`chemsphere.com.tw`

DNSSEC	⚠️ Not signed
A	60.248.89.63^{🇹🇼 HiNet60.248.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
		PTR	`chemsphere.com.tw`
NS	`router.chemsphere.com.tw` ⭐ ⚠️ Not in parent delegation
		A	60.248.89.63^{🇹🇼 HiNet60.248.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`chemsphere.com.tw`
NS	`dns1.chemsphere.com.tw` ⚠️ Not in zone NS records
		A	60.248.89.63^{🇹🇼 HiNet60.248.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`chemsphere.com.tw`
NS	`dns2.chemsphere.com.tw` ⚠️ Not in zone NS records
		A	60.248.89.63^{🇹🇼 HiNet60.248.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`chemsphere.com.tw`
MX	`mail.chemsphere.com.tw` ⭐
		A	60.248.89.63^{🇹🇼 HiNet60.248.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`chemsphere.com.tw`
MX	`chemsphere.com.tw`⁽³⁾
		A	60.248.89.63^{🇹🇼 HiNet60.248.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`chemsphere.com.tw`
TXT	`v=spf1 ip4:60.248.89.63/32 mx:mail.chemsphere.com.tw ~all`
SOA	`router.chemsphere.com.tw`root@chemsphere.com.tw 2001-01-01 #1

`com.tw`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.twnic.net.tw` ⭐
	NS	`anytld.apnic.net`
	NS	`b.twnic.net.tw`
	NS	`c.twnic.net.tw`
	NS	`d.twnic.net.tw`
	NS	`e.twnic.net.tw`
	NS	`f.twnic.net.tw`
	NS	`g.twnic.net.tw`
	NS	`h.dns.tw`
	NS	`h.twnic.net.tw`
	SOA	`a.twnic.net.tw`snw@twnic.net.tw serial=2006337195

WOT: SAFE (58/100)

PTR for

63.89.248.60.in-addr.arpa

MX for

chemsphere.com.tw

Subdomains

router.chemsphere.com.tw

mail.chemsphere.com.tw

Same first word

chemsphere.com.tw

Similar names

spheremech.com

DNS History

8 records (6 active, 2 former)

○NSchemsphere.com.tw2017-10-05 → 2017-10-05 · 4 obs

● 2017-10-05 03:02:48
● 2017-10-05 03:02:58
○ 2026-03-25 11:56:48
○ 2026-03-25 11:56:50

●NSdns1.chemsphere.com.tw2017-10-05 → 2026-03-25 · 2 obs

● 2017-10-05 03:02:48
● 2026-03-25 11:56:50

●NSdns2.chemsphere.com.tw2017-10-05 → 2026-03-25 · 2 obs

● 2017-10-05 03:02:48
● 2026-03-25 11:56:50

●NSrouter.chemsphere.com.tw2026-03-25 → 2026-03-25 · 3 obs

○ 2017-10-05 03:02:58
● 2026-03-25 11:56:48
● 2026-03-25 11:56:50

●MXchemsphere.com.tw2017-10-05 → 2026-03-25 · 2 obs

● 2017-10-05 03:02:48
● 2026-03-25 11:56:50

●MXmail.chemsphere.com.tw2017-10-05 → 2026-03-25 · 2 obs

● 2017-10-05 03:02:48
● 2026-03-25 11:56:50

○A125.227.163.202017-10-05 → 2017-10-05 · 4 obs

● 2017-10-05 03:02:48
● 2017-10-05 03:02:58
○ 2026-03-25 11:56:48
○ 2026-03-25 11:56:50

●A60.248.89.632026-03-25 → 2026-03-25 · 3 obs

○ 2017-10-05 03:02:58
● 2026-03-25 11:56:48
● 2026-03-25 11:56:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	d.dns.tw, f.dns.tw, g.dns.tw, b.dns.tw...	-
chemsphere.com.tw	dns2.chemsphere.com.tw, dns1.chemsphere.com.tw	2 records

✅ Authoritative Response

Server:60.248.89.63

NS records: dns2.chemsphere.com.tw, dns1.chemsphere.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1717ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`60.248.89.63`
NS	1	`router.chemsphere.com.tw`
MX	2	`mail.chemsphere.com.tw (pri: 2), chemsphere.com.tw (pri: 3)`
TXT	1	`v=spf1 ip4:60.248.89.63/32 mx:mail.chems`
SOA	1	`router.chemsphere.com.tw root.chemsphere`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (dns2.chemsphere.com.tw, dns1.chemsphere.com.tw)

Analysis

Hierarchy

chemsphere.com.tw is parent of router.chemsphere.com.tw and mail.chemsphere.com.tw.

Mail Server Role

For chemsphere.com.tw, the mail server is chemsphere.com.tw.

mail.chemsphere.com.tw is a common mail server alongside chemsphere.com.tw.

IP Addresses

chemsphere.com.tw points to a single IP number: 60.248.89.63.

Other host names like mail.chemsphere.com.tw and router.chemsphere.com.tw share IP numbers with chemsphere.com.tw.

Name Servers

chemsphere.com.tw is delegated to three name servers: dns1.chemsphere.com.tw, dns2.chemsphere.com.tw and router.chemsphere.com.tw.

Host names with a single IP number:

dns1.chemsphere.com.tw points to 60.248.89.63.

dns2.chemsphere.com.tw points to 60.248.89.63.

router.chemsphere.com.tw points to 60.248.89.63.

Host names pointing to 60.248.89.63: dns1.chemsphere.com.tw, dns2.chemsphere.com.tw and router.chemsphere.com.tw.

Mail Servers

Two mail servers handle chemsphere.com.tw: chemsphere.com.tw and mail.chemsphere.com.tw.

Host names with a single IP number:

chemsphere.com.tw points to 60.248.89.63 and mail.chemsphere.com.tw points to 60.248.89.63.

Host names that point to 60.248.89.63: chemsphere.com.tw and mail.chemsphere.com.tw.

chemsphere.com.tw - robtex.com