letutech.cn - robtex.com
letutech.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 127.0.0.1 | ||||||
| NS | ns1.exp.4cun.com ⚠️ Not in zone NS records | ||||||
| A | 60.190.243.160🇨🇳 CT-HangZhou-IDC60.190.243.0/24 Chinanet-HangZhou-IDC | ||||||
| NS | ns2.exp.4cun.com ⚠️ Not in zone NS records | ||||||
| A | 60.190.243.160🇨🇳 CT-HangZhou-IDC60.190.243.0/24 Chinanet-HangZhou-IDC | ||||||
| MX | mail.happyisp.com ⭐ | ||||||
| A | 5.161.49.68🇺🇸 HETZNER-CLOUD2-AS5.161.49.0/24 | ||||||
| PTR | mail.happyisp.com | ||||||
| A | 137.184.158.105🇺🇸 DIGITALOCEAN137.184.144.0/20 DigitalOcean | ||||||
| PTR | mail.happyisp.com | ||||||
| TXT | v=spf1 ip6:fd0d:d741:e183::/48 -all | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034589425 | ||||||
rank #10816 in the tld
Same first word
letutech.cn |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.exp.4cun.com2026-03-04 → 2026-03-26 · 2 obs
● 2026-03-26 11:36:24
●NSns2.exp.4cun.com2026-03-04 → 2026-03-26 · 2 obs
● 2026-03-26 11:36:24
●MXmail.happyisp.com2026-03-04 → 2026-03-26 · 2 obs
● 2026-03-26 11:36:24
●A127.0.0.12026-03-04 → 2026-03-26 · 2 obs
● 2026-03-26 11:36:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| letutech.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for letutech.cn (unsigned zone)
⏱️ Timing
Total: 2080ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
Analysis
IP Addresses
letutech.cn points to a single IP number: 127.0.0.1.
other host names for instance jdvu.cn, succuessfactors.com, offene-hilfen-alzey.de, ms-bg-02022017-3-142.stretchoid.com and 190-1-39-122.bvconline.com.ar share IP numbers with letutech.cn.
Name Servers
letutech.cn is delegated to two name servers: ns1.exp.4cun.com and ns2.exp.4cun.com.
letutech.cn shares the same name server setup as other domains, for example hctoss.com, eabend.com, mtggs.com, century-fairs.com and zxuat.com.
Host names with a single IP number:
ns1.exp.4cun.com points to 60.190.243.160 and ns2.exp.4cun.com points to 60.190.243.160.
Host names that point to 60.190.243.160: ns1.exp.4cun.com and ns2.exp.4cun.com.
Mail Servers
letutech.cn is handled by a single mail server, mail.happyisp.com.
letutech.cn shares the same mail server setup as other domains, for instance matloob.org, alaufi.com, frra.cn, asdun.cn and renci.cn.
Host mail.happyisp.com resolves to two IPs: 5.161.49.68 and 137.184.158.105.