tuftech.org - robtex.com
tuftech.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:20::681a:4a5🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::681a:5a5🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:47dd🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.4.165Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.5.165Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.71.221🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | kim.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a7e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kim.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c07e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kim.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:207e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kim.ns.cloudflare.com | ||||||
| A | 108.162.192.126🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kim.ns.cloudflare.com | ||||||
| A | 172.64.32.126🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kim.ns.cloudflare.com | ||||||
| A | 173.245.58.126🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kim.ns.cloudflare.com | ||||||
| NS | tom.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b93🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c193🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2193🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 108.162.193.147🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 172.64.33.147🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 173.245.59.147🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| MX | mx1.qiye.aliyun.com ⭐ | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| MX | mx2.qiye.aliyun.com(10) | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| MX | mx3.qiye.aliyun.com(15) | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| TXT | openai-domain-verification=dv-nUEEhbPWcBGanz8qNxXrzKCg | ||||||
| TXT | v=spf1 include:spf.qiye.aliyun.com -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.26.4.165, 104.26.5.165, 172.67.71.221 | ||||||
| IPv6 | 2606:4700:20::681a:4a5, 2606:4700:20::681a:5a5, 2606:4700:20::ac43:47dd | ||||||
| SOA | kim.ns.cloudflare.comdns@cloudflare.com serial=2400519424 | ||||||
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=1775059664 | ||||||
Same first word
Similar names
DNS History
11 records (11 active, 0 former)
●NSkim.ns.cloudflare.com2026-03-05 → 2026-04-01 · 2 obs
● 2026-04-01 16:42:18
●NStom.ns.cloudflare.com2026-03-05 → 2026-04-01 · 2 obs
● 2026-04-01 16:42:18
●MXmx1.qiye.aliyun.com2026-03-05 → 2026-04-01 · 2 obs
● 2026-04-01 16:42:18
●MXmx2.qiye.aliyun.com2026-03-05 → 2026-04-01 · 2 obs
● 2026-04-01 16:42:18
●MXmx3.qiye.aliyun.com2026-03-05 → 2026-04-01 · 2 obs
● 2026-04-01 16:42:18
●A104.26.4.1652026-03-05 → 2026-04-01 · 2 obs
● 2026-04-01 16:42:18
●A104.26.5.1652026-03-05 → 2026-04-01 · 2 obs
● 2026-04-01 16:42:18
●A172.67.71.2212026-03-05 → 2026-04-01 · 2 obs
● 2026-04-01 16:42:18
●A2606:4700:20::681a:4a52026-03-05 → 2026-04-01 · 2 obs
● 2026-04-01 16:42:18
●A2606:4700:20::681a:5a52026-03-05 → 2026-04-01 · 2 obs
● 2026-04-01 16:42:18
●A2606:4700:20::ac43:47dd2026-03-05 → 2026-04-01 · 2 obs
● 2026-04-01 16:42:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| tuftech.org | tom.ns.cloudflare.com, kim.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.147
NS records: tom.ns.cloudflare.com, kim.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tuftech.org (unsigned zone)
⏱️ Timing
Total: 582ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 104.26.4.165, 172.67.71.221... |
| AAAA | 3 | 2606:4700:20::681a:4a5, 2606:4700:20::681a:5a5... |
| NS | 2 | kim.ns.cloudflare.com, tom.ns.cloudflare.com |
| MX | 3 | mx2.qiye.aliyun.com (pri: 10), mx3.qiye.aliyun.com (pri: 15)... |
| TXT | 2 | openai-domain-verification=dv-nUEEhbPWcB, v=spf1 include:spf.qiye.aliyun.com -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | kim.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
tuftech.org resolves to six IP numbers: 2606:4700:20::681a:4a5, 2606:4700:20::681a:5a5, 2606:4700:20::ac43:47dd, 104.26.4.165, 104.26.5.165 and 172.67.71.221.
Other host names, for instance podushka.com.ua, astroshop.pl, www.moskorealty.com, www.zurb.com and blog.alfa.cash share IP numbers with tuftech.org.
Name Servers
Two name servers kim.ns.cloudflare.com and tom.ns.cloudflare.com handle delegation for tuftech.org.
tuftech.org uses the same name server setup as other domains, for example videofirst.com, knogin.com, sorozat-barat.online, globee.net and yefeth.com.
tuftech.org partially shares name servers with other domains; examples include advertizing.cn, cashbackbro.com, commuter.io, jiankangbaoku.com.cn and aquatal.co.il.
These name servers are commonly used with leif.ns.cloudflare.com, casey.ns.cloudflare.com and edna.ns.cloudflare.com.
Host names with six IP numbers: kim.ns.cloudflare.com points to: 2606:4700:50::adf5:3a7e, 2803:f800:50::6ca2:c07e, 2a06:98c1:50::ac40:207e, 108.162.192.126, 172.64.32.126 and 173.245.58.126; tom.ns.cloudflare.com points to: 2606:4700:58::adf5:3b93, 2803:f800:50::6ca2:c193, 2a06:98c1:50::ac40:2193, 108.162.193.147, 172.64.33.147 and 173.245.59.147.
Mail Servers
tuftech.org is handled by three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
tuftech.org shares some mail servers with other domains, at least partially, such as hnchuangtou.com, abart.com, mobvista.com, mozartsemi.com and tengwinpack.com.
These mail servers are often used together with mxn.mxhichina.com and mxw.mxhichina.com.
Host names with two IP numbers:
mx3.qiye.aliyun.com has IPs 47.246.136.231 and 47.246.137.47.
Host names with one IP number:
mx1.qiye.aliyun.com has IP 47.246.137.47.
mx2.qiye.aliyun.com has IP 47.246.136.231.
Host names that point to 47.246.136.231: mx3.qiye.aliyun.com and mx2.qiye.aliyun.com.
Host names that point to 47.246.137.47: mx3.qiye.aliyun.com and mx1.qiye.aliyun.com.