devtab.jp - robtex.com
devtab.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.248.174.233🇯🇵 Amazon54.248.128.0/17 EC2 NRT prefix | ||||||
| PTR | ec2-54-248-174-233.ap-northeast-1.compute.amazonaws.com | ||||||
| A | 57.182.151.138🇯🇵 Amazon57.180.0.0/14 EC2 | ||||||
| NS | ns-1439.awsdns-51.org ⭐ | ||||||
| A | 2600:9000:5305:9f00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1439.awsdns-51.org | ||||||
| A | 205.251.197.159🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1439.awsdns-51.org | ||||||
| NS | ns-190.awsdns-23.com | ||||||
| A | 2600:9000:5300:be00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-190.awsdns-23.com | ||||||
| A | 205.251.192.190🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-190.awsdns-23.com | ||||||
| NS | ns-1903.awsdns-45.co.uk | ||||||
| A | 2600:9000:5307:6f00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1903.awsdns-45.co.uk | ||||||
| A | 205.251.199.111🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1903.awsdns-45.co.uk | ||||||
| NS | ns-827.awsdns-39.net | ||||||
| A | 2600:9000:5303:3b00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-827.awsdns-39.net | ||||||
| A | 205.251.195.59🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-827.awsdns-39.net | ||||||
| SOA | ns-1439.awsdns-51.orgawsdns-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=1783209603 | ||||||
Same first word
Similar names
btadev.com |
vbedat.ch |
batdev.com |
devabt.com |
abtdev.com |
atbdev.com |
advbet.com |
davbet.com |
vadebt.com |
tabdev.com |
devtba.com |
betadv.com |
devbat.xyz |
tbdave.com |
tbadev.com |
adbtev.com |
bdavet.com |
atbdev.ru |
DNS History
21 records (6 active, 15 former)
●NSns-1439.awsdns-51.org2026-03-25 → 2026-07-05 · 3 obs
● 2026-03-25 09:20:02
● 2026-07-05 00:22:04
○NSns-1487.awsdns-57.org2016-12-05 → 2016-12-05 · 3 obs
○ 2026-03-25 09:20:02
○ 2026-07-05 00:22:04
○NSns-178.awsdns-22.com2016-12-05 → 2016-12-05 · 3 obs
○ 2026-03-25 09:20:02
○ 2026-07-05 00:22:04
○NSns-1839.awsdns-37.co.uk2016-12-05 → 2016-12-05 · 3 obs
○ 2026-03-25 09:20:02
○ 2026-07-05 00:22:04
●NSns-190.awsdns-23.com2026-03-25 → 2026-07-05 · 3 obs
● 2026-03-25 09:20:02
● 2026-07-05 00:22:04
●NSns-1903.awsdns-45.co.uk2026-03-25 → 2026-07-05 · 3 obs
● 2026-03-25 09:20:02
● 2026-07-05 00:22:04
○NSns-759.awsdns-30.net2016-12-05 → 2016-12-05 · 3 obs
○ 2026-03-25 09:20:02
○ 2026-07-05 00:22:04
●NSns-827.awsdns-39.net2026-03-25 → 2026-07-05 · 3 obs
● 2026-03-25 09:20:02
● 2026-07-05 00:22:04
○A13.113.72.322026-03-25 → 2026-03-28 · 5 obs
● 2026-03-25 09:20:02
● 2026-03-28 06:44:56
○ 2026-04-04 08:11:12
○ 2026-07-05 00:22:04
○A18.180.203.152026-06-16 → 2026-06-16 · 5 obs
● 2026-06-16 01:07:44
● 2026-06-16 02:29:36
○ 2026-06-19 18:24:54
○ 2026-07-05 00:22:04
○A35.73.192.2122026-03-25 → 2026-07-05 · 2 obs
○ 2026-07-05 00:22:04
○A35.74.200.82026-03-25 → 2026-03-25 · 4 obs
● 2026-03-25 09:20:02
○ 2026-03-28 06:44:56
○ 2026-07-05 00:22:04
○A52.192.184.52016-12-05 → 2016-12-05 · 3 obs
○ 2026-03-25 09:20:02
○ 2026-07-05 00:22:04
○A52.195.106.352026-06-19 → 2026-06-19 · 3 obs
● 2026-06-19 18:24:54
○ 2026-07-05 00:22:04
○A52.195.116.1662026-06-16 → 2026-06-16 · 3 obs
● 2026-06-16 01:07:44
○ 2026-07-05 00:22:04
○A52.198.86.572026-03-28 → 2026-04-04 · 5 obs
● 2026-03-28 06:44:56
● 2026-04-04 08:11:12
○ 2026-06-16 01:07:44
○ 2026-07-05 00:22:04
○A52.68.144.2382016-12-05 → 2016-12-05 · 3 obs
○ 2026-03-25 09:20:02
○ 2026-07-05 00:22:04
○A54.199.13.2502026-03-25 → 2026-07-05 · 2 obs
○ 2026-07-05 00:22:04
●A54.248.174.2332026-07-05 → 2026-07-05 · 2 obs
● 2026-07-05 00:22:04
○A54.250.63.1722026-04-04 → 2026-04-04 · 4 obs
● 2026-04-04 08:11:12
○ 2026-06-16 01:07:44
○ 2026-07-05 00:22:04
●A57.182.151.1382026-07-05 → 2026-07-05 · 2 obs
● 2026-07-05 00:22:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| devtab.jp | ns-190.awsdns-23.com, ns-827.awsdns-39.net, ns-1439.awsdns-51.org, ns-1903.awsdns-45.co.uk | - |
✅ Authoritative Response
Server:205.251.192.190
NS records: ns-190.awsdns-23.com, ns-827.awsdns-39.net, ns-1439.awsdns-51.org, ns-1903.awsdns-45.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devtab.jp (unsigned zone)
⏱️ Timing
Total: 684ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 57.182.151.138, 54.248.174.233 |
| NS | 4 | ns-1439.awsdns-51.org, ns-190.awsdns-23.com... |
| SOA | 1 | ns-1439.awsdns-51.org awsdns-hostmaster. |
Analysis
IP Addresses
devtab.jp points to the IP addresses 54.248.174.233 and 57.182.151.138
Name Servers
Four name servers handle the delegation for devtab.jp: ns-190.awsdns-23.com, ns-827.awsdns-39.net, ns-1439.awsdns-51.org and ns-1903.awsdns-45.co.uk.
There is at least partial name server overlap between devtab.jp and other domains — d3rgqpi5jj4aqa.cloudfront.net, 138.219.54.in-addr.arpa, floschool.com and two more among them.
These name servers regularly appear alongside ns1-24-us-west-1.ec2-rdns.amazonaws.com, ns2-24-us-west-1.ec2-rdns.amazonaws.com, ns3-24-us-west-1.ec2-rdns.amazonaws.com and 5 other name servers in NS record sets.
All four hostnames — ns-190.awsdns-23.com, ns-827.awsdns-39.net, ns-1439.awsdns-51.org and ns-1903.awsdns-45.co.uk — resolve to two IP numbers apiece: ns-190.awsdns-23.com to 205.251.192.190 and 2600:9000:5300:be00::1; ns-827.awsdns-39.net to 205.251.195.59 and 2600:9000:5303:3b00::1; ns-1439.awsdns-51.org to 205.251.197.159 and 2600:9000:5305:9f00::1; ns-1903.awsdns-45.co.uk to 205.251.199.111 and 2600:9000:5307:6f00::1.