stdeng.com - dns.ninja
stdeng.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.111.100.193🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| NS | ns9.dnszi.com ⭐ | ||||||
| A | 121.78.251.23🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net | ||||||
| NS | ns25.dnszi.com | ||||||
| A | 58.120.225.173🇰🇷 SKB-NET58.120.0.0/13 auto-generated route object for 58.120.0.0/13 | ||||||
| PTR | ns25.dnszi.com | ||||||
| NS | ns66.dnszi.com | ||||||
| A | 27.1.16.93🇰🇷 DAOU-AS-KR27.1.16.0/22 DAOU Tech | ||||||
| PTR | ns66.dnszi.com | ||||||
| NS | ns71.dnszi.com | ||||||
| A | 121.78.72.41🇰🇷 KINXIDC-AS-KR121.78.72.0/24 KINX-IDC | ||||||
| PTR | ns71.dnszi.com | ||||||
| NS | ns88.dnszi.com | ||||||
| A | 121.78.251.29🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net | ||||||
| MX | aspmx.daum.net ⭐ | ||||||
| A | 121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao | ||||||
| MX | alt.aspmx.daum.net(20) | ||||||
| A | 121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao | ||||||
| TXT | v=spf1 include:_spf.daum.net ~all | ||||||
| SOA | ns9.dnszi.comroot@dnszi.com 2022-09-14 #1 | ||||||
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=1781525470 | ||||||
Same first word
stdeng.com |
Similar names
DNS History
13 records (8 active, 5 former)
●MXalt.aspmx.daum.net2026-03-07 → 2026-06-15 · 3 obs
● 2026-03-07 09:50:40
● 2026-06-15 12:39:42
●MXaspmx.daum.net2026-03-07 → 2026-06-15 · 3 obs
● 2026-03-07 09:50:40
● 2026-06-15 12:39:42
○MXdmx-1.naver.com2015-05-04 → 2016-04-19 · 4 obs
● 2016-04-19 04:07:24
○ 2017-01-16 05:13:40
○ 2026-06-15 12:39:42
○MXdmx-2.naver.com2015-05-04 → 2017-01-16 · 4 obs
● 2017-01-16 05:13:40
○ 2026-03-07 09:50:40
○ 2026-06-15 12:39:42
○MXkr1-aspmx1.worksmobile.com2017-01-16 → 2017-01-16 · 4 obs
● 2017-01-16 05:13:40
○ 2026-03-07 09:50:40
○ 2026-06-15 12:39:42
○MXkr1-aspmx2.worksmobile.com2017-01-16 → 2017-01-16 · 4 obs
● 2017-01-16 05:13:40
○ 2026-03-07 09:50:40
○ 2026-06-15 12:39:42
○A112.175.246.972015-05-04 → 2017-01-16 · 4 obs
● 2017-01-16 05:13:40
○ 2026-03-07 09:50:40
○ 2026-06-15 12:39:42
●A183.111.100.1932026-03-07 → 2026-06-15 · 3 obs
● 2026-03-07 09:50:40
● 2026-06-15 12:39:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| stdeng.com | ns9.dnszi.com, ns25.dnszi.com, ns66.dnszi.com, ns71.dnszi.com... | 5 records |
✅ Authoritative Response
Server:121.78.72.41
NS records: ns9.dnszi.com, ns25.dnszi.com, ns66.dnszi.com, ns71.dnszi.com, ns88.dnszi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stdeng.com (unsigned zone)
⏱️ Timing
Total: 553ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.111.100.193 |
| NS | 5 | ns25.dnszi.com, ns71.dnszi.com... |
| MX | 2 | ASPMX.daum.net (pri: 10), ALT.ASPMX.daum.net (pri: 20) |
| TXT | 1 | v=spf1 include:_spf.daum.net ~all |
| SOA | 1 | ns9.dnszi.com root.dnszi.com |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns9.dnszi.com, ns25.dnszi.com, ns66.dnszi.com...)
Analysis
IP Addresses
stdeng.com has exactly one IP address — 183.111.100.193.
kselect.com, moonduk.net, sangjucrc.or.kr plus two other host names have IP numbers in common with stdeng.com.
Name Servers
Five name servers handle delegation for stdeng.com: ns25.dnszi.com, ns66.dnszi.com, ns71.dnszi.com and two others.
stdeng.com has at least partial name server overlap with other domains, such as star-lm.com, cacao-tree.com, xn--zs5b84x.net and two others.
It is common to see these name servers used together with name servers ns9.dnszi.com and ns88.dnszi.com.
Host names resolving to a single IP address:
ns25.dnszi.com resolves to the IP address 58.120.225.173.
ns66.dnszi.com resolves to the IP address 27.1.16.93.
ns71.dnszi.com resolves to the IP address 121.78.72.41.
ns88.dnszi.com resolves to the IP address 121.78.251.29.
ns9.dnszi.com resolves to the IP address 121.78.251.23.
Mail Servers
stdeng.com uses two mail servers, aspmx.daum.net and alt.aspmx.daum.net.
The mail server setup of stdeng.com matches that of other domains such as danngol.com, rules.co.kr, ihcjournal.com and two others.
stdeng.com has mail servers in common with other domains — for example convil.net and suare.co.kr.
Each of aspmx.daum.net and alt.aspmx.daum.net points to exactly one IP address: 121.53.85.23.
aspmx.daum.net and alt.aspmx.daum.net each have 121.53.85.23 IP addresses.