m4dev.net - robtex.com
m4dev.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.176.158.190🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-18-176-158-190.ap-northeast-1.compute.amazonaws.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 | m4dev.net ⭐ | ||||||
| A | 18.176.158.190🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-18-176-158-190.ap-northeast-1.compute.amazonaws.com | ||||||
| TXT | v=spf1 +ip4:54.248.167.248 -all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1755594989 | ||||||
net
| 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=1771291465 | ||||||
MX for
m4dev.net |
Same first word
DNS History
9 records (6 active, 3 former)
●NS01.dnsv.jp2026-02-18 → 2026-03-14 · 3 obs
● 2026-02-18 15:07:02
● 2026-03-14 14:11:14
●NS02.dnsv.jp2026-02-18 → 2026-03-14 · 3 obs
● 2026-02-18 15:07:02
● 2026-03-14 14:11:14
●NS03.dnsv.jp2026-02-18 → 2026-03-14 · 3 obs
● 2026-02-18 15:07:02
● 2026-03-14 14:11:14
●NS04.dnsv.jp2026-02-18 → 2026-03-14 · 3 obs
● 2026-02-18 15:07:02
● 2026-03-14 14:11:14
○NSns1.tsukaeru.net2015-05-28 → 2017-04-05 · 4 obs
● 2017-04-05 11:39:50
○ 2026-02-18 15:07:02
○ 2026-03-14 14:11:14
○NSns2.tsukaeru.net2015-05-28 → 2017-04-05 · 4 obs
● 2017-04-05 11:39:50
○ 2026-02-18 15:07:02
○ 2026-03-14 14:11:14
●MXm4dev.net2015-05-28 → 2026-03-14 · 2 obs
● 2026-03-14 14:11:14
○A121.50.46.562015-05-28 → 2017-04-05 · 4 obs
● 2017-04-05 11:39:50
○ 2026-02-18 15:07:02
○ 2026-03-14 14:11:14
●A18.176.158.1902026-02-18 → 2026-03-14 · 3 obs
● 2026-02-18 15:07:02
● 2026-03-14 14:11:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | b.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net... | - |
| m4dev.net | 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 m4dev.net (unsigned zone)
⏱️ Timing
Total: 3544ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 18.176.158.190 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | m4dev.net (pri: 10) |
| TXT | 1 | v=spf1 +ip4:54.248.167.248 -all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Mail Server Role
m4dev.net serves as the mail server for m4dev.net.
IP Addresses
m4dev.net points to an IP address: 18.176.158.190.
Name Servers
m4dev.net delegates to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
m4dev.net at least partially shares name servers with other domains, for instance rcs.ac.jp, apj-i.com, machimura.com, hanyu-aeonmall.com and hiroaki-work.com.
Hosts 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 with one IP number:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
m4dev.net is handled by a single mail server.
The host name m4dev.net points to IP 18.176.158.190.