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Hosting & Network
ctg.cn runs on AS4134, with email configured.
- Hosting network
- AS4134AS4134
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 46,306 other sites on AS4134. Stable here since we started watching (Oct 28, 2026).
DNS Records for ctg.cn
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| ctg.cn | MX | 0 | 1 | mailgw.ctg.cn |
| ctg.cn | NS | 0 | vip3.alidns.com | |
| ctg.cn | NS | 0 | vip4.alidns.com | |
| ctg.cn | A | 0 | 202.104.135.80 | |
| ctg.cn | SOA | 600 | vip3.alidns.com hostmaster.hichina.com 2026081316 3600 1200 86400 600 | |
| ctg.cn | TXT | 0 | _globalsign-domain-verification=d99iUWfFbgnZ0wAaclINjAiOffnX6WvGXjzG_0-RJY | |
| ctg.cn | TXT | 0 | globalsign-domain-verification=UOvxhsQg-CncxCaOlqjZF3BlIyFCf1Xbrl8_Dj4LxH | |
| ctg.cn | TXT | 0 | _globalsign-domain-verification=s04sm3qdvyw3KbiyZQNZubwU5yhdL0AgTKznWmCaB3 | |
| ctg.cn | TXT | 0 | v=spf1 ip4:113.98.240.64/26 ip4:58.251.19.192/25 ip4:58.251.19.198/25 ip4:58.251.19.208/25 ip4:125.214.246.64/28 ip4:118.143.11.136 ip4:202.104.135.88/32 include:spf.icoremail.net -all | |
| www.ctg.cn | CNAME | 0 | www.ctg.cn.queniumf.com | |
| www.ctg.cn | A | 0 | 163.181.246.190 | |
| www.ctg.cn | A | 0 | 163.181.246.189 | |
| www.ctg.cn | A | 0 | 163.181.246.191 | |
| www.ctg.cn | A | 0 | 163.181.246.194 | |
| www.ctg.cn | A | 0 | 163.181.246.195 | |
| www.ctg.cn | A | 0 | 163.181.246.192 | |
| www.ctg.cn | A | 0 | 163.181.246.188 | |
| www.ctg.cn | A | 0 | 163.181.246.193 |
Get alerted the moment ctg.cn's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch ctg.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, 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
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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