tech2030.com - dns.ninja
tech2030.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix | ||||||
| NS | ns1.sdsns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 211.115.203.112🇰🇷 HOSTWAY-AS-KR211.115.203.0/24 SejongTelecom.co.ltd | ||||||
| NS | ns2.sdsns.com ⚠️ Not in parent delegation | ||||||
| A | 211.239.157.110🇰🇷 HOSTWAY-AS-KR211.239.157.0/24 SejongTelecom.co.ltd | ||||||
| NS | ns3.direct.co.kr | ||||||
| A | 211.115.203.112🇰🇷 HOSTWAY-AS-KR211.115.203.0/24 SejongTelecom.co.ltd | ||||||
| NS | ns4.direct.co.kr | ||||||
| A | 211.239.157.110🇰🇷 HOSTWAY-AS-KR211.239.157.0/24 SejongTelecom.co.ltd | ||||||
| MX | mail.tech2030.com ⭐ | ||||||
| A | 121.189.61.158🇰🇷 KT-NET121.184.0.0/13 | ||||||
| TXT | v=spf1 redirect=_spf.mailnara.co.kr | ||||||
| SOA | ns1.sdsns.comnameserver@sds.co.kr 2010-07-26 #10 | ||||||
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=1786865529 | ||||||
Subdomains
mail.tech2030.com |
Same first word
tech2030.com |
DNS History
7 records (6 active, 1 former)
●NSns2.sdsns.com2026-07-12 → 2026-08-16 · 3 obs
● 2026-07-12 07:25:04
● 2026-08-16 07:51:04
●NSns3.direct.co.kr2015-08-07 → 2026-08-16 · 2 obs
● 2026-08-16 07:51:04
●NSns4.direct.co.kr2015-08-07 → 2026-08-16 · 2 obs
● 2026-08-16 07:51:04
●MXmail.tech2030.com2015-08-07 → 2026-08-16 · 2 obs
● 2026-08-16 07:51:04
○A211.239.157.902015-08-07 → 2017-07-09 · 4 obs
● 2017-07-09 05:58:10
○ 2026-07-12 07:25:04
○ 2026-08-16 07:51:04
●A216.198.79.12026-07-12 → 2026-08-16 · 3 obs
● 2026-07-12 07:25:04
● 2026-08-16 07:51:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net... | - |
| tech2030.com | ns3.direct.co.kr, ns4.direct.co.kr | - |
✅ Authoritative Response
Server:211.115.203.112
NS records: ns3.direct.co.kr, ns4.direct.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tech2030.com (unsigned zone)
⏱️ Timing
Total: 2380ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 4 | ns3.direct.co.kr, ns4.direct.co.kr... |
| MX | 1 | mail.tech2030.com (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.mailnara.co.kr |
| SOA | 1 | ns1.sdsns.com nameserver.sds.co.kr |
Analysis
Hierarchy
tech2030.com is the parent zone for mail.tech2030.com.
IP Addresses
tech2030.com resolves to one IP address: 216.198.79.1.
fobingo.com, hummilashes.com, exsolulu.com and two other host names share IP numbers with tech2030.com.
Name Servers
The authoritative name servers for tech2030.com are ns1.sdsns.com, ns2.sdsns.com, ns3.direct.co.kr and ns4.direct.co.kr.
tech2030.com partially shares its NS delegation with several other domains, including toread.co.kr, devguru.jp, kohyun.co.kr and two others.
These name servers often co-occur with the name servers ns1.direct.co.kr.
Host names ns1.sdsns.com, ns2.sdsns.com, ns3.direct.co.kr and ns4.direct.co.kr each have one IP address. Notably, ns1.sdsns.com and ns3.direct.co.kr resolve to the same address 211.115.203.112, and ns2.sdsns.com and ns4.direct.co.kr resolve to the same address 211.239.157.110.
ns1.sdsns.com and ns3.direct.co.kr are host names that each point to 211.115.203.112 IP addresses.
ns2.sdsns.com and ns4.direct.co.kr are host names that each point to 211.239.157.110 IP addresses.
Mail Servers
Mail for tech2030.com is handled by a single mail server, mail.tech2030.com.
mail.tech2030.com resolves to a single IP number: 121.189.61.158.