celf-reading.com - robtex.com
celf-reading.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2403:3a00:101:b:219:94:129:227🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www1187.sakura.ne.jp | ||||||
| A | 219.94.129.227🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| 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 | celf-reading.com ⭐ | ||||||
| A | 2403:3a00:101:b:219:94:129:227🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www1187.sakura.ne.jp | ||||||
| A | 219.94.129.227🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1187.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1187.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2018-03-04 #0 | ||||||
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=1774546022 | ||||||
MX for
celf-reading.com |
Same first word
celf-reading.com |
DNS History
6 records (6 active, 0 former)
●MXcelf-reading.com2018-05-09 → 2026-03-26 · 2 obs
● 2026-03-26 17:38:58
●A219.94.129.2272018-05-09 → 2026-03-26 · 2 obs
● 2026-03-26 17:38:58
●A2403:3a00:101:b:219:94:129:2272018-05-09 → 2026-03-26 · 2 obs
● 2026-03-26 17:38:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| celf-reading.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 celf-reading.com (unsigned zone)
⏱️ Timing
Total: 973ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.129.227 |
| AAAA | 1 | 2403:3a00:101:b:219:94:129:227 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | celf-reading.com (pri: 10) |
| TXT | 1 | v=spf1 a:www1187.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
For celf-reading.com, the mail server is celf-reading.com.
IP Addresses
celf-reading.com resolves to two IP numbers: 2403:3a00:101:b:219:94:129:227 and 219.94.129.227.
other host names including koujunkai.jp, kipio.net, solaris-inc.com, oliveyh.com and www.deka.co.jp share IP numbers with celf-reading.com.
Name Servers
celf-reading.com is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
celf-reading.com at least partially shares name servers with other domains, for instance phget.com, rabimoon.com, s-d-s.jp, kanda-jhs.sakura.ne.jp and saferinternet.or.jp.
these name servers are commonly used alongside dns.sakura.ad.jp.
Host names with one 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
celf-reading.com is served by a single mail server, celf-reading.com.
celf-reading.com resolves to two IP numbers: 2403:3a00:101:b:219:94:129:227 and 219.94.129.227.