mail.dr-tomoko.com - robtex.com

mail.dr-tomoko.com

CNAMEdr-tomoko.com
DNSSEC⚠️ Not signed
A133.167.116.177🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRos3-388-27173.vs.sakura.ne.jp
NSns1.a131.srvdomestic1952.com ⭐ ⚠️ Not in parent delegation
A133.167.116.177🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRos3-388-27173.vs.sakura.ne.jp
NSns1.chequentra6524.com ⚠️ Not in zone NS records
A133.167.116.177🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRos3-388-27173.vs.sakura.ne.jp
NSns2.a131.srvdomestic1952.com ⚠️ Not in parent delegation
A133.167.116.177🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRos3-388-27173.vs.sakura.ne.jp
NSns2.chequentra6524.com ⚠️ Not in zone NS records
A133.167.116.177🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRos3-388-27173.vs.sakura.ne.jp
MXdr-tomoko.com ⭐
A133.167.116.177🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRos3-388-27173.vs.sakura.ne.jp
TXTv=spf1 +a +mx +ip4:133.167.116.177 ~all
SOAns1.a131.srvdomestic1952.compostmaster@dr-tomoko.com 2026-04-10 #35

dr-tomoko.com

DNSSEC⚠️ Not signed
A133.167.116.177🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
NSns1.a131.srvdomestic1952.com ⭐ ⚠️ Not in parent delegation
NSns1.chequentra6524.com ⚠️ Not in zone NS records
NSns2.a131.srvdomestic1952.com ⚠️ Not in parent delegation
NSns2.chequentra6524.com ⚠️ Not in zone NS records
MXdr-tomoko.com ⭐
TXTv=spf1 +a +mx +ip4:133.167.116.177 ~all
SOAns1.a131.srvdomestic1952.compostmaster@dr-tomoko.com 2026-04-10 #35

Previously MX for

dr-tomoko.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A110.50.245.16CNAMEdr-tomoko.com
○A110.50.245.162015-06-04 → 2016-04-09 · 4 obs
● 2015-06-04 04:24:12
● 2016-04-09 01:51:20
○ 2026-03-10 19:44:20
○ 2026-08-05 22:21:44
●CNAMEdr-tomoko.com2026-03-10 → 2026-08-05 · 2 obs
● 2026-03-10 19:44:20
● 2026-08-05 22:21:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
dr-tomoko.comns1.chequentra6524.com, ns2.chequentra6524.com2 records

✅ Authoritative Response

Server:133.167.116.177

NS records: ns1.chequentra6524.com, ns2.chequentra6524.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dr-tomoko.com (unsigned zone)

⏱️ Timing

Total: 438ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1dr-tomoko.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.chequentra6524.com, ns2.chequentra6524.com)

Analysis

IP Addresses

mail.dr-tomoko.com has exactly one IP address — 133.167.116.177.

os3-388-27173.vs.sakura.ne.jp, ns1.chequentra6524.com, ptchamber.org plus two other host names have IP numbers in common with mail.dr-tomoko.com.

Name Servers

Four name servers handle the delegation for mail.dr-tomoko.com: ns1.chequentra6524.com, ns2.chequentra6524.com, ns1.a131.srvdomestic1952.com and ns2.a131.srvdomestic1952.com.

mail.dr-tomoko.com has at least partial name server overlap with other domains, such as ns1.a131.srvdomestic1952.com, intermezzo-gogo.jp, gosiardest.com and two others.

It is common to find these name servers paired with the name servers ns1.centos-webpanel.com.

ns1.chequentra6524.com, ns2.chequentra6524.com, ns1.a131.srvdomestic1952.com and ns2.a131.srvdomestic1952.com all direct traffic to the IP address 133.167.116.177.

The following host names resolve to 133.167.116.177: ns1.chequentra6524.com, ns2.chequentra6524.com, ns1.a131.srvdomestic1952.com and ns2.a131.srvdomestic1952.com.

Mail Servers

mail.dr-tomoko.com uses one mail server — dr-tomoko.com.

mail.dr-tomoko.com uses the same mail servers as other domains, including dr-tomoko.com.

dr-tomoko.com resolves to 133.167.116.177 and no other IP number.