astscience.com.tw - dns.ninja

`astscience.com.tw`

DNSSEC	⚠️ Not signed
A	203.99.146.68^{🇹🇼 FLOPPY-AS-TW203.99.146.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.}
		PTR	`bq-e808.floppy.tw`
NS	`dina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dina.ns.cloudflare.com`
		A	108.162.192.107^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	172.64.32.107^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	173.245.58.107^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
NS	`fred.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c171^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fred.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2171^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fred.ns.cloudflare.com`
		A	108.162.193.113^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	172.64.33.113^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	173.245.59.113^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
MX	`mail.astscience.com.tw` ⭐
		A	203.99.146.68^{🇹🇼 FLOPPY-AS-TW203.99.146.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.}
			PTR	`bq-e808.floppy.tw`
TXT	`MS=ms40621940`
TXT	`v=spf1 include:_spf.google.com include:pointdnshere.com ~all`
SOA	`dina.ns.cloudflare.com`dns@cloudflare.com serial=2406745070

`com.tw`

	DNSSEC	⚠️ Not signed
	NS	`a.twnic.net.tw` ⭐ ⚠️ Not in parent delegation
	NS	`anytld.apnic.net` ⚠️ Not in parent delegation
	NS	`b.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`c.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`d.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`e.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`f.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`g.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`h.dns.tw` ⚠️ Not in parent delegation
	NS	`h.twnic.net.tw` ⚠️ Not in parent delegation
	SOA	`a.twnic.net.tw`snw@twnic.net.tw serial=2006375313

WOT: SAFE (58/100)

Subdomains

mail.astscience.com.tw

Same first word

astscience.com.tw

astscience.com

Similar names

DNS History

13 records (4 active, 9 former)

○NSadmns1.hinet.net2015-05-27 → 2020-01-14 · 4 obs

● 2015-05-27 01:49:10
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-06-23 22:37:04

○NSadmns2.hinet.net2015-05-27 → 2020-01-14 · 4 obs

● 2015-05-27 01:49:10
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-06-23 22:37:04

●NSdina.ns.cloudflare.com2026-02-25 → 2026-06-23 · 3 obs

○ 2020-01-14 01:38:42
● 2026-02-25 07:02:22
● 2026-06-23 22:37:04

●NSfred.ns.cloudflare.com2026-02-25 → 2026-06-23 · 3 obs

○ 2020-01-14 01:38:42
● 2026-02-25 07:02:22
● 2026-06-23 22:37:04

○MXalt1.aspmx.l.google.com2015-05-27 → 2020-01-14 · 4 obs

● 2015-05-27 01:49:10
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-06-23 22:37:04

○MXalt2.aspmx.l.google.com2015-05-27 → 2020-01-14 · 4 obs

● 2015-05-27 01:49:10
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-06-23 22:37:04

○MXaspmx.l.google.com2015-05-27 → 2020-01-14 · 4 obs

● 2015-05-27 01:49:10
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-06-23 22:37:04

○MXaspmx2.googlemail.com2015-05-27 → 2020-01-14 · 4 obs

● 2015-05-27 01:49:10
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-06-23 22:37:04

○MXaspmx3.googlemail.com2015-05-27 → 2020-01-14 · 4 obs

● 2015-05-27 01:49:10
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-06-23 22:37:04

○MXaspmx4.googlemail.com2015-05-27 → 2020-01-14 · 4 obs

● 2015-05-27 01:49:10
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-06-23 22:37:04

○MXaspmx5.googlemail.com2015-05-27 → 2020-01-14 · 4 obs

● 2015-05-27 01:49:10
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-06-23 22:37:04

●MXmail.astscience.com.tw2026-02-25 → 2026-06-23 · 3 obs

○ 2020-01-14 01:38:42
● 2026-02-25 07:02:22
● 2026-06-23 22:37:04

●A203.99.146.682026-02-25 → 2026-06-23 · 2 obs

● 2026-02-25 07:02:22
● 2026-06-23 22:37:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...	-
astscience.com.tw	dina.ns.cloudflare.com, fred.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.107

NS records: dina.ns.cloudflare.com, fred.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 787ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.99.146.68`
NS	2	`dina.ns.cloudflare.com, fred.ns.cloudflare.com`
MX	1	`mail.astscience.com.tw (pri: 10)`
TXT	2	`MS=ms40621940, v=spf1 include:_spf.google.com include:p`
SOA	1	`dina.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

astscience.com.tw is the parent zone for mail.astscience.com.tw.

IP Addresses

astscience.com.tw resolves to just one IP address, 203.99.146.68.

Two other host names, along with sofaclean.com.tw, ns13.kebidns.com and mail.theweb.com.tw, also share IP numbers with astscience.com.tw.

Name Servers

astscience.com.tw uses two name servers for its delegation: dina.ns.cloudflare.com and fred.ns.cloudflare.com.

astscience.com.tw shares its NS records with other domains, for example kingsmart.com.hk, uv-ray.com, infokerkyra.gr and two others.

astscience.com.tw partially shares its NS delegation with several other domains, including iyx.com, laalcobadelagua.com, umanle.net and two others.

These name servers regularly co-occur with the name servers fatima.ns.cloudflare.com, dom.ns.cloudflare.com and alaric.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname dina.ns.cloudflare.com directs to 108.162.192.107, 172.64.32.107 and 173.245.58.107 along with 3 other IP addresses.

Hostname fred.ns.cloudflare.com directs to 108.162.193.113, 172.64.33.113 and 173.245.59.113 along with 3 other IP addresses.

Mail Servers

The sole mail server for astscience.com.tw is mail.astscience.com.tw.

mail.astscience.com.tw directs to just one IP number, 203.99.146.68.