THE RECORDS BEHIND THE NAME
DNS lookup.
Explore resource records, mail routing and reverse DNS.
Public IPs automatically use PTR. Common records queries A, AAAA, MX, NS, CNAME, TXT, SOA and CAA separately.
Querying DNS records…
DNS
9 answer records · Partialsinica.edu.tw
CNAME: resolver returned SERVFAIL. This is a DNS error, not an empty record set.
TXT: resolver returned SERVFAIL. This is a DNS error, not an empty record set.
CAA: resolver returned SERVFAIL. This is a DNS error, not an empty record set.
ANOERROR · no answersAD no
AAAANOERROR · no answersAD no
MXNOERRORAD no
NSNOERRORAD no
CNAMESERVFAILAD noEDE(9): DNSKEY Missing failed to verify signatures for sinica.edu.tw. opt-out proof: for RRSIG C3QNFUGMC9J6K1948DG08RDAMD85J401.edu.tw. NSEC3
TXTSERVFAILAD noEDE(9): DNSKEY Missing failed to verify signatures for sinica.edu.tw. opt-out proof: for RRSIG C3QNFUGMC9J6K1948DG08RDAMD85J401.edu.tw. NSEC3
SOANOERRORAD no
CAASERVFAILAD noEDE(9): DNSKEY Missing failed to verify signatures for sinica.edu.tw. opt-out proof: for RRSIG C3QNFUGMC9J6K1948DG08RDAMD85J401.edu.tw. NSEC3
AD indicates that the resolver reports DNSSEC-validated data. “AD no” can also mean the zone is unsigned. NXDOMAIN is a DNS result, not a domain-availability check.
| Type | Name | TTL · seconds | Value | Look up |
|---|---|---|---|---|
| MX | sinica.edu.tw | 300 | 50 a.mx.sinica.edu.tw. | DNS → |
| MX | sinica.edu.tw | 300 | 50 a0.mx.sinica.edu.tw. | DNS → |
| NS | sinica.edu.tw | 86400 | ns2.sinica.edu.tw. | DNS → |
| NS | sinica.edu.tw | 86400 | c.ns.sinica.edu.tw. | DNS → |
| NS | sinica.edu.tw | 86400 | b.ns.sinica.edu.tw. | DNS → |
| NS | sinica.edu.tw | 86400 | ns1.sinica.edu.tw. | DNS → |
| NS | sinica.edu.tw | 86400 | ns.sinica.edu.tw. | DNS → |
| NS | sinica.edu.tw | 86400 | a.ns.sinica.edu.tw. | DNS → |
| SOA | sinica.edu.tw | 86400 | a.ns.sinica.edu.tw. hostmaster.sinica.edu.tw. 2026101208 3600 1200 3600000 1800 | — |
Authority records · 1
| Type | Name | TTL · seconds | Value | Look up |
|---|---|---|---|---|
| SOA | sinica.edu.tw | 1800 | a.ns.sinica.edu.tw. hostmaster.sinica.edu.tw. 2026092303 3600 1200 3600000 1800 | — |
Results reflect the public DNS view and recursive caching; they may differ from your local network. TXT strings retain their DNS quoting. Common records does not enumerate every name or record in a zone.