`j-rec.com`

DNSSEC	⚠️ Not signed
A	49.212.180.71^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www2661.sakura.ne.jp`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns01.yahoodomains.jp` ⚠️ Not in zone NS records
		A	210.171.38.45^{🇯🇵 YAHOO-JAPAN-3210.171.36.0/22 Yahoo Japan X-keiro: route-admin@mail.yahoo.co.jp}
NS	`ns02.yahoodomains.jp` ⚠️ Not in zone NS records
		A	210.171.38.46^{🇯🇵 YAHOO-JAPAN-3210.171.36.0/22 Yahoo Japan X-keiro: route-admin@mail.yahoo.co.jp}
NS	`ns1.dns.ne.jp` ⚠️ Not in zone NS records
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp` ⚠️ Not in zone NS records
		A	133.167.21.1^{🇯🇵 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}
			PTR	`ns2.dns.ne.jp`
TXT	`v=spf1 a:www2661.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2025-01-16 #15

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776084372

MX for

j-rec.com

Same first word

j-rec.com

j-rec.net

j-rec.co.jp

Similar names

jr-ec.com

DNS History

8 records (6 active, 2 former)

●NSmaster.dns.ne.jp2026-04-13 → 2026-04-13 · 3 obs

○ 2026-04-04 04:39:40
● 2026-04-13 13:06:32
● 2026-04-13 13:06:34

●NSns01.yahoodomains.jp2015-08-01 → 2026-04-13 · 2 obs

● 2015-08-01 03:26:10
● 2026-04-13 13:06:34

●NSns02.yahoodomains.jp2015-08-01 → 2026-04-13 · 2 obs

● 2015-08-01 03:26:10
● 2026-04-13 13:06:34

●NSns1.dns.ne.jp2026-04-04 → 2026-04-13 · 3 obs

○ 2015-08-01 03:26:10
● 2026-04-04 04:39:40
● 2026-04-13 13:06:34

●NSns2.dns.ne.jp2026-04-04 → 2026-04-13 · 3 obs

○ 2015-08-01 03:26:10
● 2026-04-04 04:39:40
● 2026-04-13 13:06:34

○MXj-rec.com2026-04-04 → 2026-04-04 · 4 obs

○ 2020-02-27 05:24:06
● 2026-04-04 04:39:40
○ 2026-04-13 13:06:32
○ 2026-04-13 13:06:34

○MXmailt.do-reg.jp2015-08-01 → 2020-02-27 · 4 obs

● 2015-08-01 03:26:10
● 2020-02-27 05:24:06
○ 2026-04-04 04:39:40
○ 2026-04-13 13:06:34

●A49.212.180.712026-04-13 → 2026-04-13 · 2 obs

● 2026-04-13 13:06:32
● 2026-04-13 13:06:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
j-rec.com	ns1.dns.ne.jp, ns2.dns.ne.jp, ns01.yahoodomains.jp, ns02.yahoodomains.jp	-

✅ Authoritative Response

Server:210.171.38.46

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp, ns01.yahoodomains.jp, ns02.yahoodomains.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for j-rec.com (unsigned zone)

⏱️ Timing

Total: 1832ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.180.71`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

j-rec.com serves as a mail server for j-rec.com.

IP Addresses

j-rec.com points to a single IP: 49.212.180.71.

Other host names, for instance miyabikoubou.sakura.ne.jp, emc-j.com, jollyboy.sakura.ne.jp, jpc.ac and kh119.jp share IP numbers with j-rec.com.

Name Servers

j-rec.com is delegated to five name servers: ns01.yahoodomains.jp, ns02.yahoodomains.jp, master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

j-rec.com at least partially shares its name servers with other domains, for instance narisawa-dental.com, 112.167.133.in-addr.arpa, skyup-benifuuki.com, aoiroshinkoku.info and yattoko.net.

Host names with one IP number:

ns01.yahoodomains.jp points to 210.171.38.45; ns02.yahoodomains.jp points to 210.171.38.46; 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.

j-rec.com - robtex.com

j-rec.com

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