rational-e.com - robtex.com
rational-e.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.203.131🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | a700.hanbai.com | ||||||
| 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 | rational-e.com ⭐ | ||||||
| A | 49.212.203.131🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | a700.hanbai.com | ||||||
| TXT | v=spf1 +a +mx +ip4:49.212.203.131 ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1766526107 | ||||||
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=1774540547 | ||||||
MX for
rational-e.com |
Same first word
rational-e.com |
Similar names
DNS History
8 records (6 active, 2 former)
●NS01.dnsv.jp2015-07-12 → 2026-03-26 · 3 obs
● 2015-07-12 04:14:14
● 2026-03-26 16:12:02
●NS02.dnsv.jp2015-07-12 → 2026-03-26 · 3 obs
● 2015-07-12 04:14:14
● 2026-03-26 16:12:02
●NS03.dnsv.jp2015-07-12 → 2026-03-26 · 3 obs
● 2015-07-12 04:14:14
● 2026-03-26 16:12:02
●NS04.dnsv.jp2015-07-12 → 2026-03-26 · 3 obs
● 2015-07-12 04:14:14
● 2026-03-26 16:12:02
○MXmail.rational-e.com2008-03-20 → 2008-03-20 · 3 obs
○ 2015-07-12 04:14:14
○ 2026-03-26 16:12:02
●MXrational-e.com2015-07-12 → 2026-03-26 · 3 obs
● 2015-07-12 04:14:14
● 2026-03-26 16:12:02
○A133.242.180.1082015-07-12 → 2017-11-22 · 5 obs
● 2015-07-12 04:14:14
● 2017-11-22 06:34:56
○ 2026-02-23 05:26:46
○ 2026-03-26 16:12:02
●A49.212.203.1312026-02-23 → 2026-03-26 · 3 obs
● 2026-02-23 05:26:46
● 2026-03-26 16:12:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rational-e.com | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rational-e.com (unsigned zone)
⏱️ Timing
Total: 1157ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.203.131 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | rational-e.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:49.212.203.131 ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Mail Server Role
For rational-e.com, the mail server is rational-e.com.
IP Addresses
rational-e.com resolves to one IP number: 49.212.203.131.
other host names including live-well.co.jp, mail.dion-style.com, www.hanbai.com, domainya.net and hanbai.com share IP numbers with rational-e.com.
Name Servers
rational-e.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
rational-e.com at least partially shares name servers with other domains, for instance ryodensha.co.jp, natsume-anime.jp, factcheckcenter.jp, tobelog.com and sapporo-sfc.xyz.
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
rational-e.com is served by a single mail server, rational-e.com.
rational-e.com resolves to IP 49.212.203.131.