os1pr.com - robtex.com
os1pr.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.43.23.85🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| 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 | os1pr.com ⭐ | ||||||
| A | 163.43.23.85🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1655537477 | ||||||
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=1777476921 | ||||||
MX for
os1pr.com |
Same first word
os1pr.com |
Similar names
DNS History
7 records (6 active, 1 former)
●MXos1pr.com2015-08-01 → 2026-04-29 · 2 obs
● 2026-04-29 15:52:04
○A153.122.7.622015-08-01 → 2017-04-04 · 4 obs
● 2017-04-04 20:05:24
○ 2026-03-09 01:24:04
○ 2026-04-29 15:52:04
●A163.43.23.852026-03-09 → 2026-04-29 · 3 obs
● 2026-03-09 01:24:04
● 2026-04-29 15:52:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net... | - |
| os1pr.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 os1pr.com (unsigned zone)
⏱️ Timing
Total: 1626ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.43.23.85 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | os1pr.com (pri: 0) |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Mail Server Role
For os1pr.com, the mail server is os1pr.com.
IP Addresses
os1pr.com resolves to one IP number: 163.43.23.85.
Name Servers
os1pr.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
os1pr.com at least partially shares name servers with other domains, for instance orangepage.net, wwexsenihbetukensa.net, eventcast.jp, ppcjp.com and s3z.net.
Host names with two IP numbers:
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.
Host names with one IP number:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
os1pr.com is served by a single mail server, os1pr.com.
os1pr.com resolves to IP 163.43.23.85.