book-lab.net - robtex.com

book-lab.net

DNSSEC⚠️ Not signed
A210.188.201.46🇯🇵 SAKURA-C210.188.192.0/19 SAKURA-B (2/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
NSns1.value-domain.com ⭐
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns4.value-domain.com ⚠️ Not in zone NS records
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns5.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXbook-lab.net ⭐
A210.188.201.46🇯🇵 SAKURA-C210.188.192.0/19 SAKURA-B (2/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
SOAns1.value-domain.comhostmaster@book-lab.net 2026-01-07 #1

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778650251

MX for

book-lab.net

Same first word

book-lab.net
book-lab.org

Similar names

lab-book.co.uk

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1.value-domain.comns2.value-domain.comns3.value-domain.comns4.value-domain.comns5.value-domain.comns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXbook-lab.netA210.188.201.46
●NSns1.value-domain.com2026-05-13 → 2026-05-13 · 2 obs
○ 2017-03-27 13:30:50
● 2026-05-13 05:52:52
○NSns1.xserver.jp2015-12-01 → 2017-03-27 · 3 obs
● 2015-12-01 09:54:44
● 2017-03-27 13:30:50
○ 2026-05-13 05:52:52
●NSns2.value-domain.com2026-05-13 → 2026-05-13 · 2 obs
○ 2017-03-27 13:30:50
● 2026-05-13 05:52:52
○NSns2.xserver.jp2015-12-01 → 2017-03-27 · 3 obs
● 2015-12-01 09:54:44
● 2017-03-27 13:30:50
○ 2026-05-13 05:52:52
●NSns3.value-domain.com2026-05-13 → 2026-05-13 · 2 obs
○ 2017-03-27 13:30:50
● 2026-05-13 05:52:52
○NSns3.xserver.jp2015-12-01 → 2017-03-27 · 3 obs
● 2015-12-01 09:54:44
● 2017-03-27 13:30:50
○ 2026-05-13 05:52:52
●NSns4.value-domain.com2026-05-13 → 2026-05-13 · 2 obs
○ 2017-03-27 13:30:50
● 2026-05-13 05:52:52
○NSns4.xserver.jp2015-12-01 → 2017-03-27 · 3 obs
● 2015-12-01 09:54:44
● 2017-03-27 13:30:50
○ 2026-05-13 05:52:52
●NSns5.value-domain.com2026-05-13 → 2026-05-13 · 2 obs
○ 2017-03-27 13:30:50
● 2026-05-13 05:52:52
○NSns5.xserver.jp2015-12-01 → 2017-03-27 · 3 obs
● 2015-12-01 09:54:44
● 2017-03-27 13:30:50
○ 2026-05-13 05:52:52
●MXbook-lab.net2015-12-01 → 2026-05-13 · 2 obs
● 2015-12-01 09:54:44
● 2026-05-13 05:52:52
●A210.188.201.462015-12-01 → 2026-05-13 · 2 obs
● 2015-12-01 09:54:44
● 2026-05-13 05:52:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
book-lab.netns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com...-

✅ Authoritative Response

Server:172.64.52.38

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for book-lab.net (unsigned zone)

⏱️ Timing

Total: 453ms | Queries: -

📄 Records

TypeCountSample Data
A1210.188.201.46
NS2ns2.value-domain.com, ns1.value-domain.com
MX1book-lab.net (pri: 10)
SOA1ns1.value-domain.com hostmaster.book-lab

Analysis

Mail Server Role

book-lab.net serves as a mail server for book-lab.net.

IP Addresses

book-lab.net points to a single IP: 210.188.201.46.

Name Servers

book-lab.net is delegated to five name servers: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com and ns5.value-domain.com.

book-lab.net at least partially shares its name servers with other domains, for instance syouei.org, yasagure.org, comont.net, urumadelvi.com and tsujioka.net.

These name servers are commonly used with ns11.value-domain.com, ns12.value-domain.com and ns13.value-domain.com.

Host names with two IPs:

The host name ns1.value-domain.com points to: 172.64.52.38 and 172.64.52.161.

The host name ns2.value-domain.com points to: 172.64.53.3 and 172.64.53.115.

The host name ns3.value-domain.com points to: 172.64.52.38 and 172.64.52.161.

The host name ns4.value-domain.com points to: 172.64.53.3 and 172.64.53.115.

The host name ns5.value-domain.com points to: 172.64.52.38 and 172.64.52.161.

Host names that point to 172.64.52.38: ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com

Host names that point to 172.64.52.161: ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com

Host names that point to 172.64.53.3: ns2.value-domain.com and ns4.value-domain.com

Host names that point to 172.64.53.115: ns2.value-domain.com and ns4.value-domain.com

Mail Servers

book-lab.net is handled by a single mail server.

book-lab.net points to IP number 210.188.201.46.