osamukun.com - robtex.com

osamukun.com

DNSSEC⚠️ Not signed
A2403:3a00:201:1e:49:212:207:41🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww3031.sakura.ne.jp
A49.212.207.41🇯🇵 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 ⭐
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
MXosamukun.com ⭐
A2403:3a00:201:1e:49:212:207:41🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww3031.sakura.ne.jp
A49.212.207.41🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3031.sakura.ne.jp
TXTv=spf1 a:www3031.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-05-20 #2

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=1785842942

MX for

osamukun.com

Same first word

osamukun.com

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXosamukun.comA2403:3a00:201:1e:49:212:207:4149.212.207.412001:e42:101:1:202:181:97:40202.181.97.40
●NSmaster.dns.ne.jp2015-06-01 → 2026-08-04 · 2 obs
● 2015-06-01 04:26:28
● 2026-08-04 11:58:02
●NSns1.dns.ne.jp2015-06-01 → 2026-08-04 · 2 obs
● 2015-06-01 04:26:28
● 2026-08-04 11:58:02
●NSns2.dns.ne.jp2015-06-01 → 2026-08-04 · 2 obs
● 2015-06-01 04:26:28
● 2026-08-04 11:58:02
●MXosamukun.com2015-06-01 → 2026-08-04 · 2 obs
● 2015-06-01 04:26:28
● 2026-08-04 11:58:02
○A2001:e42:101:1:202:181:97:402020-03-08 → 2020-03-08 · 4 obs
○ 2015-06-01 04:26:28
● 2020-03-08 22:03:50
○ 2026-05-16 18:06:30
○ 2026-08-04 11:58:02
○A202.181.97.402015-06-01 → 2020-03-08 · 4 obs
● 2015-06-01 04:26:28
● 2020-03-08 22:03:50
○ 2026-05-16 18:06:30
○ 2026-08-04 11:58:02
●A2403:3a00:201:1e:49:212:207:412026-05-16 → 2026-08-04 · 3 obs
○ 2020-03-08 22:03:50
● 2026-05-16 18:06:30
● 2026-08-04 11:58:02
●A49.212.207.412026-05-16 → 2026-08-04 · 3 obs
○ 2020-03-08 22:03:50
● 2026-05-16 18:06:30
● 2026-08-04 11:58:02

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 912ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.207.41
AAAA12403:3a00:201:1e:49:212:207:41
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1osamukun.com (pri: 10)
TXT1v=spf1 a:www3031.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

osamukun.com handles its own mail, functioning as its own mail server.

IP Addresses

osamukun.com has two IP addresses: 49.212.207.41 and 2403:3a00:201:1e:49:212:207:41

Two other host names, along with kenshin-c.co.jp, locus-inc.info and lonestar.sakura.ne.jp, also share IP numbers with osamukun.com.

Name Servers

The authoritative name servers for osamukun.com are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.

There is at least partial name server overlap between osamukun.com and other domains — neko-uma.jp, bee-net.co.jp, numaguchi.com and two more among them.

These name servers are routinely deployed together with the name servers dns.sakura.ad.jp.

The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.

Mail Servers

osamukun.com is served by just one mail server: osamukun.com.

osamukun.com carries two IP numbers: 49.212.207.41 and 2403:3a00:201:1e:49:212:207:41.