ibv.jp - robtex.com
ibv.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1838.awsdns-37.co.uk ⭐ | ||||||
| A | 2600:9000:5307:2e00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1838.awsdns-37.co.uk | ||||||
| A | 205.251.199.46🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1838.awsdns-37.co.uk | ||||||
| NS | dns1.atlantis21.co.jp ⚠️ Not in zone NS records | ||||||
| NS | ns-1132.awsdns-13.org | ||||||
| A | 2600:9000:5304:6c00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1132.awsdns-13.org | ||||||
| A | 205.251.196.108🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1132.awsdns-13.org | ||||||
| NS | ns-457.awsdns-57.com | ||||||
| A | 2600:9000:5301:c900::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-457.awsdns-57.com | ||||||
| A | 205.251.193.201🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-457.awsdns-57.com | ||||||
| NS | ns-763.awsdns-31.net | ||||||
| A | 2600:9000:5302:fb00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-763.awsdns-31.net | ||||||
| A | 205.251.194.251🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-763.awsdns-31.net | ||||||
| SOA | ns-1838.awsdns-37.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1773558003 | ||||||
Subdomains
fncloud1.ibv.jp |
bv-cloud01.ibv.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns1.atlantis21.co.jp2026-02-16 → 2026-03-18 · 3 obs
● 2026-02-16 17:02:16
● 2026-03-18 14:27:34
●NSns-1132.awsdns-13.org2015-06-10 → 2026-03-18 · 2 obs
● 2026-03-18 14:27:34
●NSns-1838.awsdns-37.co.uk2015-06-10 → 2026-03-18 · 2 obs
● 2026-03-18 14:27:34
●NSns-457.awsdns-57.com2015-06-10 → 2026-03-18 · 2 obs
● 2026-03-18 14:27:34
●NSns-763.awsdns-31.net2015-06-10 → 2026-03-18 · 2 obs
● 2026-03-18 14:27:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, c.dns.jp, h.dns.jp, g.dns.jp... | - |
| ibv.jp | dns1.atlantis21.co.jp, ns-1132.awsdns-13.org, ns-763.awsdns-31.net, ns-1838.awsdns-37.co.uk... | - |
✅ Authoritative Response
Server: 205.251.194.251
NS records: dns1.atlantis21.co.jp, ns-1132.awsdns-13.org, ns-763.awsdns-31.net, ns-1838.awsdns-37.co.uk, ns-457.awsdns-57.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ibv.jp (unsigned zone)
⏱️ Timing
Total: 1281ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1132.awsdns-13.org, ns-1838.awsdns-37.co.uk... |
| SOA | 1 | ns-1838.awsdns-37.co.uk awsdns-hostmaste |
Analysis
Hierarchy
ibv.jp is parent of fncloud1.ibv.jp and bv-cloud01.ibv.jp.
Name Servers
ibv.jp is delegated to five name servers: ns-457.awsdns-57.com, ns-763.awsdns-31.net, ns-1132.awsdns-13.org, dns1.atlantis21.co.jp and ns-1838.awsdns-37.co.uk.
ibv.jp at least partially shares its name servers with other domains, for instance optimizedagent.com, d4z5izuphfyf1.cloudfront.net, t1wl.com, scottvelez.com and softwear.nl.
these name servers are commonly used with the name servers ns-543.awsdns-03.net, ns-124.awsdns-15.com, ns-1216.awsdns-24.org, ns-50.awsdns-06.com, ns-584.awsdns-09.net and ns-1687.awsdns-18.co.uk.
Host names with two IPs: ns-457.awsdns-57.com points to 2600:9000:5301:c900::1 and 205.251.193.201; ns-763.awsdns-31.net points to 2600:9000:5302:fb00::1 and 205.251.194.251; ns-1132.awsdns-13.org points to 2600:9000:5304:6c00::1 and 205.251.196.108; ns-1838.awsdns-37.co.uk points to 2600:9000:5307:2e00::1 and 205.251.199.46.