mail.herodisc.com - robtex.com
mail.herodisc.com
| CNAME | herodisc.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.249.47🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www4137.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | herodisc.com ⭐ | ||||||
| A | 133.242.249.47🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www4137.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www4137.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2019-04-12 #18 | ||||||
herodisc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.249.47🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| NS | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| MX | herodisc.com ⭐ | ||||||
| TXT | v=spf1 a:www4137.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2019-04-12 #18 | ||||||
WOT: SAFE (62/100)
Previously MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A117.58.233.2262015-07-26 → 2016-09-18 · 4 obs
● 2016-09-18 13:31:42
○ 2026-03-21 13:45:56
○ 2026-08-10 14:08:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net... | - |
| herodisc.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for herodisc.com (unsigned zone)
⏱️ Timing
Total: 965ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | herodisc.com |
Analysis
IP Addresses
mail.herodisc.com has exactly one IP address — 133.242.249.47.
mizoguchi-hp.sakura.ne.jp, k-m-s.biz, hsmx.mizoguchi-hp.jp plus two other host names have IP numbers in common with mail.herodisc.com.
Name Servers
mail.herodisc.com carries NS records delegating to master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
The name servers of mail.herodisc.com overlap at least partially with those of other domains — among them tmu-rao.sakura.ne.jp, masatsuguyamamoto.com, seijitanp.x0.com and two more.
master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1 — each hostname maps to exactly one IP address.
Mail Servers
mail.herodisc.com uses one mail server — herodisc.com.
mail.herodisc.com uses the same mail servers as other domains, including herodisc.com.
herodisc.com carries a single IP number, which is 133.242.249.47.