piper.sina.com - robtex.com
piper.sina.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 71.5.7.55🇺🇸 AS282871.4.0.0/15 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| PTR | 71.5.7.55.ptr.us.xo.net | ||||||
| MX | smtp.sina.com ⭐ | ||||||
sina.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.71.151.11🇺🇸 HURRICANE64.71.128.0/18 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| NS | ns1.sina.com.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.sina.com | ||||||
| NS | ns2.sina.com | ||||||
| NS | ns2.sina.com.cn ⚠️ Not in parent delegation | ||||||
| NS | ns3.sina.com | ||||||
| NS | ns3.sina.com.cn ⚠️ Not in parent delegation | ||||||
| NS | ns4.sina.com | ||||||
| NS | ns4.sina.com.cn ⚠️ Not in parent delegation | ||||||
| MX | freemx1.sinamail.sina.com.cn ⭐ | ||||||
| MX | freemx2.sinamail.sina.com.cn ⭐ | ||||||
| MX | freemx3.sinamail.sina.com.cn ⭐ | ||||||
| TXT | v=spf1 include:spf.sinamail.sina.com.cn -all | ||||||
| SOA | ns1.sina.com.cnzhihao@staff.sina.com.cn 2005-04-26 #1 | ||||||
rank #5730 globally
rank #2852 in the tld
WOT: SAFE (86/100)
📈 Tranco rank: #5,241
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●A71.5.7.552015-06-10 → 2026-04-14 · 2 obs
● 2015-06-10 17:56:46
● 2026-04-14 04:55:42
● 2026-04-14 04:55:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net... | - |
| sina.com | ns1.sina.com.cn, ns2.sina.com.cn, ns3.sina.com.cn, ns1.sina.com... | 4 records |
✅ Authoritative Response
Server:114.134.80.165
NS records: ns1.sina.com.cn, ns2.sina.com.cn, ns3.sina.com.cn, ns1.sina.com, ns2.sina.com, ns4.sina.com, ns3.sina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sina.com (unsigned zone)
⏱️ Timing
Total: 2894ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 71.5.7.55 |
| MX | 1 | smtp.sina.com (pri: 10) |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.sina.com, ns2.sina.com, ns4.sina.com...)
Analysis
IP Addresses
piper.sina.com points to IP number 71.5.7.55.
Mail Servers
piper.sina.com is handled by a single mail server, smtp.sina.com.
The mail server setup of piper.sina.com is the same as that of other domains, for instance ecards.sina.com.