jam-cf.com - robtex.com
jam-cf.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.23.243🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | jam-cf.com | ||||||
| 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.jam-cf.com ⭐ | ||||||
| A | 153.122.23.243🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | jam-cf.com | ||||||
| TXT | google-site-verification=tGnZW31BzacbLyz7NqRFWXoohKMXDID7A-OSEnJscKw | ||||||
| TXT | v=spf1 +a +mx -all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1765449488 | ||||||
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=1776100932 | ||||||
PTR for
Subdomains
mail.jam-cf.com |
Same first word
jam-cf.com |
DNS History
8 records (6 active, 2 former)
●MXmail.jam-cf.com2026-03-21 → 2026-04-13 · 3 obs
● 2026-03-21 07:58:38
● 2026-04-13 17:50:30
○MXmail.plusones.jp2015-08-10 → 2017-01-07 · 4 obs
● 2017-01-07 07:20:26
○ 2026-03-21 07:58:38
○ 2026-04-13 17:50:30
●A153.122.23.2432026-03-21 → 2026-04-13 · 3 obs
● 2026-03-21 07:58:38
● 2026-04-13 17:50:30
○A54.92.31.262015-08-10 → 2017-01-07 · 4 obs
● 2017-01-07 07:20:26
○ 2026-03-21 07:58:38
○ 2026-04-13 17:50:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| jam-cf.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 jam-cf.com (unsigned zone)
⏱️ Timing
Total: 1022ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.23.243 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail.jam-cf.com (pri: 10) |
| TXT | 2 | google-site-verification=tGnZW31BzacbLyz, v=spf1 +a +mx -all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
jam-cf.com is the parent of mail.jam-cf.com.
IP Addresses
jam-cf.com resolves to a single IP address: 153.122.23.243.
Other host names such as tak-inc.com, mail.jam-cf.com and mail.tak-inc.com share IP numbers with jam-cf.com.
Name Servers
jam-cf.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
jam-cf.com at least partially shares name servers with other domains, including nsttv.com, pld-net.jp, sompojapan-ag.jp, medipo.jp and biensake.com.
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
jam-cf.com is handled by a single mail server, mail.jam-cf.com.
mail.jam-cf.com points to a single IP: 153.122.23.243.