bifour.com - robtex.com
bifour.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 50.87.234.124🇺🇸 EIGI50.87.0.0/16 Unified Layer | ||||||
| PTR | 50-87-234-124.unifiedlayer.com | ||||||
| NS | ns59.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2143::1f🇺🇸 GODADDY-DNS2603:5:2140::/44 | ||||||
| PTR | mns01.domaincontrol.com | ||||||
| A | 97.74.100.31🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns59.domaincontrol.com | ||||||
| NS | ns60.domaincontrol.com | ||||||
| A | 2603:5:2243::1f🇺🇸 GODADDY-DNS2603:5:2240::/44 | ||||||
| PTR | mns02.domaincontrol.com | ||||||
| A | 173.201.68.31🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns60.domaincontrol.com | ||||||
| MX | mx1.qiye.aliyun.com ⭐ | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| MX | mx2.qiye.aliyun.com(10) | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| MX | mx3.qiye.aliyun.com(15) | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| TXT | v=spf1 include:spf.qiye.aliyun.com -all | ||||||
| SOA | ns59.domaincontrol.comdns@jomax.net 2024-12-24 #0 | ||||||
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=1774542387 | ||||||
Same first word
bifour.com |
Similar names
DNS History
11 records (6 active, 5 former)
○NSns43.domaincontrol.com2015-06-23 → 2017-01-30 · 4 obs
● 2017-01-30 00:44:12
○ 2018-10-13 17:39:02
○ 2026-03-26 16:52:58
○NSns44.domaincontrol.com2015-06-23 → 2017-01-30 · 4 obs
● 2017-01-30 00:44:12
○ 2018-10-13 17:39:02
○ 2026-03-26 16:52:58
●NSns59.domaincontrol.com2026-02-16 → 2026-03-26 · 3 obs
● 2026-02-16 15:35:30
● 2026-03-26 16:52:58
●NSns60.domaincontrol.com2026-02-16 → 2026-03-26 · 3 obs
● 2026-02-16 15:35:30
● 2026-03-26 16:52:58
○MXmailstore1.secureserver.net2015-06-23 → 2017-01-30 · 4 obs
● 2017-01-30 00:44:12
○ 2018-10-13 17:39:02
○ 2026-03-26 16:52:58
●MXmx1.qiye.aliyun.com2026-02-16 → 2026-03-26 · 3 obs
● 2026-02-16 15:35:30
● 2026-03-26 16:52:58
●MXmx2.qiye.aliyun.com2026-02-16 → 2026-03-26 · 3 obs
● 2026-02-16 15:35:30
● 2026-03-26 16:52:58
●MXmx3.qiye.aliyun.com2026-02-16 → 2026-03-26 · 3 obs
● 2026-02-16 15:35:30
● 2026-03-26 16:52:58
○MXsmtp.secureserver.net2015-06-23 → 2017-01-30 · 4 obs
● 2017-01-30 00:44:12
○ 2018-10-13 17:39:02
○ 2026-03-26 16:52:58
○A184.168.221.562015-06-23 → 2017-01-30 · 4 obs
● 2017-01-30 00:44:12
○ 2018-10-13 17:39:02
○ 2026-03-26 16:52:58
●A50.87.234.1242026-02-16 → 2026-03-26 · 3 obs
● 2026-02-16 15:35:30
● 2026-03-26 16:52:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bifour.com | ns59.domaincontrol.com, ns60.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.100.31
NS records: ns59.domaincontrol.com, ns60.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bifour.com (unsigned zone)
⏱️ Timing
Total: 148ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.87.234.124 |
| NS | 2 | ns59.domaincontrol.com, ns60.domaincontrol.com |
| MX | 3 | mx3.qiye.aliyun.com (pri: 15), mx2.qiye.aliyun.com (pri: 10)... |
| TXT | 1 | v=spf1 include:spf.qiye.aliyun.com -all |
| SOA | 1 | ns59.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns59.domaincontrol.com, ns59.domaincontrol.com, ns60.domaincontrol.com...)
Analysis
IP Addresses
bifour.com points to a single IP number: 50.87.234.124.
Other host names, for instance ceomillionaire.com, 50-87-234-124.unifiedlayer.com, server.ceomillionaire.com, sdanda.com and ns2.ceomillionaire.com share IP numbers with bifour.com.
Name Servers
Delegation for bifour.com rests with two name servers, ns59.domaincontrol.com and ns60.domaincontrol.com.
bifour.com shares the same name server setup as other domains, including morphed.me, humphreyfleet.ca, stephaniesica.com, nashvillesidingcompany.com and tcgscan.com.
bifour.com partially shares name servers with other domains; for instance threadbare.com and elmrkt.com.
Host names with two IP numbers: ns59.domaincontrol.com points to 2603:5:2143::1f and 97.74.100.31; ns60.domaincontrol.com points to 2603:5:2243::1f and 173.201.68.31.
Mail Servers
bifour.com is handled by three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
bifour.com shares mail servers with other domains at least in part, for instance ai-chipsources.com, greenagribio.com, dazentech.com, vstyle4u.com and nblifu.com.
these mail servers are often used with mxw.mxhichina.com and mxn.mxhichina.com.
Two-IP host names: mx3.qiye.aliyun.com points to 47.246.136.231 and 47.246.137.47.
One-IP host names: mx1.qiye.aliyun.com points to 47.246.137.47; mx2.qiye.aliyun.com points to 47.246.136.231.
Names pointing to 47.246.136.231: mx3.qiye.aliyun.com and mx2.qiye.aliyun.com.
Names pointing to 47.246.137.47: mx3.qiye.aliyun.com and mx1.qiye.aliyun.com.