DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
xundns.com runs on Cogent (multi-homed across 3 networks), with email configured.
- Hosting network
- Cogentmulti-homedAS174CogentAS979AS139659
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Enabled
- CAA pinning
- None
Sits alongside 251,593 other sites on Cogent. Stable here since we started watching (Oct 20, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to 307527339880223744.url.xunurl.com.
DNS Records for xundns.com
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| xundns.com | SOA | 600 | u2.xundns.com nsadmin.xundns.com 437896 3600 600 86400 600 | |
| xundns.com | NS | 0 | u1.xundns.com | |
| xundns.com | NS | 0 | u2.xundns.com | |
| xundns.com | CNAME | 0 | 307527401113129984.url.xunurl.com | |
| xundns.com | A | 0 | 154.9.25.113 | |
| xundns.com | A | 0 | 83.229.124.96 | |
| xundns.com | A | 0 | 38.207.179.237 | |
| xundns.com | AAAA | 0 | 2001:df1:7880:101::268 | |
| xundns.com | AAAA | 0 | 2001:df1:7880:100::1ee | |
| xundns.com | MX | 0 | 5 | mx2.feishu.cn |
| xundns.com | MX | 0 | 10 | mx3.feishu.cn |
| xundns.com | MX | 0 | 1 | mx1.feishu.cn |
| xundns.com | TXT | 0 | verification-code-site-App_feishu=C7GuBh7s2VT0fPbOsj42 | |
| xundns.com | TXT | 0 | v=spf1 +include:_netblocks.m.feishu.cn -all | |
| www.xundns.com | CNAME | 0 | 307527339880223744.url.xunurl.com | |
| www.xundns.com | A | 0 | 38.207.179.237 | |
| www.xundns.com | A | 0 | 83.229.124.96 | |
| www.xundns.com | A | 0 | 154.9.25.113 | |
| www.xundns.com | AAAA | 0 | 2001:df1:7880:100::1ee | |
| www.xundns.com | AAAA | 0 | 2001:df1:7880:101::268 |
Get alerted the moment xundns.com's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch xundns.com 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, CNAME, TXT 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