rex-mail.com - dns.ninja
rex-mail.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | mx.rex-mail.com ⭐ | ||||||
| A | 163.43.91.68🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | secure05.willnet.org | ||||||
| TXT | v=spf1 a mx include:spf01.willnet.ad.jp ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1682645966 | ||||||
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=1786708314 | ||||||
Subdomains
mx.rex-mail.com |
Same first word
rex-mail.com |
Similar names
DNS History
5 records (5 active, 0 former)
●MXmx.rex-mail.com2015-06-10 → 2026-08-14 · 2 obs
● 2026-08-14 11:55:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net... | - |
| rex-mail.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 rex-mail.com (unsigned zone)
⏱️ Timing
Total: 1057ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mx.rex-mail.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf01.willnet.ad.jp |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
mx.rex-mail.com is delegated beneath rex-mail.com.
Name Servers
The authoritative name servers for rex-mail.com are 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
There is at least partial name server overlap between rex-mail.com and other domains — heart-role.com, hiroism.com, mne-design.com and two more among them.
Hostnames that resolve to two IP addresses:
01.dnsv.jp points to 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp points to 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp points to 157.7.35.53 and 2400:8500:3fff::53.
Hosts with just one IP address:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
Mail for rex-mail.com is handled by a single mail server, mx.rex-mail.com.
mx.rex-mail.com resolves to a single IP number: 163.43.91.68.