d-first.com - robtex.com

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
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

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=1778445126
WOT: SAFE (62/100)

MX for

d-first.com

Same first word

d-first.com

DNS History

16 records (5 active, 11 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpdkns3.hosting-sys.jpdkns4.hosting-sys.jpian.ns.cloudflare.comlily.ns.cloudflare.comns1.rocketnet.jpMXd-first.commail.d-first.comA133.167.8.58104.28.4.205104.28.5.205121.119.177.1442400:cb00:2048:1::681c:4cd2400:cb00:2048:1::681c:5cd
○NSdkns3.hosting-sys.jp2015-06-15 → 2016-06-20 · 4 obs
● 2015-06-15 23:24:14
● 2016-06-20 09:53:54
○ 2017-03-18 19:09:46
○ 2026-05-10 20:44:00
○NSdkns4.hosting-sys.jp2015-06-15 → 2016-06-20 · 4 obs
● 2015-06-15 23:24:14
● 2016-06-20 09:53:54
○ 2017-03-18 19:09:46
○ 2026-05-10 20:44:00
○NSian.ns.cloudflare.com2017-03-18 → 2017-03-18 · 4 obs
○ 2016-06-20 09:53:54
● 2017-03-18 19:09:46
○ 2019-12-28 00:56:34
○ 2026-05-10 20:44:00
○NSlily.ns.cloudflare.com2017-03-18 → 2017-03-18 · 4 obs
○ 2016-06-20 09:53:54
● 2017-03-18 19:09:46
○ 2019-12-28 00:56:34
○ 2026-05-10 20:44:00
●NSmaster.dns.ne.jp2026-04-08 → 2026-05-10 · 3 obs
○ 2019-12-28 00:56:34
● 2026-04-08 09:28:40
● 2026-05-10 20:44:00
●NSns1.dns.ne.jp2026-04-08 → 2026-05-10 · 3 obs
○ 2019-12-28 00:56:34
● 2026-04-08 09:28:40
● 2026-05-10 20:44:00
○NSns1.rocketnet.jp2015-06-15 → 2016-06-20 · 4 obs
● 2015-06-15 23:24:14
● 2016-06-20 09:53:54
○ 2017-03-18 19:09:46
○ 2026-05-10 20:44:00
●NSns2.dns.ne.jp2026-04-08 → 2026-05-10 · 3 obs
○ 2019-12-28 00:56:34
● 2026-04-08 09:28:40
● 2026-05-10 20:44:00
●MXd-first.com2026-04-08 → 2026-05-10 · 3 obs
○ 2017-03-18 19:09:46
● 2026-04-08 09:28:40
● 2026-05-10 20:44:00
○MXmail.d-first.com2015-06-15 → 2016-06-20 · 4 obs
● 2015-06-15 23:24:14
● 2016-06-20 09:53:54
○ 2017-03-18 19:09:46
○ 2026-05-10 20:44:00
○A104.28.4.2052017-03-18 → 2017-03-18 · 4 obs
○ 2016-06-20 09:53:54
● 2017-03-18 19:09:46
○ 2019-12-28 00:56:34
○ 2026-05-10 20:44:00
○A104.28.5.2052017-03-18 → 2017-03-18 · 4 obs
○ 2016-06-20 09:53:54
● 2017-03-18 19:09:46
○ 2019-12-28 00:56:34
○ 2026-05-10 20:44:00
○A121.119.177.1442015-06-15 → 2016-06-20 · 4 obs
● 2015-06-15 23:24:14
● 2016-06-20 09:53:54
○ 2017-03-18 19:09:46
○ 2026-05-10 20:44:00
●A133.167.8.582026-04-08 → 2026-05-10 · 3 obs
○ 2019-12-28 00:56:34
● 2026-04-08 09:28:40
● 2026-05-10 20:44:00
○A2400:cb00:2048:1::681c:4cd2017-03-18 → 2017-03-18 · 4 obs
○ 2016-06-20 09:53:54
● 2017-03-18 19:09:46
○ 2019-12-28 00:56:34
○ 2026-05-10 20:44:00
○A2400:cb00:2048:1::681c:5cd2017-03-18 → 2017-03-18 · 4 obs
○ 2016-06-20 09:53:54
● 2017-03-18 19:09:46
○ 2019-12-28 00:56:34
○ 2026-05-10 20:44:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.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: 1058ms | Queries: -

📄 Records

TypeCountSample Data
A1133.167.8.58
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1d-first.com (pri: 10)
TXT2v=spf1 a:www5148.sakura.ne.jp mx ~all, google-site-verification=SFoDqbGCJ3UpQ4z
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

For d-first.com, the mail server is d-first.com.

IP Addresses

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

other host names for instance corelogic.jp, harryserver.sakura.ne.jp, ashimiya.jp, fgumi.sakura.ne.jp and horinaga.net share IP numbers with d-first.com.

Name Servers

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

d-first.com at least partially shares name servers with other domains, for instance terasmart-inc.com, asahibashi.jp, 152.242.133.in-addr.arpa, powertrade.sakura.ne.jp and naraomiya-rc.jp.

These name servers are commonly used with the name servers dns.sakura.ad.jp.

Host names with one IP number:

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

One mail server handles d-first.com.

Host name d-first.com points to IP address 133.167.8.58.