cityhan.com - robtex.com
cityhan.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.245.86.63🇻🇳 FPT-AS-AP210.245.86.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | webhost55.fptdata.vn | ||||||
| PTR | gateway.vdo.vn | ||||||
| NS | ns1.dns.net.vn ⭐ | ||||||
| A | 2401:5f80:4001:2::5🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 210.211.108.160🇻🇳 VTDC-AS-VN210.211.108.0/22 Proxy-registered route object | ||||||
| PTR | ns1.dns.net.vn | ||||||
| NS | ns2.dns.net.vn | ||||||
| A | 2403:6000:3:3::🇻🇳 QTSP2403:6000::/40 | ||||||
| A | 103.45.229.100🇻🇳 QTSP103.45.229.0/24 CMI (Customer Route) | ||||||
| PTR | ns2.dns.net.vn | ||||||
| MX | mail.cityhan.com ⭐ | ||||||
| A | 103.45.229.96🇻🇳 QTSP103.45.229.0/24 CMI (Customer Route) | ||||||
| PTR | sd22996.server.idn.vn | ||||||
| TXT | v=spf1 a mx ip4:103.45.229.96 ~all | ||||||
| SOA | ns1.dns.net.vnwebmaster@dns.net.vn serial=1747129370 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774420272 | ||||||
Subdomains
mail.cityhan.com |
Same first word
cityhan.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.dns.net.vn2015-06-04 → 2026-03-25 · 2 obs
● 2026-03-25 07:00:54
●NSns2.dns.net.vn2015-06-04 → 2026-03-25 · 2 obs
● 2026-03-25 07:00:54
●MXmail.cityhan.com2015-06-04 → 2026-03-25 · 2 obs
● 2026-03-25 07:00:54
○A210.245.86.582015-06-04 → 2018-08-14 · 4 obs
● 2018-08-14 15:52:48
○ 2026-03-11 20:21:16
○ 2026-03-25 07:00:54
●A210.245.86.632026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 20:21:16
● 2026-03-25 07:00:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cityhan.com | ns2.dns.net.vn, ns1.dns.net.vn | - |
✅ Authoritative Response
Server:210.211.108.160
NS records: ns2.dns.net.vn, ns1.dns.net.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cityhan.com (unsigned zone)
⏱️ Timing
Total: 1536ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.245.86.63 |
| NS | 2 | ns2.dns.net.vn, ns1.dns.net.vn |
| MX | 1 | mail.cityhan.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:103.45.229.96 ~all |
| SOA | 1 | ns1.dns.net.vn webmaster.dns.net.vn |
Analysis
Hierarchy
cityhan.com is a parent of mail.cityhan.com.
IP Addresses
cityhan.com points to a single IP address: 210.245.86.63.
Other host names such as mail.womenmuseum.org.vn, womenmuseum.org.vn, mail.petrolimexaviation.com, www.womenmuseum.org.vn and mail.petrolimexaviation.com.vn share IP numbers with cityhan.com.
Name Servers
cityhan.com is delegated to two name servers: ns1.dns.net.vn and ns2.dns.net.vn.
cityhan.com uses the same name server setup as other domains, including gap.org.vn, taiwanplastic.com.vn, square.vn, vinagiay.com.vn and sieuthimaymoc.vn.
At least part of the name servers for cityhan.com are shared with other domains, for instance apis.vn, viethanit.vn, webgiare.info.vn, nhatoi.com.vn and xaydung.vn.
These name servers are commonly used alongside ns1.webgiare.info.vn and ns2.webgiare.info.vn.
Host names with two IP numbers:
ns1.dns.net.vn points to 2401:5f80:4001:2::5 and 210.211.108.160.
ns2.dns.net.vn points to 2403:6000:3:3:: and 103.45.229.100.
Mail Servers
The mail server for cityhan.com is mail.cityhan.com.
Host mail.cityhan.com points to IP 103.45.229.96.