`mail.cosmon.com.tw`

DNSSEC	⚠️ Not signed
A	103.144.33.79^{🇹🇼 NSS-GROUP-AS-TW103.144.33.0/24 NSS INT'L CO., LTD.}
		PTR	`sp8.coowo.com`

`cosmon.com.tw`

	DNSSEC	⚠️ Not signed
	A	103.144.33.79^{🇹🇼 NSS-GROUP-AS-TW103.144.33.0/24 NSS INT'L CO., LTD.}
	NS	`m.coowo.com` ⭐
	NS	`n.coowo.com`
	MX	`mail.cosmon.com.tw` ⭐
	TXT	`v=spf1 a mx include:_spf.nss.com.tw ~all`
	SOA	`m.coowo.com`andywu_tw5168@yahoo.com.tw 2024-12-17 #5

MX for

cosmon.com.tw

Same first word

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mail.read-books.org

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DNS History

3 records (1 active, 2 former)

○A1.34.90.82016-11-16 → 2016-11-16 · 4 obs

○ 2016-09-16 05:51:04
● 2016-11-16 03:29:04
○ 2026-02-16 04:15:52
○ 2026-05-11 10:13:38

●A103.144.33.792026-02-16 → 2026-05-11 · 6 obs

○ 2016-11-16 03:29:04
● 2026-02-16 04:15:52
● 2026-03-13 11:16:44
○ 2026-03-17 17:19:06
● 2026-03-31 23:02:08
● 2026-05-11 10:13:38

○A220.134.116.342016-02-15 → 2016-09-16 · 4 obs

● 2016-02-15 13:57:00
● 2016-09-16 05:51:04
○ 2016-11-16 03:29:04
○ 2026-05-11 10:13:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...	-
com.tw	d.twnic.net.tw, h.dns.tw, f.twnic.net.tw, a.twnic.net.tw...	17 records
cosmon.com.tw	m.coowo.com, n.coowo.com	-

✅ Authoritative Response

Server:103.118.24.133

NS records: m.coowo.com, n.coowo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cosmon.com.tw (unsigned zone)

⏱️ Timing

Total: 4402ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.144.33.79`

📌 Glue Records Collected

Total: 17

Out-of-bailiwick: 17 (h.twnic.net.tw, g.twnic.net.tw, f.twnic.net.tw...)

Analysis

Mail Server Role

mail.cosmon.com.tw is the mail server for cosmon.com.tw.

IP Addresses

mail.cosmon.com.tw points to a single IP number: 103.144.33.79.

other host names for instance science4everyone.net, sunmotel.com.tw, santerlon.com, mail.srre.com.tw and mail.jadever.com.tw share IP numbers with mail.cosmon.com.tw.

mail.cosmon.com.tw - robtex.com