mail.crosslab.jp - robtex.com

mail.crosslab.jp

CNAMEcrosslab.jp
DNSSEC⚠️ Not signed
A49.212.180.213🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2773.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
MXcrosslab.jp ⭐
A49.212.180.213🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2773.sakura.ne.jp
TXTv=spf1 a:www2773.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-04-10 #1

crosslab.jp

DNSSEC⚠️ Not signed
A49.212.180.213🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
NSmaster.dns.ne.jp ⭐
NSns1.dns.ne.jp
NSns2.dns.ne.jp
MXcrosslab.jp ⭐
TXTv=spf1 a:www2773.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-04-10 #1

Previously MX for

crosslab.jp

Same first word

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DNS History

1 record (1 active, 0 former)

CNAMEcrosslab.jp
●CNAMEcrosslab.jp2026-03-12 → 2026-05-09 · 2 obs
● 2026-03-12 19:12:48
● 2026-05-09 20:20:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpc.dns.jp, h.dns.jp, g.dns.jp, e.dns.jp...-
crosslab.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns2.dns.ne.jp, ns1.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crosslab.jp (unsigned zone)

⏱️ Timing

Total: 654ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1crosslab.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)

Analysis

IP Addresses

mail.crosslab.jp resolves to one IP number: 49.212.180.213.

other host names including kyoto-color.com, yahhoi.com, crosslab.co.jp, www2773.sakura.ne.jp and isedaya.com share IP numbers with mail.crosslab.jp.

Name Servers

mail.crosslab.jp is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

mail.crosslab.jp at least partially shares name servers with other domains, for instance inhigh.net, s-take.com, kaisinmaru.com, swingbybrothers.net and grand-vin-cellar.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

mail.crosslab.jp is handled by a single mail server, crosslab.jp.

mail.crosslab.jp shares the same mail server setup as other domains, for instance crosslab.jp.

crosslab.jp resolves to IP 49.212.180.213.