ykoffice.com - robtex.com
ykoffice.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns01.muumuu-domain.com ⭐ | ||||||
| A | 202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc. | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| A | 160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| MX | mx01.lolipop.jp ⭐ | ||||||
| A | 157.7.107.233🇯🇵 GMO-INTERNET157.7.64.0/18 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| TXT | MS=ms14418762 | ||||||
| SOA | dns01.muumuu-domain.compostmaster@ykoffice.com serial=1774341034 | ||||||
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=1774807047 | ||||||
Previously NS for
ykoffice.com |
Subdomains
www.ykoffice.com |
Same first word
ykoffice.com |
Similar names
DNS History
10 records (3 active, 7 former)
●NSdns01.muumuu-domain.com2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 18:22:02
●NSdns02.muumuu-domain.com2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 18:22:02
○NSdnss10.so-net.ne.jp2015-08-19 → 2017-06-15 · 4 obs
● 2017-06-15 15:44:06
○ 2026-03-08 13:51:46
○ 2026-03-29 18:22:02
○NSdnss11.so-net.ne.jp2015-08-19 → 2017-06-15 · 4 obs
● 2017-06-15 15:44:06
○ 2026-03-08 13:51:46
○ 2026-03-29 18:22:02
○NSuns01.lolipop.jp2026-03-08 → 2026-03-08 · 3 obs
● 2026-03-08 13:51:46
○ 2026-03-29 18:22:02
○NSuns02.lolipop.jp2026-03-08 → 2026-03-08 · 3 obs
● 2026-03-08 13:51:46
○ 2026-03-29 18:22:02
○NSykoffice.com2015-08-19 → 2017-06-15 · 4 obs
● 2017-06-15 15:44:06
○ 2026-03-08 13:51:46
○ 2026-03-29 18:22:02
●MXmx01.lolipop.jp2026-03-08 → 2026-03-29 · 3 obs
● 2026-03-08 13:51:46
● 2026-03-29 18:22:02
○MXmxpin.ms.so-net.ne.jp2015-08-19 → 2017-06-15 · 4 obs
● 2017-06-15 15:44:06
○ 2026-03-08 13:51:46
○ 2026-03-29 18:22:02
○A210.131.237.2402026-03-08 → 2026-03-08 · 2 obs
○ 2026-03-29 18:22:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net... | - |
| ykoffice.com | dns01.muumuu-domain.com, dns02.muumuu-domain.com | 2 records |
✅ Authoritative Response
Server:202.239.23.39
NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ykoffice.com (unsigned zone)
⏱️ Timing
Total: 787ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns02.muumuu-domain.com, dns01.muumuu-domain.com |
| MX | 1 | mx01.lolipop.jp (pri: 50) |
| TXT | 1 | MS=ms14418762 |
| SOA | 1 | dns01.muumuu-domain.com postmaster.ykoff |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)
Analysis
Hierarchy
The parent of www.ykoffice.com is ykoffice.com.
Name Servers
ykoffice.com is delegated to two name servers: dns01.muumuu-domain.com and dns02.muumuu-domain.com.
ykoffice.com uses the same name server setup as other domains, for instance answer2017.com, yutamori.com, furimastrike.com, career-base.jp and ekolu-nail.com.
ykoffice.com shares name servers with other domains at least partially, for instance soukenchiku.com, k-hayato.com, tamasote.com, ictsp.co.jp and ryo-ga.jp.
Host names with one IP number:
dns01.muumuu-domain.com points to: 202.239.23.39.
dns02.muumuu-domain.com points to: 160.251.249.62.
Mail Servers
The mail server for ykoffice.com is mx01.lolipop.jp.
ykoffice.com shares the same mail server setup as other domains, including moyo.jp, weboon.net, metch.jp, sa-shi.com and tomoro-guitar.com.
Host name mx01.lolipop.jp resolves to IP 157.7.107.233.