`e-frontier.systems`

DNSSEC	⚠️ Not signed
A	153.120.95.82^{🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
NS	`ns1.gslb8.sakura.ne.jp` ⭐
		A	153.120.86.68^{🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`ns1.gslb8.sakura.ne.jp`
NS	`ns2.gslb8.sakura.ne.jp`
		A	163.43.127.212^{🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
			PTR	`ns2.gslb8.sakura.ne.jp`
MX	`mail.e-frontier.systems` ⭐
		A	2401:2500:204:1146:133:125:44:207^{🇯🇵 SAKURA-A2401:2500::/32 (ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`133.125.44.207.v6.sakura.ne.jp`
		A	133.125.44.207^{🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ik1-440-52203.vs.sakura.ne.jp`
TXT	`v=spf1 redirect=_spf.e-frontier.email`
TXT	`MS=ms34120824`
TXT	`openai-domain-verification=dv-V4MaMloCyMmhzbQEaXAjPErQ`
TXT	`atlassian-domain-verification=lhbWvVdVUeCooPLx8ETh53iegARsKZ23Vlq31JTWLT2rjvR...`
TXT	`google-site-verification=wrcEh2Z8pwPXsjq_uyvX2EmEm6UyL-20YiAjQQmOvCw`
SOA	`ns1.gslb8.sakura.ne.jp`noc@sakura.ad.jp serial=1

`systems`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.systems` ⭐
	NS	`v0n1.nic.systems`
	NS	`v0n2.nic.systems`
	NS	`v0n3.nic.systems`
	NS	`v2n0.nic.systems`
	NS	`v2n1.nic.systems`
	SOA	`v0n0.nic.systems`hostmaster@donuts.email serial=1774701965

🔒 HSTS Preload (+subdomains)

Subdomains

mail.e-frontier.systems

Same first word

e-frontier.com.cn

e-frontier.co.jp

e-frontier.com

e-frontier.systems

Similar names

tier-foren.eu

tier-foren.de

frontier-e.co.jp

otr-reifen.de

frontier-e.jp

DNS History

4 records (4 active, 0 former)

●NSns1.gslb8.sakura.ne.jp2026-03-04 → 2026-03-28 · 2 obs

● 2026-03-04 08:24:16
● 2026-03-28 13:00:38

●NSns2.gslb8.sakura.ne.jp2026-03-04 → 2026-03-28 · 2 obs

● 2026-03-04 08:24:16
● 2026-03-28 13:00:38

●MXmail.e-frontier.systems2026-03-04 → 2026-03-28 · 2 obs

● 2026-03-04 08:24:16
● 2026-03-28 13:00:38

●A153.120.95.822026-03-04 → 2026-03-28 · 2 obs

● 2026-03-04 08:24:16
● 2026-03-28 13:00:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
systems	v0n0.nic.systems, v0n1.nic.systems, v0n2.nic.systems, v0n3.nic.systems...	12 records
e-frontier.systems	ns2.gslb8.sakura.ne.jp, ns1.gslb8.sakura.ne.jp	-

✅ Authoritative Response

Server:163.43.127.212

NS records: ns2.gslb8.sakura.ne.jp, ns1.gslb8.sakura.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for e-frontier.systems (unsigned zone)

⏱️ Timing

Total: 1341ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.120.95.82`
NS	2	`ns2.gslb8.sakura.ne.jp, ns1.gslb8.sakura.ne.jp`
MX	1	`mail.e-frontier.systems (pri: 10)`
TXT	5	`v=spf1 redirect=_spf.e-frontier.email, MS=ms34120824...`
SOA	1	`ns1.gslb8.sakura.ne.jp noc.sakura.ad.jp`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.systems, v0n1.nic.systems, v0n2.nic.systems...)

Analysis

Hierarchy

e-frontier.systems is the parent of mail.e-frontier.systems.

IP Addresses

e-frontier.systems resolves to a single IP address: 153.120.95.82.

Name Servers

e-frontier.systems's delegation uses two name servers, ns1.gslb8.sakura.ne.jp and ns2.gslb8.sakura.ne.jp.

e-frontier.systems shares the same name server setup as other domains, for example expertsoftware-i.com, firstaccess.co.jp, sanei-sho.com, inui-zouen.jp and coffee-pro.jp.

e-frontier.systems at least partially shares name servers with other domains, including geimori-st.jp, 16g.jp, peoples-house.co.jp, chouo.org and e-surugadai.com.

Host names with a single IP:

ns1.gslb8.sakura.ne.jp points to 153.120.86.68.

ns2.gslb8.sakura.ne.jp points to 163.43.127.212.

Mail Servers

e-frontier.systems is handled by a single mail server, mail.e-frontier.systems.

mail.e-frontier.systems points to two IPs: 2401:2500:204:1146:133:125:44:207 and 133.125.44.207.

e-frontier.systems - robtex.com