kr.calc-date.com - robtex.com
kr.calc-date.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-date.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-date.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-date.com ⭐ | ||||||
| TXT | v=spf1 a:www296.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2019-05-15 #13 | ||||||
MX for
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXkr.calc-date.com2026-04-04 → 2026-05-11 · 2 obs
● 2026-05-11 04:38:00
●A202.181.99.162026-04-04 → 2026-05-11 · 2 obs
● 2026-05-11 04:38:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| calc-date.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calc-date.com (unsigned zone)
⏱️ Timing
Total: 1733ms | 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-date.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-date.com serves as the mail server for kr.calc-date.com.
IP Addresses
kr.calc-date.com points to a single IP number: 202.181.99.16.
Other host names, for instance art-nouen.jp, piedi.sakura.ne.jp, support.dds.co.jp, www296.sakura.ne.jp and dgp.ne.jp share IP numbers with kr.calc-date.com.
Name Servers
The domain kr.calc-date.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
kr.calc-date.com shares name servers with other domains at least partially, for instance hemuri.com, itsev.sakura.ne.jp, sendaischoolofdesign.jp, jakumonken.sakura.ne.jp and underconstruction.info.
these name servers are often used together with the name servers dns.sakura.ad.jp.
Host names with a single IP number:
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
A single mail server handles kr.calc-date.com and kr.calc-date.com.
Host name kr.calc-date.com resolves to IP 202.181.99.16.