lessonmatch.app - robtex.com
lessonmatch.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:1952🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:85c8🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.25.82Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.133.200🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | anirban.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b40🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c140🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2140🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 108.162.193.64🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 172.64.33.64🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 173.245.59.64🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| NS | nia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ad2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0d2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20d2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 108.162.192.210🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 172.64.32.210🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 173.245.58.210🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| MX | mail.symphonichub.com(10) | ||||||
| A | 2a02:4780:41:906a::1🇨🇾 IIHOS0012a02:4780:41::/48 HOSTINGER DE | ||||||
| PTR | mail.symphonichub.com | ||||||
| A | 145.223.80.118🇳🇱 IIHOS001145.223.80.0/21 HOSTINGER DE | ||||||
| PTR | mail.symphonichub.com | ||||||
| TXT | google-site-verification=PzVqkWLJJuxpaxLjQ3UnTIhzOseU27ii9RKNky1vs70 | ||||||
| TXT | google-site-verification=eHSGS-WSZzXUL3401g9-Gqei-Zw0Ezm0l8lNqlZvMAU | ||||||
| TXT | v=spf1 include:_spf.mail.hostinger.com ip4:145.223.80.118 ip6:2a02:4780:41:90... | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.25.82, 172.67.133.200 | ||||||
| IPv6 hints | 2606:4700:3037::6815:1952, 2606:4700:3037::ac43:85c8 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=246, name=cloudflare-ech.com | ||||||
| SOA | anirban.ns.cloudflare.comdns@cloudflare.com serial=2409277803 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
lessonmatch.app |
Similar names
DNS History
10 records (7 active, 3 former)
●NSanirban.ns.cloudflare.com2026-08-08 → 2026-08-08 · 2 obs
● 2026-08-08 10:50:24
○NSatlas.dns-parking.com2026-06-30 → 2026-06-30 · 2 obs
○ 2026-08-08 10:50:24
○NShyperion.dns-parking.com2026-06-30 → 2026-06-30 · 2 obs
○ 2026-08-08 10:50:24
●NSnia.ns.cloudflare.com2026-08-08 → 2026-08-08 · 2 obs
● 2026-08-08 10:50:24
●MXmail.symphonichub.com2026-08-08 → 2026-08-08 · 1 obs
●A104.21.25.822026-08-08 → 2026-08-08 · 2 obs
● 2026-08-08 10:50:24
●A172.67.133.2002026-08-08 → 2026-08-08 · 2 obs
● 2026-08-08 10:50:24
○A2.57.91.912026-06-30 → 2026-06-30 · 2 obs
○ 2026-08-08 10:50:24
●A2606:4700:3037::6815:19522026-08-08 → 2026-08-08 · 2 obs
● 2026-08-08 10:50:24
●A2606:4700:3037::ac43:85c82026-08-08 → 2026-08-08 · 2 obs
● 2026-08-08 10:50:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com... | - |
| lessonmatch.app | anirban.ns.cloudflare.com, nia.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.64
NS records: anirban.ns.cloudflare.com, nia.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lessonmatch.app (unsigned zone)
⏱️ Timing
Total: 232ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.133.200, 104.21.25.82 |
| AAAA | 2 | 2606:4700:3037::ac43:85c8, 2606:4700:3037::6815:1952 |
| NS | 2 | anirban.ns.cloudflare.com, nia.ns.cloudflare.com |
| MX | 2 | mail.symphonichub.com (pri: 10), mail.symphonichub.com (pri: 5) |
| TXT | 3 | google-site-verification=PzVqkWLJJuxpaxL, google-site-verification=eHSGS-WSZzXUL34... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | anirban.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
lessonmatch.app points to the four IP addresses 104.21.25.82, 172.67.133.200, 2606:4700:3037::6815:1952 and 2606:4700:3037::ac43:85c8.
minverden.dk, clarorendolux.com, theonlinestudio.social plus two other host names have IP numbers in common with lessonmatch.app.
Name Servers
The NS records for lessonmatch.app delegate to anirban.ns.cloudflare.com and nia.ns.cloudflare.com.
The name server configuration of lessonmatch.app is shared with other domains, for instance vibish.com, iffadv.com, scholarsfirst.us and two others.
At least some of lessonmatch.app's name servers are shared with other domains, for example m-x.fr, cprguidelines.eu, sm188foto.top and two more.
Hosts with 6 IP addresses each:
anirban.ns.cloudflare.com maps to 108.162.193.64, 172.64.33.64, 173.245.59.64 and 3 additional IP addresses.
nia.ns.cloudflare.com maps to 108.162.192.210, 172.64.32.210, 173.245.58.210 and 3 additional IP addresses.
Mail Servers
lessonmatch.app uses one mail server — mail.symphonichub.com.
mail.symphonichub.com directs to two IP numbers, 145.223.80.118 and 2a02:4780:41:906a::1.