equal.ac - dns.ninja

equal.ac

DNSSEC⚠️ Not signed
A49.212.243.89🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3579.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
MXequal.ac ⭐
A49.212.243.89🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3579.sakura.ne.jp
TXTv=spf1 a:www3579.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2016-05-10 #18

ac

DNSSEC🔒 Signed (DS record present)
NSa0.nic.ac ⭐
NSa2.nic.ac
NSb0.nic.ac
NSc0.nic.ac
SOAa0.nic.achostmaster@donuts.email serial=1781118487

MX for

equal.ac

Same first word

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equal.no
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equal.pet

Similar names

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DNS History

13 records (5 active, 8 former)

200920112013201520172019202120232025NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns1.firstserver.ne.jpns2.firstserver.ne.jpns3.firstserver.ne.jpns4.firstserver.ne.jpMXequal.acmail.equal.acmx1.firstserver.ne.jpmx2.firstserver.ne.jpA49.212.243.89164.46.142.93
●NSmaster.dns.ne.jp2016-10-01 → 2026-06-10 · 3 obs
○ 2016-04-17 23:47:30
● 2016-10-01 16:33:58
● 2026-06-10 19:39:38
●NSns1.dns.ne.jp2016-10-01 → 2026-06-10 · 3 obs
○ 2016-04-17 23:47:30
● 2016-10-01 16:33:58
● 2026-06-10 19:39:38
○NSns1.firstserver.ne.jp2008-05-30 → 2016-04-17 · 4 obs
● 2008-05-30 23:37:18
● 2016-04-17 23:47:30
○ 2016-10-01 16:33:58
○ 2026-06-10 19:39:38
●NSns2.dns.ne.jp2016-10-01 → 2026-06-10 · 3 obs
○ 2016-04-17 23:47:30
● 2016-10-01 16:33:58
● 2026-06-10 19:39:38
○NSns2.firstserver.ne.jp2008-05-30 → 2016-04-17 · 4 obs
● 2008-05-30 23:37:18
● 2016-04-17 23:47:30
○ 2016-10-01 16:33:58
○ 2026-06-10 19:39:38
○NSns3.firstserver.ne.jp2008-05-30 → 2016-04-17 · 4 obs
● 2008-05-30 23:37:18
● 2016-04-17 23:47:30
○ 2016-10-01 16:33:58
○ 2026-06-10 19:39:38
○NSns4.firstserver.ne.jp2008-05-30 → 2016-04-17 · 4 obs
● 2008-05-30 23:37:18
● 2016-04-17 23:47:30
○ 2016-10-01 16:33:58
○ 2026-06-10 19:39:38
●MXequal.ac2016-10-01 → 2026-06-10 · 3 obs
○ 2016-04-17 23:47:30
● 2016-10-01 16:33:58
● 2026-06-10 19:39:38
○MXmail.equal.ac2008-05-30 → 2016-04-17 · 4 obs
● 2008-05-30 23:37:18
● 2016-04-17 23:47:30
○ 2016-10-01 16:33:58
○ 2026-06-10 19:39:38
○MXmx1.firstserver.ne.jp2008-05-30 → 2016-04-17 · 4 obs
● 2008-05-30 23:37:18
● 2016-04-17 23:47:30
○ 2016-10-01 16:33:58
○ 2026-06-10 19:39:38
○MXmx2.firstserver.ne.jp2008-05-30 → 2016-04-17 · 4 obs
● 2008-05-30 23:37:18
● 2016-04-17 23:47:30
○ 2016-10-01 16:33:58
○ 2026-06-10 19:39:38
○A164.46.142.932008-05-30 → 2016-04-17 · 4 obs
● 2008-05-30 23:37:18
● 2016-04-17 23:47:30
○ 2016-10-01 16:33:58
○ 2026-06-10 19:39:38
●A49.212.243.892016-10-01 → 2026-06-10 · 3 obs
○ 2016-04-17 23:47:30
● 2016-10-01 16:33:58
● 2026-06-10 19:39:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
acc0.nic.ac, a2.nic.ac, b0.nic.ac, a0.nic.ac8 records
equal.acns1.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 equal.ac (unsigned zone)

⏱️ Timing

Total: 982ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.243.89
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1equal.ac (pri: 10)
TXT1v=spf1 a:www3579.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (c0.nic.ac, c0.nic.ac, a2.nic.ac...)

Analysis

Mail Server Role

equal.ac serves as a mail server for equal.ac.

IP Addresses

equal.ac has exactly one IP address — 49.212.243.89.

olnail.com, bcs-gym.com, spica-design.jp plus two other host names have IP numbers in common with equal.ac.

Name Servers

equal.ac is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

The name servers of equal.ac overlap at least partially with those of other domains — among them sorabito-dev.sakura.ne.jp, shinkotoni-tenburyujin.jp, nyorobotics.com and two more.

master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.

Mail Servers

equal.ac uses exactly one mail server, which is equal.ac.

equal.ac resolves to 49.212.243.89 and no other IP number.