btob-mail.work - robtex.com
btob-mail.work
| DNSSEC | ⚠️ Not signed | ||||||
| A | 180.222.184.211🇯🇵 AS131921180.222.184.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | mail.btob-mail.work | ||||||
| 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.btob-mail.work ⭐ | ||||||
| A | 180.222.184.211🇯🇵 AS131921180.222.184.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | mail.btob-mail.work | ||||||
| TXT | v=spf1 +ip4:180.222.184.211 ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1594014461 | ||||||
work
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.work ⭐ | ||||||
| NS | b.nic.work | ||||||
| NS | c.nic.work | ||||||
| NS | x.nic.work | ||||||
| NS | y.nic.work | ||||||
| NS | z.nic.work | ||||||
| SOA | a.nic.workadmin@tldns.godaddy serial=1777296725 | ||||||
Subdomains
mail.btob-mail.work |
Same first word
btob-mail.work |
DNS History
6 records (6 active, 0 former)
●MXmail.btob-mail.work2026-04-20 → 2026-04-27 · 2 obs
● 2026-04-27 13:53:08
●A180.222.184.2112026-04-20 → 2026-04-27 · 2 obs
● 2026-04-27 13:53:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| work | a.nic.work, b.nic.work, c.nic.work, x.nic.work... | 12 records |
| btob-mail.work | 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 btob-mail.work (unsigned zone)
⏱️ Timing
Total: 1135ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 180.222.184.211 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail.btob-mail.work (pri: 10) |
| TXT | 1 | v=spf1 +ip4:180.222.184.211 ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.work, b.nic.work, c.nic.work...)
Analysis
Hierarchy
The parent of mail.btob-mail.work is btob-mail.work.
IP Addresses
btob-mail.work points to a single IP: 180.222.184.211.
Other host names, such as mail.btob-mail.work, share IP numbers with btob-mail.work.
Name Servers
btob-mail.work's delegation is handled by four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
btob-mail.work partially shares name servers with other domains; examples include goodartlife.com, carolinahurricanesclub.com, tse-lab.com, u-nit.shop and meets-app.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
btob-mail.work is handled by a single mail server, mail.btob-mail.work.
mail.btob-mail.work points to a single IP: 180.222.184.211.