db550909.com - robtex.com
db550909.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.137.93.213🇯🇵 IDC203.137.80.0/20 Frontier Inc. | ||||||
| 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.db550909.com ⭐ | ||||||
| A | 211.133.240.158🇯🇵 IDC211.133.240.0/21 Frontier Inc. | ||||||
| TXT | google-site-verification=q7jsTVXzaYojGTaqPsYZ22S3DMWykF1l1NPbLQajrHg | ||||||
| TXT | v=spf1 +ip4:211.133.240.158 ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1740237259 | ||||||
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=1775423392 | ||||||
Subdomains
mail.db550909.com |
Same first word
db550909.com |
DNS History
6 records (6 active, 0 former)
●MXmail.db550909.com2026-03-24 → 2026-04-05 · 2 obs
● 2026-04-05 21:34:04
●A203.137.93.2132026-03-24 → 2026-04-05 · 2 obs
● 2026-04-05 21:34:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| db550909.com | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.34.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for db550909.com (unsigned zone)
⏱️ Timing
Total: 1157ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.137.93.213 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail.db550909.com (pri: 1) |
| TXT | 2 | google-site-verification=q7jsTVXzaYojGTa, v=spf1 +ip4:211.133.240.158 ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
db550909.com is parent of mail.db550909.com.
IP Addresses
db550909.com points to a single IP: 203.137.93.213.
Other host names such as crustsys.net, xn--29jybvv704uewyatde4oa.com, 032mori.com and hmovex.net share IP numbers with db550909.com.
Name Servers
db550909.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
db550909.com at least partially shares its name servers with other domains, for instance kichaku.net, unizo.net, sakatani.net, monst-multi.net and kokoro-jp.com.
Two IPs 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 per host:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
db550909.com is served by a single mail server, mail.db550909.com.
mail.db550909.com points to IP number 211.133.240.158.