devguru.jp - dns.ninja
devguru.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.239.157.19🇰🇷 HOSTWAY-AS-KR211.239.157.0/24 SejongTelecom.co.ltd | ||||||
| NS | ns1.sdsns.com ⭐ | ||||||
| A | 211.115.203.112🇰🇷 HOSTWAY-AS-KR211.115.203.0/24 SejongTelecom.co.ltd | ||||||
| NS | ns2.sdsns.com | ||||||
| A | 211.239.157.110🇰🇷 HOSTWAY-AS-KR211.239.157.0/24 SejongTelecom.co.ltd | ||||||
| MX | mail.devguru.jp ⭐ | ||||||
| A | 121.189.61.151🇰🇷 KT-NET121.184.0.0/13 | ||||||
| SOA | ns1.sdsns.comfirechoi@sds.co.kr 2011-01-12 #13 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1786930202 | ||||||
Subdomains
mail.devguru.jp |
Same first word
devguru.co.kr |
devguru.io |
devguru.co |
devguru.xyz |
devguru.net |
devguru.co.za |
devguru.pl |
devguru.com.br |
devguru.org |
devguru.com |
devguru.jp |
devguru.co.uk |
Similar names
gurudev.cl |
gurudev.co |
gurudev.work |
vedguru.com |
gurudev.net |
gurudev.uk |
gurudev.ch |
gurudev.us |
gurudev.ca |
gurudev.de |
vedguru.org |
gurudev.org |
gurudev.com |
guruved.com |
gurudev.co.uk |
gurudev.in |
DNS History
4 records (4 active, 0 former)
●MXmail.devguru.jp2015-06-21 → 2026-08-17 · 2 obs
● 2026-08-17 02:15:32
●A211.239.157.192015-06-21 → 2026-08-17 · 5 obs
● 2026-04-17 05:02:30
○ 2026-04-17 14:32:48
● 2026-04-21 21:05:02
● 2026-08-17 02:15:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| devguru.jp | ns1.sdsns.com, ns2.sdsns.com | - |
✅ Authoritative Response
Server:211.115.203.112
NS records: ns1.sdsns.com, ns2.sdsns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devguru.jp (unsigned zone)
⏱️ Timing
Total: 2548ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.239.157.19 |
| NS | 2 | ns1.sdsns.com, ns2.sdsns.com |
| MX | 1 | mail.devguru.jp (pri: 0) |
| SOA | 1 | ns1.sdsns.com firechoi.sds.co.kr |
Analysis
Hierarchy
devguru.jp is the parent zone for mail.devguru.jp.
IP Addresses
devguru.jp directs to one IP number, which is 211.239.157.19.
Among the host names that share IP numbers with devguru.jp are polytex.net, bswind.com, lavenderps.com and two others.
Name Servers
devguru.jp has two authoritative name servers — ns1.sdsns.com and ns2.sdsns.com.
devguru.jp has the same name server delegation as a number of other domains, such as davimode.com, dhykdi.com, attipension.net and two more.
devguru.jp partially shares its NS delegation with several other domains, including mncook.com, fotrust.com, ponycanyon.co.kr and two others.
In DNS configurations, these name servers often share authority with ns1.direct.co.kr, ns2.direct.co.kr, ns3.direct.co.kr and 3 other name servers.
ns1.sdsns.com resolves to 211.115.203.112. ns2.sdsns.com resolves to 211.239.157.110. Both host names point to a single IP number.
Mail Servers
devguru.jp routes its mail through a single mail server, mail.devguru.jp.
mail.devguru.jp points to one IP number — 121.189.61.151.