mailgo.jp - robtex.com

mailgo.jp

DNSSEC⚠️ Not signed
A133.125.49.153🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRik1-442-53399.vs.sakura.ne.jp
NSns1.value-domain.com
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns4.value-domain.com ⚠️ Not in zone NS records
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns5.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmail.mailgo.jp
A133.125.49.153🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRik1-442-53399.vs.sakura.ne.jp
TXTv=spf1 ip4:133.125.49.153 ~all
SOAns1.value-domain.comhostmaster@mailgo.jp 2026-01-17 #11

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1784086203

Previously MX for

Subdomains

Same first word

Similar names

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSns1.value-domain.comns2.value-domain.comns3.value-domain.comns4.value-domain.comns5.value-domain.comdns1.tiki.ne.jpdns2.tiki.ne.jpMXmail.mailgo.jpmailgo.jpA133.125.49.153218.223.255.158
NSdns1.tiki.ne.jp2015-04-30 → 2018-08-20 · 4 obs
● 2015-04-30 06:49:26
● 2018-08-20 03:46:46
○ 2026-07-11 23:41:16
○ 2026-07-15 03:36:26
NSdns2.tiki.ne.jp2015-04-30 → 2018-08-20 · 4 obs
● 2015-04-30 06:49:26
● 2018-08-20 03:46:46
○ 2026-07-11 23:41:16
○ 2026-07-15 03:36:26
NSns1.value-domain.com2026-07-11 → 2026-07-15 · 3 obs
○ 2018-08-20 03:46:46
● 2026-07-11 23:41:16
● 2026-07-15 03:36:26
NSns2.value-domain.com2026-07-11 → 2026-07-15 · 3 obs
○ 2018-08-20 03:46:46
● 2026-07-11 23:41:16
● 2026-07-15 03:36:26
NSns3.value-domain.com2026-07-11 → 2026-07-15 · 3 obs
○ 2018-08-20 03:46:46
● 2026-07-11 23:41:16
● 2026-07-15 03:36:26
NSns4.value-domain.com2026-07-11 → 2026-07-15 · 3 obs
○ 2018-08-20 03:46:46
● 2026-07-11 23:41:16
● 2026-07-15 03:36:26
NSns5.value-domain.com2026-07-11 → 2026-07-15 · 3 obs
○ 2018-08-20 03:46:46
● 2026-07-11 23:41:16
● 2026-07-15 03:36:26
MXmail.mailgo.jp2026-07-11 → 2026-07-15 · 3 obs
○ 2018-08-20 03:46:46
● 2026-07-11 23:41:16
● 2026-07-15 03:36:26
MXmailgo.jp2015-04-30 → 2018-08-20 · 4 obs
● 2015-04-30 06:49:26
● 2018-08-20 03:46:46
○ 2026-07-11 23:41:16
○ 2026-07-15 03:36:26
A133.125.49.1532026-07-11 → 2026-07-15 · 3 obs
○ 2018-08-20 03:46:46
● 2026-07-11 23:41:16
● 2026-07-15 03:36:26
A218.223.255.1582015-04-30 → 2018-08-20 · 4 obs
● 2015-04-30 06:49:26
● 2018-08-20 03:46:46
○ 2026-07-11 23:41:16
○ 2026-07-15 03:36:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpg.dns.jp, c.dns.jp, a.dns.jp, d.dns.jp...-
mailgo.jpns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com...-

✅ Authoritative Response

Server:172.64.53.3

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailgo.jp (unsigned zone)

⏱️ Timing

Total: 1143ms | Queries: -

📄 Records

TypeCountSample Data
A1133.125.49.153
NS2ns1.value-domain.com, ns2.value-domain.com
MX1mail.mailgo.jp (pri: 10)
TXT1v=spf1 ip4:133.125.49.153 ~all
SOA1ns1.value-domain.com hostmaster.mailgo.j

Analysis

Hierarchy

mail.mailgo.jp is a subdomain of mailgo.jp.

IP Addresses

mailgo.jp resolves to one IP address: 133.125.49.153.

There are other host names — mail.mailgo.jp among them — that share IP numbers with mailgo.jp.

Name Servers

mailgo.jp has five name servers, which are ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.

The name servers of mailgo.jp overlap at least partially with those of other domains — among them suita-tochijohocenter.com, oyakudachisunday.com, plustar.jp and two more.

It is common to find these name servers alongside the name servers ns4.value-domain.com, ns5.value-domain.com, ns12.value-domain.com and two others.

Hosts with just one IP address:

ns1.value-domain.com directs to 172.64.52.38.

ns2.value-domain.com directs to 172.64.53.3.

ns3.value-domain.com directs to 172.64.52.38.

ns4.value-domain.com directs to 172.64.53.3.

ns5.value-domain.com directs to 172.64.52.38.

The host names ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com each resolve to 172.64.52.38.

Host names pointing to 172.64.53.3 IP addresses: ns2.value-domain.com and ns4.value-domain.com.

Mail Servers

Mail for mailgo.jp is handled by a single mail server, mail.mailgo.jp.

mail.mailgo.jp has exactly one IP number: 133.125.49.153.