astscience.com.tw - dns.ninja
astscience.com.tw
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.twsnw@twnic.net.tw serial=2006390176 | ||||||
Subdomains
mail.astscience.com.tw |
Same first word
astscience.com.tw |
astscience.com |
Similar names
satscience.com |
tasciences.nyc |
tasciences.fr |
atsciences.com |
inetaccess.com |
accessinet.com |
netiaccess.com |
escentscia.eu |
tasciences.com |
accestenis.com |
tasciences.ca |
escentscia.com |
sciencesat.com |
tasciences.es |
DNS History
14 records (4 active, 10 former)
○NSadmns1.hinet.net2015-05-27 → 2020-01-14 · 4 obs
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-08-08 07:24:52
○NSadmns2.hinet.net2015-05-27 → 2020-01-14 · 4 obs
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-08-08 07:24:52
●NSdina.ns.cloudflare.com2026-02-25 → 2026-08-08 · 3 obs
● 2026-02-25 07:02:22
● 2026-08-08 07:24:52
●NSfred.ns.cloudflare.com2026-02-25 → 2026-08-08 · 3 obs
● 2026-02-25 07:02:22
● 2026-08-08 07:24:52
○MXalt1.aspmx.l.google.com2015-05-27 → 2020-01-14 · 4 obs
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-08-08 07:24:52
○MXalt2.aspmx.l.google.com2015-05-27 → 2020-01-14 · 4 obs
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-08-08 07:24:52
○MXaspmx.l.google.com2015-05-27 → 2020-01-14 · 4 obs
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-08-08 07:24:52
○MXaspmx2.googlemail.com2015-05-27 → 2020-01-14 · 4 obs
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-08-08 07:24:52
○MXaspmx3.googlemail.com2015-05-27 → 2020-01-14 · 4 obs
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-08-08 07:24:52
○MXaspmx4.googlemail.com2015-05-27 → 2020-01-14 · 4 obs
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-08-08 07:24:52
○MXaspmx5.googlemail.com2015-05-27 → 2020-01-14 · 4 obs
● 2020-01-14 01:38:42
○ 2026-02-25 07:02:22
○ 2026-08-08 07:24:52
○MXmail.astscience.com.tw2026-02-25 → 2026-02-25 · 4 obs
● 2026-02-25 07:02:22
○ 2026-07-02 22:44:36
○ 2026-08-08 07:24:52
●MXsmtp.google.com2026-07-02 → 2026-08-08 · 3 obs
● 2026-07-02 22:44:36
● 2026-08-08 07:24:52
●A203.99.146.682026-02-25 → 2026-08-08 · 2 obs
● 2026-08-08 07:24:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| com.tw | g.twnic.net.tw, b.twnic.net.tw, a.twnic.net.tw, c.twnic.net.tw... | 17 records |
| astscience.com.tw | dina.ns.cloudflare.com, fred.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.113
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: 1428ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.99.146.68 |
| NS | 2 | dina.ns.cloudflare.com, fred.ns.cloudflare.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 2 | MS=ms40621940, v=spf1 include:_spf.google.com include:p |
| SOA | 1 | dina.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 17
Out-of-bailiwick: 17 (h.twnic.net.tw, g.twnic.net.tw, f.twnic.net.tw...)
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 smtp.google.com.
Among the domains sharing a mail server setup with astscience.com.tw are lendar.com.ar, whyjay.com, townehaus.com and two others.
There is at least a partial MX overlap between astscience.com.tw and other domains, including mediaremoval.com, feedbackd.com, organizetherich.com and two others.
These mail servers frequently co-occur with the mail servers aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and two others.
With 9 IP addresses total, smtp.google.com resolves to 64.233.180.26, 64.233.180.27, 142.251.179.27 and 6 others.