mail.d-first.com - robtex.com

mail.d-first.com

CNAMEd-first.com
DNSSEC⚠️ Not signed
A133.167.8.58🇯🇵 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
PTRwww5148.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
MXd-first.com ⭐
A133.167.8.58🇯🇵 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
PTRwww5148.sakura.ne.jp
TXTv=spf1 a:www5148.sakura.ne.jp mx ~all
TXTgoogle-site-verification=SFoDqbGCJ3UpQ4zpq2kIrfoOlT9dpbJN_FC9ULgDuoQ
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-04-10 #1

d-first.com

DNSSEC⚠️ Not signed
A133.167.8.58🇯🇵 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
NSmaster.dns.ne.jp ⭐
NSns1.dns.ne.jp
NSns2.dns.ne.jp
MXd-first.com ⭐
TXTv=spf1 a:www5148.sakura.ne.jp mx ~all
TXTgoogle-site-verification=SFoDqbGCJ3UpQ4zpq2kIrfoOlT9dpbJN_FC9ULgDuoQ
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-04-10 #1
WOT: SAFE (60/100)
WOT: SAFE (62/100)

Previously MX for

d-first.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A121.119.177.144CNAMEd-first.com
○A121.119.177.1442015-06-06 → 2016-09-19 · 4 obs
● 2015-06-06 20:04:54
● 2016-09-19 20:40:32
○ 2026-05-11 06:14:14
○ 2026-05-11 06:14:16
●CNAMEd-first.com2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 06:14:14
● 2026-05-11 06:14:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
d-first.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 d-first.com (unsigned zone)

⏱️ Timing

Total: 404ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1d-first.com

Analysis

IP Addresses

mail.d-first.com resolves to a single IP address: 133.167.8.58.

Other host names including mizutani-inc.co.jp, tegone.jp, fgwu.jp, world-u.com and s333.sakura.ne.jp share IP numbers with mail.d-first.com.

Name Servers

mail.d-first.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

mail.d-first.com at least partially shares name servers with other domains, including sun-channel.com, kanpura.net, mekata.com, woodforum.jp and chimoto.net.

Hostnames with a single IP:

master.dns.ne.jp points to: 210.224.172.18.

ns1.dns.ne.jp points to: 61.211.236.1.

ns2.dns.ne.jp points to: 133.167.21.1.

Mail Servers

mail.d-first.com is handled by a single mail server, d-first.com.

mail.d-first.com uses the same mail server setup as other domains, such as d-first.com.

d-first.com points to a single IP: 133.167.8.58.