app-city.jp - robtex.com
app-city.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 133.242.181.21๐ฏ๐ต SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www1247gj.sakura.ne.jp | ||||||
| NS | 01.dnsv.jp โญ | ||||||
| A | 2400:8500:3300::53๐ฏ๐ต GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53๐ฏ๐ต GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53๐ฏ๐ต GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp โ ๏ธ Not in parent delegation | ||||||
| A | 2400:8500:3000::53๐ฏ๐ต GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53๐ฏ๐ต GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp โ ๏ธ Not in parent delegation | ||||||
| A | 2400:8500:3fff::53๐ฏ๐ต GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53๐ฏ๐ต GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | app-city.jp โญ | ||||||
| A | 133.242.181.21๐ฏ๐ต SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www1247gj.sakura.ne.jp | ||||||
| TXT | v=spf1 a mx include:_spf.google.com ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1462015817 | ||||||
jp
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | z.dns.jp โญ | ||||||
| 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=1778695202 | ||||||
MX for
app-city.jp |
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
โMXapp-city.jp2015-05-07 โ 2026-05-13 ยท 2 obs
โ 2026-05-13 18:40:52
โA124.219.162.1712015-05-07 โ 2016-03-23 ยท 4 obs
โ 2016-03-23 18:36:16
โ 2016-07-26 02:51:52
โ 2026-05-13 18:40:52
โA133.242.181.212016-07-26 โ 2026-05-13 ยท 3 obs
โ 2016-07-26 02:51:52
โ 2026-05-13 18:40:52
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, h.dns.jp, b.dns.jp, f.dns.jp... | - |
| app-city.jp | 01.dnsv.jp, 02.dnsv.jp | 3 records |
โ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for app-city.jp (unsigned zone)
โฑ๏ธ Timing
Total: 1949ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.181.21 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | app-city.jp (pri: 10) |
| TXT | 1 | v=spf1 a mx include:_spf.google.com ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
๐ Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (01.dnsv.jp, 02.dnsv.jp, 01.dnsv.jp)
Analysis
Mail Server Role
app-city.jp serves as the mail server for app-city.jp.
IP Addresses
app-city.jp points to IP number 133.242.181.21.
Other host names for example www1247gj.sakura.ne.jp, s-macy.jp and mail.s-macy.jp share IP numbers with app-city.jp.
Name Servers
app-city.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
app-city.jp shares name servers with other domains at least partially, for example xn--f9j2cub.jp, f-be.com, icsbizmatch.jp, modshair.jp and chigasaki-museum.jp.
Hosts with two IP numbers
- Host 01.dnsv.jp points to: 2400:8500:3300::53 and 157.7.32.53
- Host 03.dnsv.jp points to: 2400:8500:3000::53 and 157.7.34.53
- Host 04.dnsv.jp points to: 2400:8500:3fff::53 and 157.7.35.53
Hosts with one IP number
- Host 02.dnsv.jp points to: 157.7.33.53
Mail Servers
app-city.jp is handled by a single mail server, app-city.jp.
app-city.jp points to a single IP: 133.242.181.21.