42olv.com - robtex.com
42olv.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 61.121.245.121🇯🇵 IDC61.121.240.0/20 Frontier Inc. | ||||||
| PTR | undefined.hostname.localhost | ||||||
| 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 | 42olv.com ⭐ | ||||||
| A | 61.121.245.121🇯🇵 IDC61.121.240.0/20 Frontier Inc. | ||||||
| PTR | undefined.hostname.localhost | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1695790549 | ||||||
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=1778573966 | ||||||
MX for
42olv.com |
Same first word
42olv.com |
Similar names
DNS History
6 records (6 active, 0 former)
●MX42olv.com2026-02-23 → 2026-05-12 · 2 obs
● 2026-05-12 08:33:24
●A61.121.245.1212026-02-23 → 2026-05-12 · 2 obs
● 2026-05-12 08:33:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net... | - |
| 42olv.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 42olv.com (unsigned zone)
⏱️ Timing
Total: 1516ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.121.245.121 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | 42olv.com (pri: 10) |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Mail Server Role
42olv.com serves as the mail server for 42olv.com.
IP Addresses
42olv.com points to a single IP address: 61.121.245.121.
Other host names, for instance olv29.com, share IP numbers with 42olv.com.
Name Servers
42olv.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 42olv.com are shared with other domains, for instance nakaitabashiseikotsuin.com, legs.co.jp, ogawasyoji.com, hsimyu.net and saiseikan-mie.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
Mail for 42olv.com is handled by a single mail server, 42olv.com.
Host 42olv.com points to IP 61.121.245.121.