lambda-s.com - robtex.com
lambda-s.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.189.188🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users218.vip.heteml.jp | ||||||
| NS | lambda-s.com ⭐ | ||||||
| A | 157.7.189.188🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users218.vip.heteml.jp | ||||||
| NS | dns01.muumuu-domain.com | ||||||
| A | 202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc. | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| A | 160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 | ||||||
| MX | mail49.heteml.jp ⭐ | ||||||
| A | 157.7.189.15🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mail-proxy.heteml.jp | ||||||
| TXT | v=spf1 include:_spf.heteml.jp +a:mlg.pro-seeds.com ~all | ||||||
| SOA | lambda-s.compostmaster@lambda-s.com serial=1771460890 | ||||||
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=1788175415 | ||||||
NS for
lambda-s.com |
Same first word
lambda-s.com |
Similar names
Previous names
Next names
DNS History
6 records (5 active, 1 former)
●NSdns01.muumuu-domain.com2015-08-23 → 2026-08-31 · 2 obs
● 2026-08-31 11:44:24
●NSdns02.muumuu-domain.com2015-08-23 → 2026-08-31 · 2 obs
● 2026-08-31 11:44:24
●NSlambda-s.com2015-08-23 → 2026-08-31 · 2 obs
● 2026-08-31 11:44:24
○A157.7.188.1842015-08-23 → 2017-06-16 · 4 obs
● 2017-06-16 01:46:30
○ 2026-08-25 12:11:36
○ 2026-08-31 11:44:24
●A157.7.189.1882026-08-25 → 2026-08-31 · 3 obs
● 2026-08-25 12:11:36
● 2026-08-31 11:44:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net... | - |
| lambda-s.com | dns01.muumuu-domain.com, dns02.muumuu-domain.com | 2 records |
✅ Authoritative Response
Server:202.239.23.39
NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lambda-s.com (unsigned zone)
⏱️ Timing
Total: 456ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.189.188 |
| NS | 2 | dns01.muumuu-domain.com, dns02.muumuu-domain.com |
| MX | 1 | mail49.heteml.jp (pri: 50) |
| TXT | 1 | v=spf1 include:_spf.heteml.jp +a:mlg.pro |
| SOA | 1 | lambda-s.com postmaster.lambda-s.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)
Analysis
Name Server Role
lambda-s.com has lambda-s.com as one of its name servers, making it self-hosted for DNS delegation.
dns01.muumuu-domain.com, dns02.muumuu-domain.com and lambda-s.com are commonly seen together as name servers.
IP Addresses
lambda-s.com directs to one IP number, which is 157.7.189.188.
Among the host names that share IP numbers with lambda-s.com are go-cart.jp, tbma.jp, www.fuji-moto.com and two others.
Name Servers
The NS records for lambda-s.com list three name servers: lambda-s.com, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
The name servers of lambda-s.com overlap at least partially with those of other domains — among them kabugeki.com, dam-tour.com, hitujihome.com and two more.
lambda-s.com has IP address 157.7.189.188, dns01.muumuu-domain.com has IP address 202.239.23.39 and dns02.muumuu-domain.com has IP address 160.251.249.62 — one address each.
Mail Servers
lambda-s.com routes its mail through a single mail server, mail49.heteml.jp.
lambda-s.com has the same mail server arrangement as a number of other domains, for example malta-go.com, mandt-net.com, jyoushin.com and two more.
lambda-s.com partially shares its mail servers with other domains; known examples include ctocgroup.co.jp, shashinkoubou.com and step-u.com.
It is common to find these mail servers paired with the mail servers ctocgroup-co-jp.mail.protection.outlook.com.
mail49.heteml.jp resolves to 157.7.189.15 and no other IP number.