crebnet.com - robtex.com

crebnet.com

DNSSEC⚠️ Not signed
A49.212.243.161🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3621.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 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
PTRns2.dns.ne.jp
MXcrebnet.com ⭐
A49.212.243.161🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3621.sakura.ne.jp
TXTv=spf1 a:www3621.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-05-26 #10

com

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=1774788832

MX for

crebnet.com

Same first word

crebnet.com

Similar names

bcentre.ru
bcenter.cn
bcenter.fr
bcenter.com.cn
bcenter.com.pl
bcenter.com
enterbc.com
bcenter.co.il
netbrec.fr
brentec.de
bcenter.org.ua
bcenter.be
cerbnet.net
bcenter.ru
bcenter.org
brentec.mx
bcenter.net
bcerten.pl
brentec.com
bcenter.de
bcentre.net
brecnet.com
bcenter.eu
bcentre.com
cerbnet.de
bcenter.si

DNS History

8 records (5 active, 3 former)

200920112013201520172019202120232025NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns1.myhostcenter.comns2.myhostcenter.comMXcrebnet.comA49.212.243.161199.204.248.107
●NSmaster.dns.ne.jp2026-03-08 → 2026-03-29 · 3 obs
○ 2020-02-18 22:42:06
● 2026-03-08 11:21:46
● 2026-03-29 13:19:08
●NSns1.dns.ne.jp2026-03-08 → 2026-03-29 · 3 obs
○ 2020-02-18 22:42:06
● 2026-03-08 11:21:46
● 2026-03-29 13:19:08
○NSns1.myhostcenter.com2015-05-29 → 2020-02-18 · 5 obs
○ 2008-03-20 10:48:38
● 2015-05-29 03:14:22
● 2020-02-18 22:42:06
○ 2026-03-08 11:21:46
○ 2026-03-29 13:19:08
●NSns2.dns.ne.jp2026-03-08 → 2026-03-29 · 3 obs
○ 2020-02-18 22:42:06
● 2026-03-08 11:21:46
● 2026-03-29 13:19:08
○NSns2.myhostcenter.com2015-05-29 → 2020-02-18 · 5 obs
○ 2008-03-20 10:48:38
● 2015-05-29 03:14:22
● 2020-02-18 22:42:06
○ 2026-03-08 11:21:46
○ 2026-03-29 13:19:08
●MXcrebnet.com2015-05-29 → 2026-03-29 · 3 obs
○ 2008-03-20 10:48:38
● 2015-05-29 03:14:22
● 2026-03-29 13:19:08
○A199.204.248.1072015-05-29 → 2020-02-18 · 5 obs
○ 2008-03-20 10:48:38
● 2015-05-29 03:14:22
● 2020-02-18 22:42:06
○ 2026-03-08 11:21:46
○ 2026-03-29 13:19:08
●A49.212.243.1612026-03-08 → 2026-03-29 · 3 obs
○ 2020-02-18 22:42:06
● 2026-03-08 11:21:46
● 2026-03-29 13:19:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
crebnet.comns1.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 crebnet.com (unsigned zone)

⏱️ Timing

Total: 878ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.243.161
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1crebnet.com (pri: 10)
TXT1v=spf1 a:www3621.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

crebnet.com serves as the mail server for crebnet.com.

IP Addresses

crebnet.com points to IP number 49.212.243.161.

For instance, other host names i-citynet.com, shikoku-sekisui.com, tamatebako.com, fukuokalpg.sakura.ne.jp and pawn-marusho.co.jp share IP numbers with crebnet.com.

Name Servers

The delegation for crebnet.com is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

crebnet.com shares name servers with other domains at least partially, for example eecp.or.jp, mail.nishinihon-re.com, hifive.org, tail-one.com and augusta-staff.sakura.ne.jp.

These name servers are commonly used with dns.sakura.ad.jp.

Host names with a single IP address: 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

crebnet.com is handled by a single mail server, crebnet.com.

crebnet.com points to a single IP: 49.212.243.161.