aku.kr - robtex.com
aku.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.78.91.40🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb40.opencom.com | ||||||
| NS | aku.kr ⭐ | ||||||
| A | 121.78.91.40🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb40.opencom.com | ||||||
| NS | ns.opengogo.com | ||||||
| A | 121.78.91.66🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb66.opencom.com | ||||||
| NS | ns.openhaja.com | ||||||
| A | 121.78.91.2🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb2.opencom.com | ||||||
| MX | mail.aku.kr ⭐ | ||||||
| A | 121.78.88.26🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | servera26.opencom.com | ||||||
| TXT | google-site-verification=-5EJhw-Bbc0T2wRL9PsNfwTETkYeEnFpRdob9efLv3M | ||||||
| TXT | v=spf1 ip4:121.78.88.26 ip4:121.78.91.23 ip4:121.78.91.40 ~all | ||||||
| SOA | aku.krwebmaster@aku.kr 2022-05-10 #6 | ||||||
kr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | g.dns.kr ⭐ | ||||||
| NS | b.dns.kr | ||||||
| NS | c.dns.kr | ||||||
| NS | d.dns.kr | ||||||
| NS | e.dns.kr | ||||||
| NS | f.dns.kr | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2606170596 | ||||||
NS for
aku.kr |
Subdomains
mail.aku.kr |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSaku.kr2026-06-16 → 2026-06-17 · 2 obs
● 2026-06-17 01:55:56
●NSns.opengogo.com2026-06-16 → 2026-06-17 · 2 obs
● 2026-06-17 01:55:56
●NSns.openhaja.com2026-06-16 → 2026-06-17 · 2 obs
● 2026-06-17 01:55:56
●MXmail.aku.kr2026-06-16 → 2026-06-17 · 2 obs
● 2026-06-17 01:55:56
●A121.78.91.402026-06-16 → 2026-06-17 · 2 obs
● 2026-06-17 01:55:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| aku.kr | ns.openhaja.com, ns.opengogo.com | - |
✅ Authoritative Response
Server:121.78.91.66
NS records: ns.openhaja.com, ns.opengogo.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at kr: Error: DNS query timeout: 210.101.60.1 for DNSKEY kr
⏱️ Timing
Total: 4196ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.78.91.40 |
| NS | 2 | ns.opengogo.com, ns.openhaja.com |
| MX | 1 | mail.aku.kr (pri: 10) |
| TXT | 2 | google-site-verification=-5EJhw-Bbc0T2wR, v=spf1 ip4:121.78.88.26 ip4:121.78.91.23 |
| SOA | 1 | aku.kr webmaster.aku.kr |
Analysis
Hierarchy
aku.kr serves as the parent of mail.aku.kr.
Name Server Role
aku.kr serves as a name server for itself — aku.kr is its own authoritative name server.
The name servers ns.opengogo.com and ns.openhaja.com are often paired with aku.kr.
IP Addresses
aku.kr points to a single IP number: 121.78.91.40.
Additional host names — 601bisang.com, xizen.co.kr, mexo2002.co.kr and two others — share IP numbers with aku.kr.
Name Servers
The DNS delegation for aku.kr uses three name servers — aku.kr, ns.opengogo.com and ns.openhaja.com.
aku.kr has at least partial name server overlap with other domains, such as shost.hompy.name, feri.kr, seilcon.com and two others.
Each of the three hostnames points to exactly one IP address: aku.kr points to 121.78.91.40, ns.opengogo.com points to 121.78.91.66 and ns.openhaja.com points to 121.78.91.2.
Mail Servers
aku.kr has one mail server: mail.aku.kr.
mail.aku.kr points to one IP number — 121.78.88.26.