knotbook.net - robtex.com
knotbook.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.44.185.212🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | 163-44-185-212.virt.lolipop.jp | ||||||
| NS | knotbook.net ⭐ | ||||||
| A | 163.44.185.212🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | 163-44-185-212.virt.lolipop.jp | ||||||
| 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 | ||||||
| SOA | knotbook.netpostmaster@knotbook.net serial=1743613574 | ||||||
net
| 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=1774419807 | ||||||
NS for
knotbook.net |
Same first word
knotbook.net |
DNS History
7 records (5 active, 2 former)
●NSdns01.muumuu-domain.com2015-07-04 → 2026-03-25 · 2 obs
● 2026-03-25 06:24:56
●NSdns02.muumuu-domain.com2015-07-04 → 2026-03-25 · 2 obs
● 2026-03-25 06:24:56
●NSknotbook.net2015-07-04 → 2026-03-25 · 2 obs
● 2026-03-25 06:24:56
●MXmx01.lolipop.jp2015-07-04 → 2026-03-25 · 2 obs
● 2026-03-25 06:24:56
○A157.7.107.392016-06-18 → 2018-07-15 · 5 obs
● 2016-06-18 06:58:34
● 2018-07-15 06:12:10
○ 2026-02-18 01:27:22
○ 2026-03-25 06:24:56
●A163.44.185.2122026-02-18 → 2026-03-25 · 3 obs
● 2026-02-18 01:27:22
● 2026-03-25 06:24:56
○A203.189.109.812015-07-04 → 2016-02-07 · 4 obs
● 2016-02-07 06:50:12
○ 2016-06-18 06:58:34
○ 2026-03-25 06:24:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| knotbook.net | dns01.muumuu-domain.com, dns02.muumuu-domain.com | - |
✅ 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 knotbook.net (unsigned zone)
⏱️ Timing
Total: 782ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.44.185.212 |
| NS | 2 | dns02.muumuu-domain.com, dns01.muumuu-domain.com |
| MX | 1 | mx01.lolipop.jp (pri: 50) |
| SOA | 1 | knotbook.net postmaster.knotbook.net |
Analysis
Name Server Role
For knotbook.net, knotbook.net serves as a name server for knotbook.net.
dns01.muumuu-domain.com and dns02.muumuu-domain.com commonly serve as name servers together with knotbook.net.
IP Addresses
knotbook.net points to IP number 163.44.185.212.
For instance, other host names team-goup.com, farness.jp, meiroh.com, marriage-column.com and www.doli.jp share IP numbers with knotbook.net.
Name Servers
knotbook.net is delegated to three name servers: knotbook.net, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
knotbook.net shares name servers with other domains at least partially, for example yamani-net.com, buzz8eight.com, wateraid.jp, svdragons.com and hyj-susume.com.
Host names with a single IP address: knotbook.net points to 163.44.185.212; dns01.muumuu-domain.com points to 202.239.23.39; dns02.muumuu-domain.com points to 160.251.249.62.
Mail Servers
knotbook.net is handled by a single mail server, mx01.lolipop.jp.
knotbook.net shares the same mail server setup as other domains, for instance pianotuner.jp, somaplanning.com, soe-inc.com, fuji5.com and groschat.com.
knotbook.net shares at least partially some mail servers with other domains, for instance tegonet.net.
mx01.lolipop.jp points to a single IP: 157.7.107.233.