smart-tutorials.info - dns.ninja
smart-tutorials.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:3990🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:a458🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.57.144Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.164.88🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | tani.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3ae0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tani.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0e0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tani.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20e0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tani.ns.cloudflare.com | ||||||
| A | 108.162.192.224🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tani.ns.cloudflare.com | ||||||
| A | 172.64.32.224🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tani.ns.cloudflare.com | ||||||
| A | 173.245.58.224🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tani.ns.cloudflare.com | ||||||
| NS | todd.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b92🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | todd.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c192🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | todd.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2192🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | todd.ns.cloudflare.com | ||||||
| A | 108.162.193.146🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | todd.ns.cloudflare.com | ||||||
| A | 172.64.33.146🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | todd.ns.cloudflare.com | ||||||
| A | 173.245.59.146🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | todd.ns.cloudflare.com | ||||||
| TXT | google-site-verification=HGatTj4odtiL2WrIFQQoUMknYCySmAi9uuK_Aq1eHug | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.57.144, 172.67.164.88 | ||||||
| IPv6 hints | 2606:4700:3035::6815:3990, 2606:4700:3037::ac43:a458 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com | ||||||
| SOA | tani.ns.cloudflare.comdns@cloudflare.com serial=2404604064 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1781771476 | ||||||
Same first word
smart-tutorials.info |
DNS History
6 records (6 active, 0 former)
●NStani.ns.cloudflare.com2026-02-20 → 2026-06-18 · 2 obs
● 2026-06-18 08:45:28
●NStodd.ns.cloudflare.com2026-02-20 → 2026-06-18 · 2 obs
● 2026-06-18 08:45:28
●A104.21.57.1442026-02-20 → 2026-06-18 · 2 obs
● 2026-06-18 08:45:28
●A172.67.164.882026-02-20 → 2026-06-18 · 2 obs
● 2026-06-18 08:45:28
●A2606:4700:3035::6815:39902026-02-20 → 2026-06-18 · 2 obs
● 2026-06-18 08:45:28
●A2606:4700:3037::ac43:a4582026-02-20 → 2026-06-18 · 2 obs
● 2026-06-18 08:45:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a2.info.afilias-nst.info, a0.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| smart-tutorials.info | todd.ns.cloudflare.com, tani.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.146
NS records: todd.ns.cloudflare.com, tani.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smart-tutorials.info (unsigned zone)
⏱️ Timing
Total: 174ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.164.88, 104.21.57.144 |
| AAAA | 2 | 2606:4700:3037::ac43:a458, 2606:4700:3035::6815:3990 |
| NS | 2 | tani.ns.cloudflare.com, todd.ns.cloudflare.com |
| TXT | 1 | google-site-verification=HGatTj4odtiL2Wr |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | tani.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
smart-tutorials.info points to the four IP addresses 104.21.57.144, 172.67.164.88, 2606:4700:3035::6815:3990 and 2606:4700:3037::ac43:a458.
Two other host names, along with chinadinghao.com, alternate.baylenvietnam.com and afreeze.com, also share IP numbers with smart-tutorials.info.
Name Servers
The NS records for smart-tutorials.info delegate to tani.ns.cloudflare.com and todd.ns.cloudflare.com.
smart-tutorials.info shares its NS records with other domains, for example oceanofexe.com, ebooksvilla.com, beginners-tutorials.info and two others.
There is at least partial name server overlap between smart-tutorials.info and other domains — fatca.co.il, baconsult.ru, orbesargentina.com and two more among them.
These name servers frequently co-occur with the name servers graham.ns.cloudflare.com and kim.ns.cloudflare.com.
DNS names with 6 IP addresses:
tani.ns.cloudflare.com maps to 108.162.192.224, 172.64.32.224, 173.245.58.224 and 3 additional IP addresses.
todd.ns.cloudflare.com maps to 108.162.193.146, 172.64.33.146, 173.245.59.146 and 3 additional IP addresses.