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Hosting & Network
tsem.org.tw runs on AS18182, with email configured.
- Hosting network
- AS18182AS18182
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 1,632 other sites on AS18182. Stable here since we started watching (Oct 1, 2026).
DNS Records for tsem.org.tw
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| tsem.org.tw | NS | 0 | ns2.ix1000.com | |
| tsem.org.tw | NS | 0 | ns3.ix1000.com | |
| tsem.org.tw | NS | 0 | ns4.ix1000.com | |
| tsem.org.tw | NS | 0 | ns1.ix1000.com | |
| tsem.org.tw | TXT | 0 | v=spf1 include:_spf.mailcloud.com.tw ~all | |
| tsem.org.tw | MX | 0 | 10 | mail.tsem.org.tw |
| tsem.org.tw | SOA | 10800 | ns1.ix1000.com root.tsem.org.tw 1710901064 10800 3600 604800 10800 | |
| tsem.org.tw | A | 0 | 219.85.73.66 | |
| www.tsem.org.tw | CNAME | 0 | ghs.googlehosted.com | |
| www.tsem.org.tw | AAAA | 0 | 2607:f8b0:4004:c21::79 | |
| www.tsem.org.tw | A | 0 | 64.233.180.121 |
Get alerted the moment tsem.org.tw's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch tsem.org.tw continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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About DNS Records
DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:
- SOA (Start of Authority) - Contains administrative information about the zone
- NS (Nameserver) - Specifies authoritative nameservers for the domain
- A (Address) - Maps a domain to an IPv4 address
- AAAA - Maps a domain to an IPv6 address
- CNAME (Canonical Name) - Creates an alias pointing to another domain
- MX (Mail Exchange) - Specifies mail servers for the domain