`isa41.net`

DNSSEC	⚠️ Not signed
A	49.212.75.148^{🇯🇵 SAKURA-A49.212.75.0/24 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka-shi, Osaka 530-0011, Japan}
		PTR	`148.75.212.49.static.www3020m.sakura.ne.jp`
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
TXT	`google-site-verification=rCxitSMIRO0ftFMH_IeyhcwZSWTB8TU6428RBZH-OxM`
TXT	`v=spf1 include:_spf.google.com a:www3020m.sakura.ne.jp mx ~all`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1779463986

`net`

	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=1781486280

Previously MX for

isa41.net

Same first word

isa41.net

Similar names

ais14.com

DNS History

20 records (6 active, 14 former)

●NS01.dnsv.jp2026-05-24 → 2026-06-15 · 3 obs

○ 2026-04-25 23:52:52
● 2026-05-24 22:08:06
● 2026-06-15 01:43:56

●NS02.dnsv.jp2026-05-24 → 2026-06-15 · 3 obs

○ 2026-04-25 23:52:52
● 2026-05-24 22:08:06
● 2026-06-15 01:43:56

●NS03.dnsv.jp2026-05-24 → 2026-06-15 · 3 obs

○ 2026-04-25 23:52:52
● 2026-05-24 22:08:06
● 2026-06-15 01:43:56

●NS04.dnsv.jp2026-05-24 → 2026-06-15 · 3 obs

○ 2026-04-25 23:52:52
● 2026-05-24 22:08:06
● 2026-06-15 01:43:56

○NSdns01.gmoserver.jp2015-07-12 → 2016-02-25 · 4 obs

● 2015-07-12 13:07:44
● 2016-02-25 03:26:44
○ 2016-11-20 00:39:48
○ 2026-06-15 01:43:56

○NSdns02.gmoserver.jp2015-07-12 → 2016-02-25 · 4 obs

● 2015-07-12 13:07:44
● 2016-02-25 03:26:44
○ 2016-11-20 00:39:48
○ 2026-06-15 01:43:56

○NSmaster.dns.ne.jp2026-02-15 → 2026-04-25 · 5 obs

○ 2017-07-08 20:36:12
● 2026-02-15 04:57:08
● 2026-04-25 23:52:52
○ 2026-05-24 22:08:06
○ 2026-06-15 01:43:56

○NSns1.dns.ne.jp2026-02-15 → 2026-04-25 · 5 obs

○ 2017-07-08 20:36:12
● 2026-02-15 04:57:08
● 2026-04-25 23:52:52
○ 2026-05-24 22:08:06
○ 2026-06-15 01:43:56

○NSns1.xserver.jp2016-11-20 → 2017-07-08 · 5 obs

○ 2016-02-25 03:26:44
● 2016-11-20 00:39:48
● 2017-07-08 20:36:12
○ 2026-02-15 04:57:08
○ 2026-06-15 01:43:56

○NSns2.dns.ne.jp2026-02-15 → 2026-04-25 · 5 obs

○ 2017-07-08 20:36:12
● 2026-02-15 04:57:08
● 2026-04-25 23:52:52
○ 2026-05-24 22:08:06
○ 2026-06-15 01:43:56

○NSns2.xserver.jp2016-11-20 → 2017-07-08 · 5 obs

○ 2016-02-25 03:26:44
● 2016-11-20 00:39:48
● 2017-07-08 20:36:12
○ 2026-02-15 04:57:08
○ 2026-06-15 01:43:56

○NSns3.xserver.jp2016-11-20 → 2017-07-08 · 5 obs

○ 2016-02-25 03:26:44
● 2016-11-20 00:39:48
● 2017-07-08 20:36:12
○ 2026-02-15 04:57:08
○ 2026-06-15 01:43:56

○NSns4.xserver.jp2016-11-20 → 2017-07-08 · 5 obs

○ 2016-02-25 03:26:44
● 2016-11-20 00:39:48
● 2017-07-08 20:36:12
○ 2026-02-15 04:57:08
○ 2026-06-15 01:43:56

○NSns5.xserver.jp2016-11-20 → 2017-07-08 · 5 obs

○ 2016-02-25 03:26:44
● 2016-11-20 00:39:48
● 2017-07-08 20:36:12
○ 2026-02-15 04:57:08
○ 2026-06-15 01:43:56

○MXisa41.net2016-11-20 → 2026-04-25 · 5 obs

○ 2016-02-25 03:26:44
● 2016-11-20 00:39:48
● 2026-04-25 23:52:52
○ 2026-05-24 22:08:06
○ 2026-06-15 01:43:56

○MXmx2.gmoserver.jp2015-07-12 → 2016-02-25 · 4 obs

● 2015-07-12 13:07:44
● 2016-02-25 03:26:44
○ 2016-11-20 00:39:48
○ 2026-06-15 01:43:56

●MXsmtp.google.com2026-05-24 → 2026-06-15 · 3 obs

○ 2026-04-25 23:52:52
● 2026-05-24 22:08:06
● 2026-06-15 01:43:56

○A183.90.253.252016-11-20 → 2017-07-08 · 5 obs

○ 2016-02-25 03:26:44
● 2016-11-20 00:39:48
● 2017-07-08 20:36:12
○ 2026-02-15 04:57:08
○ 2026-06-15 01:43:56

○A210.172.183.492015-07-12 → 2016-02-25 · 4 obs

● 2015-07-12 13:07:44
● 2016-02-25 03:26:44
○ 2016-11-20 00:39:48
○ 2026-06-15 01:43:56

●A49.212.75.1482026-02-15 → 2026-06-15 · 3 obs

○ 2017-07-08 20:36:12
● 2026-02-15 04:57:08
● 2026-06-15 01:43:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	h.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
isa41.net	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	-

✅ Authoritative Response

Server:157.7.34.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isa41.net (unsigned zone)

⏱️ Timing

Total: 1195ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.75.148`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=rCxitSMIRO0ftFM, v=spf1 include:_spf.google.com a:www3020`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

Analysis

IP Addresses

isa41.net points to a single IP number: 49.212.75.148.

Other host names, among them komei-osaka.jp and 148.75.212.49.static.www3020m.sakura.ne.jp, have IP numbers in common with isa41.net.

Name Servers

isa41.net has four authoritative name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

At least some of isa41.net's name servers are shared with other domains, for example 1240.jp, oss-books.com, yashika.co.jp and two more.

Host names with two IP numbers:

01.dnsv.jp maps to two IP addresses — 157.7.32.53 and 2400:8500:3300::53.

03.dnsv.jp maps to two IP addresses — 157.7.34.53 and 2400:8500:3000::53.

04.dnsv.jp maps to two IP addresses — 157.7.35.53 and 2400:8500:3fff::53.

Host names pointing to a single IP address:

02.dnsv.jp points to the IP address 157.7.33.53.

Mail Servers

isa41.net has one mail server: smtp.google.com.

isa41.net shares the same mail server setup as other domains, including bandaaction.com.br, playstake.shop, ima.com and two others.

isa41.net shares mail servers — at least in part — with other domains, including go391.com, marasgreen.com, mazalweddings.com and two others.

These mail servers are frequently seen alongside the mail servers alt1.aspmx.l.google.com.

smtp.google.com points to 9 IP numbers: 172.253.63.26, 172.253.63.27, 172.253.115.27 and 6 other.

isa41.net - robtex.com

isa41.net

net

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`isa41.net`

`net`