`mail.hdf.jp`

DNSSEC	⚠️ Not signed
A	202.181.97.45^{🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www235.sakura.ne.jp`

`hdf.jp`

	DNSSEC	⚠️ Not signed
	A	35.73.181.23^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
	NS	`master.dns.ne.jp` ⭐
	NS	`ns1.dns.ne.jp`
	NS	`ns2.dns.ne.jp`
	MX	`mail.hdf.jp` ⭐
	TXT	`v=spf1 a:www235.sakura.ne.jp mx ~all`
	SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2025-11-18 #2

MX for

hdf.jp

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DNS History

1 record (1 active, 0 former)

●A202.181.97.452026-07-25 → 2026-08-02 · 2 obs

● 2026-07-25 14:01:04
● 2026-08-02 10:02:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	c.dns.jp, h.dns.jp, g.dns.jp, e.dns.jp...	-
hdf.jp	ns1.dns.ne.jp, ns2.dns.ne.jp	2 records

✅ Authoritative Response

Server:133.167.21.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hdf.jp (unsigned zone)

⏱️ Timing

Total: 1510ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.181.97.45`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

Mail Server Role

mail.hdf.jp serves as a mail server for hdf.jp.

IP Addresses

mail.hdf.jp points to a single IP number: 202.181.97.45.

Additional host names — 186.bz, autodepdf.com, kids-vision.sakura.ne.jp and two others — share IP numbers with mail.hdf.jp.

mail.hdf.jp - robtex.com

mail.hdf.jp

hdf.jp