cloudflare.com2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 23:24:36
●A104.21.35.1232026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 23:24:36
●A172.67.221.442026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 23:24:36
●A2606:4700:3030::ac43:dd2c2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 23:24:36
●A2606:4700:3037::6815:237b2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 23:24:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lol | a.nic.lol, c.nic.lol, b.nic.lol, d.nic.lol | - |
| calculuslessons.lol | mary.ns.cloudflare.com, clayton.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.226
NS records: mary.ns.cloudflare.com, clayton.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calculuslessons.lol (unsigned zone)
⏱️ Timing
Total: 422ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.35.123, 172.67.221.44 |
| AAAA | 2 | 2606:4700:3030::ac43:dd2c, 2606:4700:3037::6815:237b |
| NS | 2 | clayton.ns.cloudflare.com, mary.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | clayton.ns.cloudflare.com dns.cloudflare |
Analysis
Hierarchy
The parent of rootingalgebra.calculuslessons.lol is calculuslessons.lol.
IP Addresses
calculuslessons.lol maps to four IP numbers: 2606:4700:3030::ac43:dd2c, 2606:4700:3037::6815:237b, 104.21.35.123 and 172.67.221.44.
other host names include plusble.com, g855v4.com, jp1.qqqqqq.cf, ns2.hosting-server.net and 888starz-egypt-ar.com; they share IP numbers with calculuslessons.lol.
Name Servers
Two name servers clayton.ns.cloudflare.com and mary.ns.cloudflare.com handle the delegation for calculuslessons.lol.
calculuslessons.lol shares the same name server setup as other domains, for instance metamask-app.pages.dev, insentiv.com, halamkhoobee.com, tyxivance.com and merlonconsulting.com.
calculuslessons.lol at least partially shares name servers with other domains, for instance fitstrongunitedcrossfit.com, lcfc.it, rafinitagateway.com, weiden.at and acaologistica.com.
These name servers are commonly used alongside elsa.ns.cloudflare.com.
Six IP addresses per host:
clayton.ns.cloudflare.com points to 2606:4700:58::a29f:2ce2, 2803:f800:50::6ca2:c3e2, 2a06:98c1:50::ac40:23e2, 108.162.195.226, 162.159.44.226 and 172.64.35.226; 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