tdchang.com - robtex.com
tdchang.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.gabia.co.kr ⭐ | ||||||
| A | 20.200.205.248🇰🇷 Microsoft20.192.0.0/10 | ||||||
| NS | ns.gabia.co.kr | ||||||
| A | 43.201.170.100🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com | ||||||
| NS | ns.gabia.net | ||||||
| A | 121.78.117.39🇰🇷 GABIA-AS-KR121.78.117.0/24 Transit customer route announce | ||||||
| PTR | ns1.gabia.co.kr | ||||||
| A | 211.234.124.90🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary | ||||||
| NS | ns1.gabia.net | ||||||
| A | 121.254.178.133🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| PTR | ns1.gabia.net | ||||||
| MX | mailapp.hiworks.co.kr ⭐ | ||||||
| A | 45.120.71.59🇰🇷 DACOM-NET45.120.71.0/24 | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| A | 121.254.168.55🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| A | 211.47.76.59🇰🇷 DACOM-NET211.47.76.0/24 proxy for HANARO TELECOM route | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| TXT | v=spf1 ip4:211.43.212.211 ip4:121.254.168.81 include:_spf.hiworks.co.kr ~all | ||||||
| SOA | ns.gabia.co.krhosting@gabia.com 2019-12-03 #16 | ||||||
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=1774416637 | ||||||
Subdomains
mail.tdchang.com |
Same first word
tdchang.com |
Similar names
DNS History
11 records (5 active, 6 former)
●NSns.gabia.co.kr2015-05-31 → 2026-03-25 · 3 obs
● 2015-05-31 23:35:20
● 2026-03-25 05:41:28
○NSns.gabia.co.kr.tdchang.com2015-05-31 → 2016-03-27 · 5 obs
● 2015-05-31 23:35:20
● 2016-03-27 23:43:38
○ 2016-09-10 16:46:36
○ 2026-03-25 05:41:28
●NSns.gabia.net2015-05-31 → 2026-03-25 · 3 obs
● 2015-05-31 23:35:20
● 2026-03-25 05:41:28
●NSns1.gabia.co.kr2015-05-31 → 2026-03-25 · 3 obs
● 2015-05-31 23:35:20
● 2026-03-25 05:41:28
●NSns1.gabia.net2015-05-31 → 2026-03-25 · 3 obs
● 2015-05-31 23:35:20
● 2026-03-25 05:41:28
○NSns1.phpwebhosting.com2008-03-09 → 2008-03-09 · 3 obs
○ 2015-05-31 23:35:20
○ 2026-03-25 05:41:28
○NSns2.phpwebhosting.com2008-03-09 → 2008-03-09 · 3 obs
○ 2015-05-31 23:35:20
○ 2026-03-25 05:41:28
○MXmail.tdchang.com2008-03-09 → 2008-03-09 · 3 obs
○ 2015-05-31 23:35:20
○ 2026-03-25 05:41:28
●MXmailapp.hiworks.co.kr2015-05-31 → 2026-03-25 · 3 obs
● 2015-05-31 23:35:20
● 2026-03-25 05:41:28
○A121.254.168.812015-05-31 → 2016-03-27 · 5 obs
● 2015-05-31 23:35:20
● 2016-03-27 23:43:38
○ 2016-09-10 16:46:36
○ 2026-03-25 05:41:28
○A67.19.13.1942008-03-09 → 2008-03-09 · 3 obs
○ 2015-05-31 23:35:20
○ 2026-03-25 05:41:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net... | - |
| tdchang.com | ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net, ns1.gabia.net | - |
✅ Authoritative Response
Server:20.200.205.248
NS records: ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net, ns1.gabia.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tdchang.com (unsigned zone)
⏱️ Timing
Total: 1292ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns.gabia.co.kr, ns1.gabia.co.kr... |
| MX | 1 | mailapp.hiworks.co.kr (pri: 10) |
| TXT | 1 | v=spf1 ip4:211.43.212.211 ip4:121.254.16 |
| SOA | 1 | ns.gabia.co.kr hosting.gabia.com |
Analysis
Hierarchy
The parent of mail.tdchang.com is tdchang.com.
Name Servers
tdchang.com is delegated to four name servers: ns1.gabia.net, ns.gabia.net, ns1.gabia.co.kr and ns.gabia.co.kr.
tdchang.com at least partially shares name servers with other domains, for instance immall.net, sigmasoft.co.kr, karaoke-perfect.co.kr, fnc.co.kr and uga.co.kr.
Host names with two IP numbers:
ns.gabia.net points to: 121.78.117.39 and 211.234.124.90.
Host names with one IP number:
ns1.gabia.net points to: 121.254.178.133.
ns1.gabia.co.kr points to: 20.200.205.248.
ns.gabia.co.kr points to: 43.201.170.100.
Mail Servers
tdchang.com is handled by a single mail server, mailapp.hiworks.co.kr.
The mail server setup for tdchang.com matches that of other domains, for instance e-jumbo.co.kr, inva.or.kr, jtch.co.kr, kmaxair.com and posttelink.com.
tdchang.com shares mail servers with other domains, for instance hanafax.com and lokedu.kr.
Host mailapp.hiworks.co.kr resolves to three IPs: 45.120.71.59, 121.254.168.55 and 211.47.76.59.