nbtan.com - robtex.com
nbtan.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.235.97🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3387.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 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 | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | nbtan.com ⭐ | ||||||
| A | 49.212.235.97🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3387.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3387.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-09-15 #1 | ||||||
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=1783216141 | ||||||
MX for
nbtan.com |
Same first word
nbtan.com |
Similar names
btann.com |
atbnn.ru |
natbn.com |
tabnn.com |
ntbna.gov.tw |
nantb.com |
tannb.com |
bnnta.com |
tnnba.com |
bnnat.net |
bannt.com |
bnant.com |
DNS History
10 records (5 active, 5 former)
●NSmaster.dns.ne.jp2026-04-08 → 2026-07-05 · 3 obs
● 2026-04-08 08:04:26
● 2026-07-05 02:11:16
●NSns1.dns.ne.jp2026-04-08 → 2026-07-05 · 3 obs
● 2026-04-08 08:04:26
● 2026-07-05 02:11:16
●NSns2.dns.ne.jp2026-04-08 → 2026-07-05 · 3 obs
● 2026-04-08 08:04:26
● 2026-07-05 02:11:16
○NSuns01.lolipop.jp2015-08-02 → 2017-05-16 · 4 obs
● 2017-05-16 21:41:20
○ 2026-04-08 08:04:26
○ 2026-07-05 02:11:16
○NSuns02.lolipop.jp2015-08-02 → 2017-05-16 · 4 obs
● 2017-05-16 21:41:20
○ 2026-04-08 08:04:26
○ 2026-07-05 02:11:16
○MXmx01.lolipop.jp2015-08-02 → 2017-05-16 · 4 obs
● 2017-05-16 21:41:20
○ 2026-04-08 08:04:26
○ 2026-07-05 02:11:16
●MXnbtan.com2026-04-08 → 2026-07-05 · 3 obs
● 2026-04-08 08:04:26
● 2026-07-05 02:11:16
○A157.7.107.1602017-02-20 → 2017-05-16 · 5 obs
● 2017-02-20 01:25:20
● 2017-05-16 21:41:20
○ 2026-04-08 08:04:26
○ 2026-07-05 02:11:16
○A210.172.144.1782015-08-02 → 2016-07-10 · 4 obs
● 2016-07-10 10:14:44
○ 2017-02-20 01:25:20
○ 2026-07-05 02:11:16
●A49.212.235.972026-04-08 → 2026-07-05 · 3 obs
● 2026-04-08 08:04:26
● 2026-07-05 02:11:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net... | - |
| nbtan.com | ns1.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 nbtan.com (unsigned zone)
⏱️ Timing
Total: 877ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.235.97 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | nbtan.com (pri: 10) |
| TXT | 1 | v=spf1 a:www3387.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
nbtan.com handles its own mail, functioning as its own mail server.
IP Addresses
nbtan.com resolves to just one IP address, 49.212.235.97.
Two other host names, along with msv-ehc00032.sakura.ne.jp, appui-mail2.sakura.ne.jp and msv-im11443.sakura.ne.jp, also share IP numbers with nbtan.com.
Name Servers
nbtan.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
nbtan.com has at least partial name server overlap with other domains, such as mifuku0329.sakura.ne.jp, kajiyan.net, civil-bridge.sakura.ne.jp and two others.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP address: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
nbtan.com is served by just one mail server: nbtan.com.
nbtan.com resolves to a single IP number: 49.212.235.97.