`mail.offm.net`

CNAME	`offm.net`
DNSSEC	⚠️ Not signed
A	202.181.97.75^{🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www265.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	`ns1.dns.ne.jp`
		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`
		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`
MX	`offm.net` ⭐
		A	202.181.97.75^{🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www265.sakura.ne.jp`
TXT	`v=spf1 a:www265.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2024-05-27 #1

`offm.net`

	DNSSEC	⚠️ Not signed
	A	202.181.97.75^{🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
	NS	`master.dns.ne.jp` ⭐
	NS	`ns1.dns.ne.jp`
	NS	`ns2.dns.ne.jp`
	MX	`offm.net` ⭐
	TXT	`v=spf1 a:www265.sakura.ne.jp mx ~all`
	SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2024-05-27 #1

WOT: SAFE (61/100)
WOT: SAFE (64/100)

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DNS History

1 record (1 active, 0 former)

●CNAMEoffm.net2026-04-03 → 2026-08-15 · 2 obs

● 2026-04-03 12:09:22
● 2026-08-15 04:41:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
offm.net	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ 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 offm.net (unsigned zone)

⏱️ Timing

Total: 936ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`offm.net`

Analysis

IP Addresses

mail.offm.net resolves to one IP address: 202.181.97.75.

dex.flop.jp, kanna-mountain-run.com, yamatec.net and two other host names share IP numbers with mail.offm.net.

Name Servers

The authoritative name servers for mail.offm.net are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.

mail.offm.net shares at least some of its name servers with other domains, including marbacka.net, niwakasoft.jp, sujp.org and two others.

The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.

Mail Servers

Mail for mail.offm.net is handled by a single mail server, offm.net.

The mail server configuration of mail.offm.net is identical to that of other domains — offm.net being one example.

offm.net directs to just one IP number, 202.181.97.75.

mail.offm.net - dns.ninja

mail.offm.net

offm.net