secmail.jp - robtex.com
secmail.jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns000.d-53.net ⭐ | ||||||
| NS | ns012-4k4fufokqrgs5kvo.4.d-53.info | ||||||
| A | 2001:240:bb81::28:43🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 ) | ||||||
| PTR | s012.d-53.biz | ||||||
| A | 202.32.219.43🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | s012.d-53.biz | ||||||
| NS | ns012-4k4fufokqrgs5kvo.4.d-53.jp | ||||||
| A | 2001:240:bb81::29:1103🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 ) | ||||||
| PTR | s012.d-53.org | ||||||
| A | 203.180.146.103🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | s012.d-53.org | ||||||
| NS | ns012-4k4fufokqrgs5kvo.4.d-53.net | ||||||
| A | 2001:240:bb81::29:103🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 ) | ||||||
| PTR | s012.d-53.net | ||||||
| A | 210.138.20.103🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | s012.d-53.net | ||||||
| SOA | ns000.d-53.netdns-managers@iij.ad.jp serial=275 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1774440902 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns012-4k4fufokqrgs5kvo.4.d-53.info2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 12:35:12
●NSns012-4k4fufokqrgs5kvo.4.d-53.jp2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 12:35:12
●NSns012-4k4fufokqrgs5kvo.4.d-53.net2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 12:35:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, c.dns.jp, f.dns.jp, g.dns.jp... | - |
| secmail.jp | ns012-4k4fufokqrgs5kvo.4.d-53.jp, ns012-4k4fufokqrgs5kvo.4.d-53.info, ns012-4k4fufokqrgs5kvo.4.d-53.net | - |
✅ Authoritative Response
Server:210.138.20.103
NS records: ns012-4k4fufokqrgs5kvo.4.d-53.jp, ns012-4k4fufokqrgs5kvo.4.d-53.info, ns012-4k4fufokqrgs5kvo.4.d-53.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1059ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns012-4k4fufokqrgs5kvo.4.d-53.jp, ns012-4k4fufokqrgs5kvo.4.d-53.net... |
| SOA | 1 | ns000.d-53.net dns-managers.iij.ad.jp |
Analysis
Name Servers
secmail.jp is delegated to four name servers: ns000.d-53.net, ns012-4k4fufokqrgs5kvo.4.d-53.info, ns012-4k4fufokqrgs5kvo.4.d-53.jp and ns012-4k4fufokqrgs5kvo.4.d-53.net.
secmail.jp shares name servers with other domains at least partially, for example vehitecs.com, sonymusic.ne.jp, aplus.co.jp, 193.238.202.rev.iijgio.jp and gcc.co.jp.
these name servers are commonly used together with the name servers dns-b.iij.ad.jp, dns-c.iij.ad.jp, ns01.iij-dns.jp, ns00.iij-dns.net, rev.iij-dns.jp, rev.iij-dns.net, ns00-pub.static.iijgio.jp and ns01-pub.static.iijgio.jp.
Host names with two IPs:
ns012-4k4fufokqrgs5kvo.4.d-53.info points to 2001:240:bb81::28:43 and 202.32.219.43
ns012-4k4fufokqrgs5kvo.4.d-53.jp points to 2001:240:bb81::29:1103 and 203.180.146.103
ns012-4k4fufokqrgs5kvo.4.d-53.net points to 2001:240:bb81::29:103 and 210.138.20.103