DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
pku.edu.cn runs on AS4538, with email configured.
- Hosting network
- AS4538AS4538
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 1,425 other sites on AS4538. Stable here since we started watching (Sep 4, 2026).
DNS Records for pku.edu.cn
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| pku.edu.cn | MX | 0 | 10 | gateway.pku.edu.cn |
| pku.edu.cn | MX | 0 | 5 | mx-pku-edu-cn.icoremail.net |
| pku.edu.cn | A | 0 | 162.105.131.160 | |
| pku.edu.cn | TXT | 0 | cf95911d8f72efa4f04023bb828a06bf3c568fe15cb518255362cdc697739f73 | |
| pku.edu.cn | TXT | 0 | v=spf1 ip4:162.105.129.0/24 include:spf.icoremail.net -all | |
| pku.edu.cn | NS | 0 | DNS1.pku.edu.cn | |
| pku.edu.cn | NS | 0 | ns.pku.edu.cn | |
| pku.edu.cn | NS | 0 | DNS2.pku.edu.cn | |
| pku.edu.cn | NS | 0 | DNS3.pku.edu.cn | |
| pku.edu.cn | SOA | 3600 | ns.pku.edu.cn hostmaster.pku.edu.cn 2026101202 3600 300 2592000 3600 | |
| www.pku.edu.cn | CNAME | 0 | www.lb.pku.edu.cn | |
| www.pku.edu.cn | A | 0 | 162.105.131.160 | |
| www.pku.edu.cn | AAAA | 0 | 2001:da8:201:1512::a269:83a0 |
Get alerted the moment pku.edu.cn's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch pku.edu.cn 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