backside.jp - dns.ninja

`backside.jp`

DNSSEC	⚠️ Not signed
A	157.7.44.181^{🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`users101.vip.heteml.jp`
NS	`ns-116.awsdns-14.com` ⭐
		A	2600:9000:5300:7400::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-116.awsdns-14.com`
		A	205.251.192.116^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-116.awsdns-14.com`
NS	`ns-1337.awsdns-39.org`
		A	2600:9000:5305:3900::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1337.awsdns-39.org`
		A	205.251.197.57^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1337.awsdns-39.org`
NS	`ns-1842.awsdns-38.co.uk`
		A	2600:9000:5307:3200::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1842.awsdns-38.co.uk`
		A	205.251.199.50^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1842.awsdns-38.co.uk`
NS	`ns-942.awsdns-53.net`
		A	2600:9000:5303:ae00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-942.awsdns-53.net`
		A	205.251.195.174^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-942.awsdns-53.net`
MX	`mx.hetemail.jp` ⭐
		A	157.7.189.1^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`mx.heteml.jp`
TXT	`google-site-verification=AFvv14kU-6MjnmjYROIr7kRoeUoR44Bk2rZBLHnWPu8`
TXT	`v=spf1 ip4:202.172.26.251 include:mxr.valueserver.jp include:_spf.heteml.jp ~all`
SOA	`ns-116.awsdns-14.com`awsdns-hostmaster@amazon.com serial=1

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1786719605

Previously MX for

backside.jp

Same first word

backside.net

backside.site

backside.de

backside.fr

backside.co

backside.es

backside.com.co

backside.cl

backside.us

backside.nl

backside.com

backside.it

backside.org

backside.ch

backside.jp

Similar names

dcabikes.com.br

diebacks.ch

sideback.com

sideback.ru

DNS History

13 records (6 active, 7 former)

●NSns-116.awsdns-14.com2026-03-22 → 2026-08-14 · 3 obs

○ 2017-07-16 09:59:16
● 2026-03-22 18:23:44
● 2026-08-14 15:19:20

●NSns-1337.awsdns-39.org2026-03-22 → 2026-08-14 · 3 obs

○ 2017-07-16 09:59:16
● 2026-03-22 18:23:44
● 2026-08-14 15:19:20

●NSns-1842.awsdns-38.co.uk2026-03-22 → 2026-08-14 · 3 obs

○ 2017-07-16 09:59:16
● 2026-03-22 18:23:44
● 2026-08-14 15:19:20

●NSns-942.awsdns-53.net2026-03-22 → 2026-08-14 · 3 obs

○ 2017-07-16 09:59:16
● 2026-03-22 18:23:44
● 2026-08-14 15:19:20

○NSns1.wpx.ne.jp2017-07-16 → 2017-07-16 · 3 obs

● 2017-07-16 09:59:16
○ 2026-03-22 18:23:44
○ 2026-08-14 15:19:20

○NSns2.wpx.ne.jp2017-07-16 → 2017-07-16 · 3 obs

● 2017-07-16 09:59:16
○ 2026-03-22 18:23:44
○ 2026-08-14 15:19:20

○NSns3.wpx.ne.jp2017-07-16 → 2017-07-16 · 3 obs

● 2017-07-16 09:59:16
○ 2026-03-22 18:23:44
○ 2026-08-14 15:19:20

○MXbackside.jp2017-07-16 → 2017-07-16 · 3 obs

● 2017-07-16 09:59:16
○ 2026-03-22 18:23:44
○ 2026-08-14 15:19:20

○MXm49.coreserver.jp2026-03-22 → 2026-03-22 · 4 obs

○ 2017-07-16 09:59:16
● 2026-03-22 18:23:44
○ 2026-08-14 10:29:54
○ 2026-08-14 15:19:20

●MXmx.hetemail.jp2026-08-14 → 2026-08-14 · 3 obs

○ 2026-03-22 18:23:44
● 2026-08-14 10:29:54
● 2026-08-14 15:19:20

○A157.112.145.102017-07-16 → 2017-07-16 · 3 obs

● 2017-07-16 09:59:16
○ 2026-03-22 18:23:44
○ 2026-08-14 15:19:20

●A157.7.44.1812026-08-14 → 2026-08-14 · 3 obs

○ 2026-03-22 18:23:44
● 2026-08-14 10:29:54
● 2026-08-14 15:19:20

○A176.32.89.2102026-03-22 → 2026-03-22 · 4 obs

○ 2017-07-16 09:59:16
● 2026-03-22 18:23:44
○ 2026-08-14 10:29:54
○ 2026-08-14 15:19:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
backside.jp	ns-116.awsdns-14.com, ns-942.awsdns-53.net, ns-1337.awsdns-39.org, ns-1842.awsdns-38.co.uk	-

✅ Authoritative Response

Server:205.251.199.50

NS records: ns-116.awsdns-14.com, ns-942.awsdns-53.net, ns-1337.awsdns-39.org, ns-1842.awsdns-38.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for backside.jp (unsigned zone)

⏱️ Timing

Total: 721ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.7.44.181`
NS	4	`ns-116.awsdns-14.com, ns-1337.awsdns-39.org...`
MX	1	`mx.hetemail.jp (pri: 10)`
TXT	2	`google-site-verification=AFvv14kU-6Mjnmj, v=spf1 ip4:202.172.26.251 include:mxr.va`
SOA	1	`ns-116.awsdns-14.com awsdns-hostmaster.a`

Analysis

IP Addresses

backside.jp directs to one IP number, which is 157.7.44.181.

Among the host names that share IP numbers with backside.jp are rexa.co.jp, smileenglishclub.co.jp, dream-infinity.com and two others.

Name Servers

The domain backside.jp is delegated to these four name servers: ns-116.awsdns-14.com, ns-942.awsdns-53.net, ns-1337.awsdns-39.org and ns-1842.awsdns-38.co.uk.

At least some of backside.jp's name servers are shared with other domains, for example moizali.dev, bell-giro-dealersupport.com, ishi-k.com and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-116.awsdns-14.com directs to 205.251.192.116 and 2600:9000:5300:7400::1; ns-942.awsdns-53.net directs to 205.251.195.174 and 2600:9000:5303:ae00::1; ns-1337.awsdns-39.org directs to 205.251.197.57 and 2600:9000:5305:3900::1; ns-1842.awsdns-38.co.uk directs to 205.251.199.50 and 2600:9000:5307:3200::1.

Mail Servers

backside.jp routes its mail through a single mail server, mx.hetemail.jp.

backside.jp has the same mail server arrangement as a number of other domains, for example imamurakanpo.jp, yhjcrews.com, mieaspa.or.jp and two more.

At least a portion of backside.jp's mail servers are shared with other domains, among them sfumart.com and mongoliajapan.com.

mx.hetemail.jp points to one IP number — 157.7.189.1.