sei-plus.com - dns.ninja

sei-plus.com

DNSSEC⚠️ Not signed
A219.94.163.208🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1568.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
MXsei-plus.com ⭐
A219.94.163.208🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1568.sakura.ne.jp
TXTv=spf1 a:www1568.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-09-24 #3

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=1786668039

MX for

sei-plus.com

Same first word

sei-plus.com

Similar names

i-pulses.be

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns1.tsukaeru.netns2.tsukaeru.netuns01.lolipop.jpuns02.lolipop.jpMXsei-plus.commail.sei-plus.commx01.lolipop.jpA219.94.163.208121.50.47.193157.7.107.183
●NSmaster.dns.ne.jp2026-03-21 → 2026-08-14 · 3 obs
○ 2020-03-06 15:05:52
● 2026-03-21 15:55:14
● 2026-08-14 01:03:34
●NSns1.dns.ne.jp2026-03-21 → 2026-08-14 · 3 obs
○ 2020-03-06 15:05:52
● 2026-03-21 15:55:14
● 2026-08-14 01:03:34
○NSns1.tsukaeru.net2015-07-21 → 2017-04-01 · 4 obs
● 2015-07-21 14:50:42
● 2017-04-01 09:34:32
○ 2020-03-06 15:05:52
○ 2026-08-14 01:03:34
●NSns2.dns.ne.jp2026-03-21 → 2026-08-14 · 3 obs
○ 2020-03-06 15:05:52
● 2026-03-21 15:55:14
● 2026-08-14 01:03:34
○NSns2.tsukaeru.net2015-07-21 → 2017-04-01 · 4 obs
● 2015-07-21 14:50:42
● 2017-04-01 09:34:32
○ 2020-03-06 15:05:52
○ 2026-08-14 01:03:34
○NSuns01.lolipop.jp2020-03-06 → 2020-03-06 · 4 obs
○ 2017-04-01 09:34:32
● 2020-03-06 15:05:52
○ 2026-03-21 15:55:14
○ 2026-08-14 01:03:34
○NSuns02.lolipop.jp2020-03-06 → 2020-03-06 · 4 obs
○ 2017-04-01 09:34:32
● 2020-03-06 15:05:52
○ 2026-03-21 15:55:14
○ 2026-08-14 01:03:34
○MXmail.sei-plus.com2015-07-21 → 2017-04-01 · 4 obs
● 2015-07-21 14:50:42
● 2017-04-01 09:34:32
○ 2020-03-06 15:05:52
○ 2026-08-14 01:03:34
○MXmx01.lolipop.jp2020-03-06 → 2020-03-06 · 4 obs
○ 2017-04-01 09:34:32
● 2020-03-06 15:05:52
○ 2026-03-21 15:55:14
○ 2026-08-14 01:03:34
●MXsei-plus.com2026-03-21 → 2026-08-14 · 3 obs
○ 2020-03-06 15:05:52
● 2026-03-21 15:55:14
● 2026-08-14 01:03:34
○A121.50.47.1932015-07-21 → 2017-04-01 · 4 obs
● 2015-07-21 14:50:42
● 2017-04-01 09:34:32
○ 2020-03-06 15:05:52
○ 2026-08-14 01:03:34
○A157.7.107.1832020-03-06 → 2020-03-06 · 4 obs
○ 2017-04-01 09:34:32
● 2020-03-06 15:05:52
○ 2026-03-21 15:55:14
○ 2026-08-14 01:03:34
●A219.94.163.2082026-03-21 → 2026-08-14 · 3 obs
○ 2020-03-06 15:05:52
● 2026-03-21 15:55:14
● 2026-08-14 01:03:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net...-
sei-plus.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 sei-plus.com (unsigned zone)

⏱️ Timing

Total: 934ms | Queries: -

📄 Records

TypeCountSample Data
A1219.94.163.208
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1sei-plus.com (pri: 10)
TXT1v=spf1 a:www1568.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

sei-plus.com serves as a mail server for sei-plus.com.

IP Addresses

sei-plus.com has exactly one IP address — 219.94.163.208.

www1568.sakura.ne.jp, jfra.jp, oakv.co.jp plus two other host names have IP numbers in common with sei-plus.com.

Name Servers

sei-plus.com has three name servers — master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

sei-plus.com has at least partial name server overlap with other domains, such as hawaii65.jp, k-oasis.or.jp, w-shinsei.co.jp and two others.

Each of the three hostnames points to exactly one IP address: master.dns.ne.jp points to 210.224.172.18, ns1.dns.ne.jp points to 61.211.236.1 and ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

sei-plus.com uses exactly one mail server, which is sei-plus.com.

sei-plus.com points to one IP number — 219.94.163.208.