ycfybj.com - robtex.com
ycfybj.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2408:863c:88c0::3🇨🇳 CHINA169-Backbone2408:863c::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street | ||||||
| A | 112.82.120.202🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network | ||||||
| NS | ns1.cnolnic.net ⭐ | ||||||
| A | 240c:4082:0:5d80::2🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 106.13.136.254🇨🇳 Baidu106.13.128.0/19 AS38365 | ||||||
| A | 182.61.7.97🇨🇳 Baidu182.61.0.0/19 | ||||||
| NS | ns2.cnolnic.net | ||||||
| A | 240c:4081:8000:1702::3🇨🇳 Baidu240c:4081::/32 | ||||||
| A | 106.12.41.177🇨🇳 Baidu106.12.32.0/19 | ||||||
| A | 180.76.132.69🇨🇳 Baidu180.76.128.0/19 | ||||||
| MX | 153.37.77.146 ⭐ | ||||||
| TXT | v=spf1 ip4:153.37.77.146 ~all | ||||||
| SOA | ns1.cnolnic.netroot@cnolnic.net 2006-11-24 #1 | ||||||
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=1777511896 | ||||||
Same first word
ycfybj.com |
Similar names
DNS History
13 records (5 active, 8 former)
○NSns1.cnolnic.com2015-07-07 → 2016-12-18 · 5 obs
○ 2008-03-16 05:01:16
● 2015-07-07 20:16:20
● 2016-12-18 08:54:20
○ 2017-12-20 06:04:24
○ 2026-04-30 01:30:16
● 2015-07-07 20:16:20
● 2016-12-18 08:54:20
○ 2017-12-20 06:04:24
○ 2026-04-30 01:30:16
●NSns1.cnolnic.net2017-12-20 → 2026-04-30 · 3 obs
○ 2016-12-18 08:54:20
● 2017-12-20 06:04:24
● 2026-04-30 01:30:16
● 2017-12-20 06:04:24
● 2026-04-30 01:30:16
○NSns2.cnolnic.com2015-07-07 → 2016-12-18 · 5 obs
○ 2008-03-16 05:01:16
● 2015-07-07 20:16:20
● 2016-12-18 08:54:20
○ 2017-12-20 06:04:24
○ 2026-04-30 01:30:16
● 2015-07-07 20:16:20
● 2016-12-18 08:54:20
○ 2017-12-20 06:04:24
○ 2026-04-30 01:30:16
●NSns2.cnolnic.net2017-12-20 → 2026-04-30 · 3 obs
○ 2016-12-18 08:54:20
● 2017-12-20 06:04:24
● 2026-04-30 01:30:16
● 2017-12-20 06:04:24
● 2026-04-30 01:30:16
●MX153.37.77.1462026-04-18 → 2026-04-30 · 3 obs
○ 2017-12-20 06:04:24
● 2026-04-18 10:09:10
● 2026-04-30 01:30:16
● 2026-04-18 10:09:10
● 2026-04-30 01:30:16
○MXmail.ycfybj.com2008-03-16 → 2016-12-18 · 5 obs
● 2008-03-16 05:01:16
○ 2015-07-07 20:16:20
● 2016-12-18 08:54:20
○ 2017-12-20 06:04:24
○ 2026-04-30 01:30:16
○ 2015-07-07 20:16:20
● 2016-12-18 08:54:20
○ 2017-12-20 06:04:24
○ 2026-04-30 01:30:16
○MXmxbiz1.qq.com2017-12-20 → 2017-12-20 · 4 obs
○ 2016-12-18 08:54:20
● 2017-12-20 06:04:24
○ 2026-04-18 10:09:10
○ 2026-04-30 01:30:16
● 2017-12-20 06:04:24
○ 2026-04-18 10:09:10
○ 2026-04-30 01:30:16
○MXmxbiz2.qq.com2017-12-20 → 2017-12-20 · 4 obs
○ 2016-12-18 08:54:20
● 2017-12-20 06:04:24
○ 2026-04-18 10:09:10
○ 2026-04-30 01:30:16
● 2017-12-20 06:04:24
○ 2026-04-18 10:09:10
○ 2026-04-30 01:30:16
●A112.82.120.2022026-04-18 → 2026-04-30 · 3 obs
○ 2017-12-20 06:04:24
● 2026-04-18 10:09:10
● 2026-04-30 01:30:16
● 2026-04-18 10:09:10
● 2026-04-30 01:30:16
○A119.188.35.952017-12-20 → 2017-12-20 · 4 obs
○ 2016-12-18 08:54:20
● 2017-12-20 06:04:24
○ 2026-04-18 10:09:10
○ 2026-04-30 01:30:16
● 2017-12-20 06:04:24
○ 2026-04-18 10:09:10
○ 2026-04-30 01:30:16
●A2408:863c:88c0::32026-04-18 → 2026-04-30 · 3 obs
○ 2017-12-20 06:04:24
● 2026-04-18 10:09:10
● 2026-04-30 01:30:16
● 2026-04-18 10:09:10
● 2026-04-30 01:30:16
○A58.221.29.1232015-07-07 → 2016-12-18 · 5 obs
○ 2008-03-16 05:01:16
● 2015-07-07 20:16:20
● 2016-12-18 08:54:20
○ 2017-12-20 06:04:24
○ 2026-04-30 01:30:16
● 2015-07-07 20:16:20
● 2016-12-18 08:54:20
○ 2017-12-20 06:04:24
○ 2026-04-30 01:30:16
○A61.151.239.1592008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 05:01:16
○ 2015-07-07 20:16:20
○ 2026-04-30 01:30:16
○ 2015-07-07 20:16:20
○ 2026-04-30 01:30:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net... | - |
| ycfybj.com | ns1.cnolnic.net, ns2.cnolnic.net | - |
✅ Authoritative Response
Server:182.61.7.97
NS records: ns1.cnolnic.net, ns2.cnolnic.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ycfybj.com (unsigned zone)
⏱️ Timing
Total: 978ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 112.82.120.202 |
| AAAA | 1 | 2408:863c:88c0::3 |
| NS | 2 | ns2.cnolnic.net, ns1.cnolnic.net |
| MX | 1 | 153.37.77.146 (pri: 5) |
| TXT | 1 | v=spf1 ip4:153.37.77.146 ~all |
| SOA | 1 | ns1.cnolnic.net root.cnolnic.net |
Analysis
IP Addresses
ycfybj.com has two IP numbers: 2408:863c:88c0::3 and 112.82.120.202.
Name Servers
ycfybj.com's delegation uses two name servers: ns1.cnolnic.net and ns2.cnolnic.net.
ycfybj.com uses the same name server setup as other domains, such as zjyqjx.com, njschool.cn, enzf.cn, mxrb.cn and simpleinfo.net.
Host names with three IP numbers:
The host name ns1.cnolnic.net resolves to 240c:4082:0:5d80::2, 106.13.136.254 and 182.61.7.97.
The host name ns2.cnolnic.net resolves to 240c:4081:8000:1702::3, 106.12.41.177 and 180.76.132.69.
Mail Servers
A single mail server handles ycfybj.com, 153.37.77.146.