mem44.com - robtex.com
mem44.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 61.121.245.120🇯🇵 IDC61.121.240.0/20 Frontier Inc. | ||||||
| PTR | undefined.hostname.localhost | ||||||
| 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 | mem44.com ⭐ | ||||||
| A | 61.121.245.120🇯🇵 IDC61.121.240.0/20 Frontier Inc. | ||||||
| PTR | undefined.hostname.localhost | ||||||
| TXT | v=spf1 ip4:61.121.245.120 -all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1711001809 | ||||||
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=1775984947 | ||||||
MX for
mem44.com |
Same first word
mem44.com |
DNS History
8 records (6 active, 2 former)
●MXmem44.com2026-03-30 → 2026-04-12 · 2 obs
● 2026-04-12 09:09:36
○A166.62.95.2122016-12-17 → 2016-12-17 · 3 obs
○ 2017-12-22 07:56:40
○ 2026-04-12 09:09:36
●A61.121.245.1202026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 02:58:04
● 2026-04-12 09:09:36
○A67.21.83.1252017-12-22 → 2017-12-22 · 4 obs
● 2017-12-22 07:56:40
○ 2026-03-30 02:58:04
○ 2026-04-12 09:09:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| mem44.com | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.35.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mem44.com (unsigned zone)
⏱️ Timing
Total: 1076ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.121.245.120 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mem44.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:61.121.245.120 -all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Mail Server Role
For mem44.com, the mail server is mem44.com.
IP Addresses
mem44.com resolves to one IP number: 61.121.245.120.
Other host names, for instance me08mo.com, share IP numbers with mem44.com.
Name Servers
mem44.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
mem44.com at least partially shares name servers with other domains, for instance sakuraya.jp, prontest.com, novice-is.com, wikiwikitour.com and itadaki.com.
Host names 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 names with one IP number:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
mem44.com is served by a single mail server, mem44.com.
mem44.com resolves to IP 61.121.245.120.