backup39.com - robtex.com
backup39.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.18.199.53🇯🇵 KAGOYAJAPAN133.18.0.0/16 KAGOYA Japan Inc. | ||||||
| PTR | v133-18-199-53.vir.kagoya.net | ||||||
| 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 | mail.backup39.com ⭐ | ||||||
| A | 133.18.199.53🇯🇵 KAGOYAJAPAN133.18.0.0/16 KAGOYA Japan Inc. | ||||||
| PTR | v133-18-199-53.vir.kagoya.net | ||||||
| TXT | google-site-verification=ScuFez_8X68dQGkP35j8MCqonlnCaIdmNkWBvazp-gU | ||||||
| TXT | v=spf1 ip4:133.18.199.53/25 ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1684127105 | ||||||
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=1785333707 | ||||||
Previously MX for
backup39.com |
Subdomains
Same first word
backup39.com |
DNS History
12 records (6 active, 6 former)
●NS01.dnsv.jp2015-11-14 → 2026-07-29 · 3 obs
● 2015-11-14 18:35:38
● 2026-07-29 14:29:36
●NS02.dnsv.jp2015-11-14 → 2026-07-29 · 3 obs
● 2015-11-14 18:35:38
● 2026-07-29 14:29:36
●NS03.dnsv.jp2015-11-14 → 2026-07-29 · 3 obs
● 2015-11-14 18:35:38
● 2026-07-29 14:29:36
●NS04.dnsv.jp2015-11-14 → 2026-07-29 · 3 obs
● 2015-11-14 18:35:38
● 2026-07-29 14:29:36
○NSns1.secure.net2015-07-16 → 2015-07-16 · 3 obs
○ 2015-11-14 18:35:38
○ 2026-07-29 14:29:36
○NSns2.secure.net2015-07-16 → 2015-07-16 · 3 obs
○ 2015-11-14 18:35:38
○ 2026-07-29 14:29:36
○MXbackup39.com2015-07-16 → 2015-07-16 · 3 obs
○ 2015-11-14 18:35:38
○ 2026-07-29 14:29:36
●MXmail.backup39.com2026-02-23 → 2026-07-29 · 3 obs
● 2026-02-23 21:00:56
● 2026-07-29 14:29:36
○MXvs.mailsystems.net2015-07-16 → 2015-07-16 · 3 obs
○ 2015-11-14 18:35:38
○ 2026-07-29 14:29:36
○A120.29.161.392015-07-16 → 2015-07-16 · 3 obs
○ 2015-11-14 18:35:38
○ 2026-07-29 14:29:36
●A133.18.199.532026-02-23 → 2026-07-29 · 3 obs
● 2026-02-23 21:00:56
● 2026-07-29 14:29:36
○A153.122.148.612015-11-14 → 2017-05-18 · 5 obs
● 2015-11-14 18:35:38
● 2017-05-18 12:59:50
○ 2026-02-23 21:00:56
○ 2026-07-29 14:29:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| backup39.com | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for backup39.com (unsigned zone)
⏱️ Timing
Total: 1191ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.18.199.53 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail.backup39.com (pri: 10) |
| TXT | 2 | google-site-verification=ScuFez_8X68dQGk, v=spf1 ip4:133.18.199.53/25 ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
The parent domain of mail.backup39.com and www.backup39.com is backup39.com.
IP Addresses
backup39.com directs to one IP number, which is 133.18.199.53.
Other host names, among them www.backup39.com and mail.backup39.com, have IP numbers in common with backup39.com.
Name Servers
The domain backup39.com is delegated to these four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
At least some of backup39.com's name servers are shared with other domains, for example ca-go.com, yasu-maru.com, denentoshi.com and two more.
Hosts with two IP numbers each:
01.dnsv.jp maps to two IP addresses — 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp maps to two IP addresses — 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp maps to two IP addresses — 157.7.35.53 and 2400:8500:3fff::53.
Hosts that resolve to one IP address:
02.dnsv.jp points to the IP address 157.7.33.53.
Mail Servers
backup39.com routes its mail through a single mail server, mail.backup39.com.
There is one IP number for mail.backup39.com: 133.18.199.53.