skyfield.org - robtex.com
skyfield.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 182.48.49.165🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2225.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 | ||||||
| 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 | ||||||
| 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 | skyfield.org ⭐ | ||||||
| A | 182.48.49.165🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2225.sakura.ne.jp | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-10-19 #2 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ | ||||||
| NS | a2.org.afilias-nst.info | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774633784 | ||||||
MX for
skyfield.org |
Same first word
DNS History
6 records (5 active, 1 former)
●MXskyfield.org2015-06-23 → 2026-03-27 · 2 obs
● 2026-03-27 18:26:28
●A182.48.49.1652026-03-02 → 2026-03-27 · 3 obs
● 2026-03-02 10:05:18
● 2026-03-27 18:26:28
○A202.181.99.632015-06-23 → 2020-01-07 · 4 obs
● 2020-01-07 12:19:30
○ 2026-03-02 10:05:18
○ 2026-03-27 18:26:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| skyfield.org | 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 skyfield.org (unsigned zone)
⏱️ Timing
Total: 2034ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 182.48.49.165 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | skyfield.org (pri: 10) |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
skyfield.org serves as the mail server for skyfield.org.
IP Addresses
skyfield.org resolves to one IP number: 182.48.49.165.
Other host names, for instance mail.c-conet.org, kujyou-kaikei.com, lsicciadeli.com, bookbright.co.jp and toruotani.com share IP numbers with skyfield.org.
Name Servers
skyfield.org is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
skyfield.org at least partially shares name servers with other domains, including mocom.co.jp, mage-7436-jg.sakura.ne.jp, sastty.jp, careerscape.co.jp and kuriko.biz.
These name servers are commonly used with 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
skyfield.org is handled by a single mail server, skyfield.org.
Host name skyfield.org resolves to a single IP: 182.48.49.165.