taskcalc.com - robtex.com
taskcalc.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 | ||||||
| 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 | mxa.mailgun.org ⭐ | ||||||
| A | 34.36.182.139🇺🇸 Google34.32.0.0/11 | ||||||
| PTR | 139.182.36.34.bc.googleusercontent.com | ||||||
| MX | mxb.mailgun.org ⭐ | ||||||
| A | 34.36.182.139🇺🇸 Google34.32.0.0/11 | ||||||
| PTR | 139.182.36.34.bc.googleusercontent.com | ||||||
| TXT | v=spf1 include:mailgun.org ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1493563062 | ||||||
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=1787701340 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
9 records (6 active, 3 former)
●NS01.dnsv.jp2017-09-15 → 2026-08-25 · 3 obs
● 2017-09-15 19:38:00
● 2026-08-25 23:51:44
●NS02.dnsv.jp2017-09-15 → 2026-08-25 · 3 obs
● 2017-09-15 19:38:00
● 2026-08-25 23:51:44
●NS03.dnsv.jp2017-09-15 → 2026-08-25 · 3 obs
● 2017-09-15 19:38:00
● 2026-08-25 23:51:44
●NS04.dnsv.jp2017-09-15 → 2026-08-25 · 3 obs
● 2017-09-15 19:38:00
● 2026-08-25 23:51:44
○NSdns1.onamae.com2016-12-16 → 2016-12-16 · 3 obs
○ 2017-09-15 19:38:00
○ 2026-08-25 23:51:44
○NSdns2.onamae.com2016-12-16 → 2016-12-16 · 3 obs
○ 2017-09-15 19:38:00
○ 2026-08-25 23:51:44
●MXmxa.mailgun.org2017-09-15 → 2026-08-25 · 2 obs
● 2026-08-25 23:51:44
●MXmxb.mailgun.org2017-09-15 → 2026-08-25 · 2 obs
● 2026-08-25 23:51:44
○A210.157.1.1342016-12-16 → 2016-12-16 · 3 obs
○ 2017-09-15 19:38:00
○ 2026-08-25 23:51:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| taskcalc.com | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for taskcalc.com (unsigned zone)
⏱️ Timing
Total: 1186ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 2 | mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10) |
| TXT | 1 | v=spf1 include:mailgun.org ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Name Servers
Four name servers handle the delegation for taskcalc.com: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
There is at least partial name server overlap between taskcalc.com and other domains — tbcg.co.jp, c-kisekae.com, kominekagu.com and two more among them.
Host names pointing to two IP addresses:
01.dnsv.jp has two IP addresses: 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp has two IP addresses: 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp has two IP addresses: 157.7.35.53 and 2400:8500:3fff::53.
Host names resolving to a single IP address:
02.dnsv.jp directs to 157.7.33.53.
Mail Servers
taskcalc.com uses two mail servers, mxa.mailgun.org and mxb.mailgun.org.
The mail server setup of taskcalc.com matches that of other domains such as moparpartsny.com, mail.traininghott.com, tdewrestling.com and two others.
At least some of the mail servers used by taskcalc.com are shared with other domains: rezaafshar.com, brandarchive.xyz, ahcentral.com and two others among them.
These mail servers often appear in conjunction with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com.
Both mxa.mailgun.org and mxb.mailgun.org have a single IP address, 34.36.182.139, and share it.
Host names pointing to 34.36.182.139 IP addresses: mxa.mailgun.org and mxb.mailgun.org.