math-tutors.org - robtex.com
math-tutors.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:4396🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:b15c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.67.150Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.177.92🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | amber.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a40🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amber.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c040🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | amber.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2040🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | amber.ns.cloudflare.com | ||||||
| A | 108.162.192.64🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amber.ns.cloudflare.com | ||||||
| A | 172.64.32.64🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amber.ns.cloudflare.com | ||||||
| A | 173.245.58.64🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amber.ns.cloudflare.com | ||||||
| NS | peter.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c03🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c303🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2303🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| A | 108.162.195.3🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| A | 162.159.44.3Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| A | 172.64.35.3🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| TXT | 58b70ec79679f8f4eb1c7e1206f69980f8e4d796 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.67.150, 172.67.177.92 | ||||||
| IPv6 hints | 2606:4700:3030::6815:4396, 2606:4700:3031::ac43:b15c | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=112, name=cloudflare-ech.com | ||||||
| SOA | amber.ns.cloudflare.comdns@cloudflare.com serial=2398840114 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1776152706 | ||||||
Subdomains
www.math-tutors.org |
Same first word
math-tutors.org |
DNS History
6 records (6 active, 0 former)
●NSamber.ns.cloudflare.com2026-03-11 → 2026-04-14 · 2 obs
● 2026-04-14 08:03:36
●NSpeter.ns.cloudflare.com2026-03-11 → 2026-04-14 · 2 obs
● 2026-04-14 08:03:36
●A104.21.67.1502026-03-11 → 2026-04-14 · 2 obs
● 2026-04-14 08:03:36
●A172.67.177.922026-03-11 → 2026-04-14 · 2 obs
● 2026-04-14 08:03:36
●A2606:4700:3030::6815:43962026-03-11 → 2026-04-14 · 2 obs
● 2026-04-14 08:03:36
●A2606:4700:3031::ac43:b15c2026-03-11 → 2026-04-14 · 2 obs
● 2026-04-14 08:03:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| math-tutors.org | peter.ns.cloudflare.com, amber.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.64
NS records: peter.ns.cloudflare.com, amber.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for math-tutors.org (unsigned zone)
⏱️ Timing
Total: 374ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.67.150, 172.67.177.92 |
| AAAA | 2 | 2606:4700:3030::6815:4396, 2606:4700:3031::ac43:b15c |
| NS | 2 | amber.ns.cloudflare.com, peter.ns.cloudflare.com |
| TXT | 1 | 58b70ec79679f8f4eb1c7e1206f69980f8e4d796 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | amber.ns.cloudflare.com dns.cloudflare.c |
Analysis
Hierarchy
math-tutors.org is the parent of www.math-tutors.org.
IP Addresses
math-tutors.org points to four IP numbers: 2606:4700:3030::6815:4396, 2606:4700:3031::ac43:b15c, 104.21.67.150 and 172.67.177.92.
Other host names including kadinsaumlaki.org, pinchevsky.com, bluestockingcr.com, lokovoreliaresources26.digital and paulzimmermann.me share IP numbers with math-tutors.org.
Name Servers
math-tutors.org's delegation uses two name servers, amber.ns.cloudflare.com and peter.ns.cloudflare.com.
math-tutors.org shares the same name server setup as other domains, for example multichaintoken.live, glonx.com, spxs6900.world, axondao.network and customerdrivencomputing.net.
math-tutors.org at least partially shares name servers with other domains, including walkerandhawkes.com, atldns.net, lightin-thebox.com, rollaclub.com and qualityreviewp.com.
These name servers are often used together with amit.ns.cloudflare.com.
Host names with six IP numbers:
amber.ns.cloudflare.com points to: 2606:4700:50::adf5:3a40, 2803:f800:50::6ca2:c040, 2a06:98c1:50::ac40:2040, 108.162.192.64, 172.64.32.64 and 173.245.58.64.
peter.ns.cloudflare.com points to: 2606:4700:58::a29f:2c03, 2803:f800:50::6ca2:c303, 2a06:98c1:50::ac40:2303, 108.162.195.3, 162.159.44.3 and 172.64.35.3.