nu-ftp.com - robtex.com
nu-ftp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.6.112.165🇯🇵 NICE133.6.0.0/16 Nagoya University X-Keiro : network-admin@icts.nagoya-u.ac.jp | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | nu-ftp.sakura.ne.jp ⭐ | ||||||
| TXT | v=spf1 +ip4:115.146.21.178 ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1404706463 | ||||||
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=1778012651 | ||||||
Subdomains
Same first word
nu-ftp.com |
Similar names
DNS History
6 records (6 active, 0 former)
●MXnu-ftp.sakura.ne.jp2015-07-15 → 2026-05-05 · 2 obs
● 2026-05-05 20:36:24
●A133.6.112.1652015-07-15 → 2026-05-05 · 2 obs
● 2026-05-05 20:36:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net... | - |
| nu-ftp.com | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.35.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nu-ftp.com (unsigned zone)
⏱️ Timing
Total: 1304ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.6.112.165 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | nu-ftp.sakura.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 +ip4:115.146.21.178 ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
nu-ftp.com is a parent of mail.nu-ftp.com and www.nu-ftp.com.
IP Addresses
nu-ftp.com points to a single IP address: 133.6.112.165.
Name Servers
nu-ftp.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
At least part of the name servers for nu-ftp.com are shared with other domains, for instance thrulaw.xyz, eduplus.jp, mokkedano.net, hideki.yoneyama.name and pts-saiyou.com.
Two IP numbers per host:
01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.
03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.
04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.
One IP number per host:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
The mail server for nu-ftp.com is nu-ftp.sakura.ne.jp.