mtdev.org - dns.ninja
mtdev.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785585288 | ||||||
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●MXalt1.aspmx.l.google.com2015-06-17 → 2026-08-01 · 2 obs
● 2026-08-01 12:33:56
●MXalt2.aspmx.l.google.com2015-06-17 → 2026-08-01 · 2 obs
● 2026-08-01 12:33:56
●MXaspmx.l.google.com2015-06-17 → 2026-08-01 · 2 obs
● 2026-08-01 12:33:56
●MXaspmx2.googlemail.com2015-06-17 → 2026-08-01 · 2 obs
● 2026-08-01 12:33:56
●MXaspmx3.googlemail.com2015-06-17 → 2026-08-01 · 2 obs
● 2026-08-01 12:33:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| mtdev.org | 01.dnsv.jp, 02.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.33.53
NS records: 01.dnsv.jp, 02.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mtdev.org (unsigned zone)
⏱️ Timing
Total: 1060ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 20)... |
| TXT | 2 | google-site-verification=ROoruldlAZY0jYB, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Name Servers
Four name servers handle the delegation for mtdev.org: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
There is at least partial name server overlap between mtdev.org and other domains — ip-sys.com, feedintegra.info, i4tale.net and two more among them.
Host names pointing to two IP addresses:
01.dnsv.jp maps to two IP addresses — 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp maps to two IP addresses — 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp maps to two IP addresses — 157.7.35.53 and 2400:8500:3fff::53.
Host names resolving to a single IP address:
02.dnsv.jp points to the IP address 157.7.33.53.
Mail Servers
mtdev.org has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
At least some of the mail servers used by mtdev.org are shared with other domains: ns500821.ns500821.ns500795.ns500821.ns500794.ns500821.ns500795.ns500795.ns500795.ns500794.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com, ringtailstudio.com, fraudshieldllc.com and two others among them.
These mail servers are often deployed together with alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx2.googlemail.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com maps to two IP addresses — 172.253.63.27 and 2607:f8b0:4004:c29::1a.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.