duteck.com - robtex.com
duteck.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | nic1.greatwall.net ⭐ | ||||||
| A | 202.39.49.133🇹🇼 HiNet202.39.0.0/18 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | nic1.vitalic.com | ||||||
| NS | nic2.greatwall.net | ||||||
| A | 202.39.49.140🇹🇼 HiNet202.39.0.0/18 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | imail.greatwall.net | ||||||
| MX | mail.duteck.com ⭐ | ||||||
| A | 104.237.55.27🇺🇸 WEBNX104.237.55.0/24 IP BLK | ||||||
| PTR | 104-237-55-27.static.webnx.com | ||||||
| TXT | v=spf1 ip4:104.237.55.27 ~all | ||||||
| SOA | nic1.greatwall.netroot@nic1.greatwall.net 2023-05-13 #21 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774704312 | ||||||
Subdomains
mail.duteck.com |
Same first word
duteck.com |
Similar names
duketc.com |
ductek.com |
duckte.com |
kctedu.com |
ducket.net |
tukced.com |
ductek.cl |
cutdek.com |
tcduke.com |
tedcuk.com |
detuck.com |
tudeck.com |
DNS History
4 records (3 active, 1 former)
●NSnic1.greatwall.net2015-07-23 → 2026-03-28 · 2 obs
● 2026-03-28 13:31:10
●NSnic2.greatwall.net2015-07-23 → 2026-03-28 · 2 obs
● 2026-03-28 13:31:10
●MXmail.duteck.com2015-07-23 → 2026-03-28 · 2 obs
● 2026-03-28 13:31:10
○A118.139.163.932015-07-23 → 2017-04-08 · 4 obs
● 2017-04-08 12:12:54
○ 2026-03-26 01:02:48
○ 2026-03-28 13:31:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| duteck.com | nic1.greatwall.net, nic2.greatwall.net | - |
✅ Authoritative Response
Server:202.39.49.133
NS records: nic1.greatwall.net, nic2.greatwall.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duteck.com (unsigned zone)
⏱️ Timing
Total: 846ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | nic2.greatwall.net, nic1.greatwall.net |
| MX | 1 | mail.duteck.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:104.237.55.27 ~all |
| SOA | 1 | nic1.greatwall.net root.nic1.greatwall.n |
Analysis
Hierarchy
duteck.com is the parent of mail.duteck.com.
Name Servers
duteck.com has two name servers: nic1.greatwall.net and nic2.greatwall.net.
duteck.com shares the same name server setup as other domains, for example gsibank.com, vasto.com, gtsgolf.com, chungfu.com.tw and karat-tw.com.
duteck.com shares some name servers with other domains, for example ght-tech.com, bbb-tw.com.tw, adleepower.com, xn--eqr601c.com and vigor-source.com.
These name servers are commonly used with the name servers dns2.greatwall.net.
Host names with a single IP:
nic1.greatwall.net points to 202.39.49.133
nic2.greatwall.net points to 202.39.49.140
Mail Servers
duteck.com is handled by a single mail server, mail.duteck.com.
Host name mail.duteck.com points to IP 104.237.55.27.