tandem-c.com - robtex.com
tandem-c.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 ⚠️ Not in parent delegation | ||||||
| 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 ⚠️ Not in parent delegation | ||||||
| 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 | mail.tandem-c.com ⭐ | ||||||
| A | 125.100.158.105🇯🇵 UCOM125.100.0.0/14 ARTERIA Networks Corporation(UCOM) | ||||||
| TXT | v=spf1 +ip4:125.100.158.105 ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1653627386 | ||||||
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=1775964677 | ||||||
Subdomains
mail.tandem-c.com |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NS03.dnsv.jp2026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 09:57:50
● 2026-04-12 03:42:24
●NS04.dnsv.jp2026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 09:57:50
● 2026-04-12 03:42:24
●MXmail.tandem-c.com2015-08-18 → 2026-04-12 · 2 obs
● 2026-04-12 03:42:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| tandem-c.com | 01.dnsv.jp, 02.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tandem-c.com (unsigned zone)
⏱️ Timing
Total: 981ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail.tandem-c.com (pri: 10) |
| TXT | 1 | v=spf1 +ip4:125.100.158.105 ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
The parent of mail.tandem-c.com is tandem-c.com.
Name Servers
tandem-c.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
tandem-c.com shares name servers with other domains at least partially, for instance flower-shop-kashiyama.com, uyamaresort.com, ym-agency.com, liaru.net and oyakebaruterrace.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
The mail server for tandem-c.com is mail.tandem-c.com.
Host name mail.tandem-c.com resolves to IP 125.100.158.105.