concept-y.com - robtex.com
concept-y.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 48.210.60.99🇬🇧 Microsoft48.208.0.0/13 | ||||||
| NS | ns1.infonet.jp ⭐ | ||||||
| A | 138.91.6.2🇯🇵 Microsoft138.91.0.0/16 MICROSOFT | ||||||
| NS | ns2.infonet.jp | ||||||
| A | 20.210.135.210🇯🇵 Microsoft20.192.0.0/10 | ||||||
| MX | popsmtp.concept-y.com ⭐ | ||||||
| A | 138.91.1.148🇯🇵 Microsoft138.91.0.0/16 MICROSOFT | ||||||
| PTR | p-mail01.infonet.jp | ||||||
| SOA | ns1.infonet.jphostmaster@concept-y.com 2025-07-14 #1 | ||||||
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=1774825342 | ||||||
Previously MX for
concept-y.com |
Subdomains
popsmtp.concept-y.com |
Same first word
concept-y.com |
Similar names
DNS History
8 records (4 active, 4 former)
●NSns1.infonet.jp2015-06-05 → 2026-03-29 · 2 obs
● 2026-03-29 23:25:30
●NSns2.infonet.jp2015-06-05 → 2026-03-29 · 2 obs
● 2026-03-29 23:25:30
○MXconcept-y.com2015-06-05 → 2015-10-23 · 4 obs
● 2015-10-23 03:17:30
○ 2015-12-25 02:25:10
○ 2026-03-29 23:25:30
○MXmx.concept-y.com2015-12-25 → 2017-09-11 · 5 obs
● 2015-12-25 02:25:10
● 2017-09-11 09:34:16
○ 2026-02-15 03:53:12
○ 2026-03-29 23:25:30
●MXpopsmtp.concept-y.com2026-02-15 → 2026-03-29 · 3 obs
● 2026-02-15 03:53:12
● 2026-03-29 23:25:30
○A219.106.247.1652015-06-05 → 2015-10-23 · 4 obs
● 2015-10-23 03:17:30
○ 2015-12-25 02:25:10
○ 2026-03-29 23:25:30
●A48.210.60.992026-02-15 → 2026-03-29 · 3 obs
● 2026-02-15 03:53:12
● 2026-03-29 23:25:30
○A61.119.123.1052015-12-25 → 2017-09-11 · 5 obs
● 2015-12-25 02:25:10
● 2017-09-11 09:34:16
○ 2026-02-15 03:53:12
○ 2026-03-29 23:25:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| concept-y.com | ns1.infonet.jp, ns2.infonet.jp | - |
✅ Authoritative Response
Server:20.210.135.210
NS records: ns1.infonet.jp, ns2.infonet.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for concept-y.com (unsigned zone)
⏱️ Timing
Total: 1158ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 48.210.60.99 |
| NS | 2 | ns1.infonet.jp, ns2.infonet.jp |
| MX | 1 | popsmtp.concept-y.com (pri: 10) |
| SOA | 1 | ns1.infonet.jp hostmaster.concept-y.com |
Analysis
Hierarchy
concept-y.com is parent of popsmtp.concept-y.com.
IP Addresses
concept-y.com points to a single IP: 48.210.60.99.
Other host names, for instance ishimaru.biz, share IP numbers with concept-y.com.
Name Servers
concept-y.com's delegation is to two name servers ns1.infonet.jp and ns2.infonet.jp.
concept-y.com shares the same name server configuration as other domains, such as astramline.co.jp, akasaka-kyodo.com, 1086.jp, tokyo-tsunagari.or.jp and kosakalab.co.jp.
Host names with a single IP:
ns1.infonet.jp resolves to 138.91.6.2.
ns2.infonet.jp resolves to 20.210.135.210.
Mail Servers
concept-y.com is served by a single mail server, popsmtp.concept-y.com.
popsmtp.concept-y.com points to IP number 138.91.1.148.