kr.calc-time.com - robtex.com
kr.calc-time.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.181.99.16🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www296.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp ⚠️ Not in parent delegation | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp ⚠️ Not in parent delegation | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | kr.calc-time.com ⭐ | ||||||
| A | 202.181.99.16🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www296.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www296.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2019-05-15 #14 | ||||||
calc-time.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.181.99.16🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| NS | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| MX | calc-time.com ⭐ | ||||||
| TXT | v=spf1 a:www296.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2019-05-15 #14 | ||||||
MX for
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXkr.calc-time.com2026-04-17 → 2026-05-11 · 2 obs
● 2026-05-11 03:23:04
●A202.181.99.162026-04-17 → 2026-05-11 · 2 obs
● 2026-05-11 03:23:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net... | - |
| calc-time.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calc-time.com (unsigned zone)
⏱️ Timing
Total: 880ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.181.99.16 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | kr.calc-time.com (pri: 10) |
| TXT | 1 | v=spf1 a:www296.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
kr.calc-time.com serves as the mail server for kr.calc-time.com.
IP Addresses
kr.calc-time.com points to a single IP address: 202.181.99.16.
Other host names such as ima-news.com, saegusa-net.co.jp, kazenomura.sakura.ne.jp, kr.calc-date.com and pockeworks.com share IP numbers with kr.calc-time.com.
Name Servers
kr.calc-time.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
At least part of the name servers for kr.calc-time.com are shared with other domains, for instance manazashi2009.sakura.ne.jp, deco-tokyo.com, zeikin.info, art-sanyo.com and eiwadc.co.jp.
These name servers are commonly used alongside the name servers dns.sakura.ad.jp.
Host names with a single IP:
master.dns.ne.jp points to: 210.224.172.18
ns1.dns.ne.jp points to: 61.211.236.1
ns2.dns.ne.jp points to: 133.167.21.1
Mail Servers
Mail for kr.calc-time.com is handled by a single mail server, kr.calc-time.com.
Host kr.calc-time.com points to IP 202.181.99.16.