books-cloud.com - dns.ninja
books-cloud.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.16.72.206🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | tk2-212-15702.vs.sakura.ne.jp | ||||||
| NS | ns1.a191.srvdomestic5259.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 160.16.72.206🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | tk2-212-15702.vs.sakura.ne.jp | ||||||
| NS | ns1.sufficulo1526.com ⚠️ Not in zone NS records | ||||||
| A | 160.16.72.206🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | tk2-212-15702.vs.sakura.ne.jp | ||||||
| NS | ns2.a191.srvdomestic5259.com ⚠️ Not in parent delegation | ||||||
| A | 160.16.72.206🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | tk2-212-15702.vs.sakura.ne.jp | ||||||
| NS | ns2.sufficulo1526.com ⚠️ Not in zone NS records | ||||||
| A | 160.16.72.206🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | tk2-212-15702.vs.sakura.ne.jp | ||||||
| MX | books-cloud.com ⭐ | ||||||
| A | 160.16.72.206🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | tk2-212-15702.vs.sakura.ne.jp | ||||||
| TXT | v=spf1 +a +mx +ip4:160.16.72.206 ~all | ||||||
| SOA | ns1.a191.srvdomestic5259.compostmaster@books-cloud.com 2026-04-10 #23 | ||||||
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=1786545774 | ||||||
MX for
books-cloud.com |
Same first word
books-cloud.com |
DNS History
25 records (6 active, 19 former)
○NSdane.ns.cloudflare.com2016-11-20 → 2016-11-20 · 4 obs
○ 2016-04-12 18:37:10
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
○NSetta.ns.cloudflare.com2016-11-20 → 2016-11-20 · 4 obs
○ 2016-04-12 18:37:10
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
○NSns1.a166.srvdomestic3031.com2026-07-09 → 2026-08-12 · 2 obs
○ 2026-07-09 08:56:40
○ 2026-08-12 14:55:16
○ 2026-08-12 14:55:16
●NSns1.a191.srvdomestic5259.com2026-07-09 → 2026-08-12 · 3 obs
○ 2017-02-16 08:57:34
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
○NSns1.dreamhost.com2015-07-06 → 2016-04-12 · 4 obs
● 2015-07-06 03:31:48
● 2016-04-12 18:37:10
○ 2016-11-20 05:42:10
○ 2026-08-12 14:55:16
● 2016-04-12 18:37:10
○ 2016-11-20 05:42:10
○ 2026-08-12 14:55:16
●NSns1.sufficulo1526.com2026-07-09 → 2026-08-12 · 3 obs
○ 2017-02-16 08:57:34
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
○NSns2.a166.srvdomestic3031.com2026-07-09 → 2026-08-12 · 2 obs
○ 2026-07-09 08:56:40
○ 2026-08-12 14:55:16
○ 2026-08-12 14:55:16
●NSns2.a191.srvdomestic5259.com2026-07-09 → 2026-08-12 · 3 obs
○ 2017-02-16 08:57:34
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
○NSns2.dreamhost.com2015-07-06 → 2016-04-12 · 4 obs
● 2015-07-06 03:31:48
● 2016-04-12 18:37:10
○ 2016-11-20 05:42:10
○ 2026-08-12 14:55:16
● 2016-04-12 18:37:10
○ 2016-11-20 05:42:10
○ 2026-08-12 14:55:16
●NSns2.sufficulo1526.com2026-07-09 → 2026-08-12 · 3 obs
○ 2017-02-16 08:57:34
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
○NSns3.dreamhost.com2015-07-06 → 2016-04-12 · 4 obs
● 2015-07-06 03:31:48
● 2016-04-12 18:37:10
○ 2016-11-20 05:42:10
○ 2026-08-12 14:55:16
● 2016-04-12 18:37:10
○ 2016-11-20 05:42:10
○ 2026-08-12 14:55:16
○NSpdns09.domaincontrol.com2017-02-16 → 2017-02-16 · 4 obs
○ 2016-11-20 05:42:10
● 2017-02-16 08:57:34
○ 2026-07-09 08:56:40
○ 2026-08-12 14:55:16
● 2017-02-16 08:57:34
○ 2026-07-09 08:56:40
○ 2026-08-12 14:55:16
○NSpdns10.domaincontrol.com2017-02-16 → 2017-02-16 · 4 obs
○ 2016-11-20 05:42:10
● 2017-02-16 08:57:34
○ 2026-07-09 08:56:40
○ 2026-08-12 14:55:16
● 2017-02-16 08:57:34
○ 2026-07-09 08:56:40
○ 2026-08-12 14:55:16
●MXbooks-cloud.com2026-07-09 → 2026-08-12 · 3 obs
○ 2017-02-16 08:57:34
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
○MXdc-8d8c12e7-mail.books-cloud.com2016-11-20 → 2016-11-20 · 3 obs
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
○MXmail.books-cloud.com2017-02-16 → 2017-02-16 · 4 obs
○ 2016-11-20 05:42:10
● 2017-02-16 08:57:34
○ 2026-07-09 08:56:40
○ 2026-08-12 14:55:16
● 2017-02-16 08:57:34
○ 2026-07-09 08:56:40
○ 2026-08-12 14:55:16
○A104.18.42.482016-11-20 → 2016-11-20 · 4 obs
○ 2016-04-12 18:37:10
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
○A104.18.43.482016-11-20 → 2016-11-20 · 4 obs
○ 2016-04-12 18:37:10
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
○A133.125.32.1452026-07-09 → 2026-08-12 · 2 obs
○ 2026-07-09 08:56:40
○ 2026-08-12 14:55:16
○ 2026-08-12 14:55:16
●A160.16.72.2062026-07-09 → 2026-08-12 · 3 obs
○ 2017-02-16 08:57:34
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
● 2026-07-09 08:56:40
● 2026-08-12 14:55:16
○A173.236.158.2522015-07-06 → 2016-04-12 · 4 obs
● 2015-07-06 03:31:48
● 2016-04-12 18:37:10
○ 2016-11-20 05:42:10
○ 2026-08-12 14:55:16
● 2016-04-12 18:37:10
○ 2016-11-20 05:42:10
○ 2026-08-12 14:55:16
○A23.229.193.962017-02-16 → 2017-02-16 · 4 obs
○ 2016-11-20 05:42:10
● 2017-02-16 08:57:34
○ 2026-07-09 08:56:40
○ 2026-08-12 14:55:16
● 2017-02-16 08:57:34
○ 2026-07-09 08:56:40
○ 2026-08-12 14:55:16
○A2400:cb00:2048:1::6812:2a302016-11-20 → 2016-11-20 · 4 obs
○ 2016-04-12 18:37:10
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
○A2400:cb00:2048:1::6812:2b302016-11-20 → 2016-11-20 · 4 obs
○ 2016-04-12 18:37:10
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
● 2016-11-20 05:42:10
○ 2017-02-16 08:57:34
○ 2026-08-12 14:55:16
○A2607:f298:5:103f::fab:d6622015-07-06 → 2016-04-12 · 4 obs
● 2015-07-06 03:31:48
● 2016-04-12 18:37:10
○ 2016-11-20 05:42:10
○ 2026-08-12 14:55:16
● 2016-04-12 18:37:10
○ 2016-11-20 05:42:10
○ 2026-08-12 14:55:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| books-cloud.com | ns1.sufficulo1526.com, ns2.sufficulo1526.com | 2 records |
✅ Authoritative Response
Server:160.16.72.206
NS records: ns1.sufficulo1526.com, ns2.sufficulo1526.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for books-cloud.com (unsigned zone)
⏱️ Timing
Total: 398ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.16.72.206 |
| NS | 2 | ns1.a191.srvdomestic5259.com, ns2.a191.srvdomestic5259.com |
| MX | 1 | books-cloud.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:160.16.72.206 ~all |
| SOA | 1 | ns1.a191.srvdomestic5259.com postmaster. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.sufficulo1526.com, ns2.sufficulo1526.com)
Analysis
Mail Server Role
books-cloud.com handles its own mail, functioning as its own mail server.
IP Addresses
books-cloud.com resolves to just one IP address, 160.16.72.206.
Two other host names, along with local-iot.jp, ns1.a191.srvdomestic5259.com and kimame.net, also share IP numbers with books-cloud.com.
Name Servers
The NS records for books-cloud.com point to four name servers: ns1.sufficulo1526.com, ns2.sufficulo1526.com, ns1.a191.srvdomestic5259.com and ns2.a191.srvdomestic5259.com.
books-cloud.com shares at least some of its name servers with other domains, including local-iot.jp, ns1.a191.srvdomestic5259.com, kimame.net and two others.
These name servers are frequently seen alongside the name servers ns1.centos-webpanel.com.
All four host names — ns1.sufficulo1526.com, ns2.sufficulo1526.com, ns1.a191.srvdomestic5259.com and ns2.a191.srvdomestic5259.com — resolve to 160.16.72.206.
These host names all point to 160.16.72.206: ns1.sufficulo1526.com, ns2.sufficulo1526.com, ns1.a191.srvdomestic5259.com and ns2.a191.srvdomestic5259.com.
Mail Servers
books-cloud.com is served by just one mail server: books-cloud.com.
books-cloud.com has exactly one IP number: 160.16.72.206.