mailtb.com - robtex.com
mailtb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.251.168🇺🇸 Amazon3.33.240.0/20 | ||||||
| PTR | aec037177372cc6cd.awsglobalaccelerator.com | ||||||
| A | 15.197.225.128🇺🇸 Amazon15.197.224.0/20 | ||||||
| NS | ns43.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2152::16🇺🇸 GODADDY-DNS2603:5:2150::/44 | ||||||
| PTR | ns43.domaincontrol.com | ||||||
| A | 97.74.101.22🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns43.domaincontrol.com | ||||||
| NS | ns44.domaincontrol.com | ||||||
| A | 2603:5:2252::16🇺🇸 GODADDY-DNS2603:5:2250::/44 | ||||||
| PTR | ns44.domaincontrol.com | ||||||
| A | 173.201.69.22🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns44.domaincontrol.com | ||||||
| MX | mx5.lanu.cn ⭐ | ||||||
| A | 183.26.171.159🇨🇳 CHINANET-BACKBONE183.0.0.0/10 Mega-II IDC | ||||||
| MX | mx6.lanu.cn(10) | ||||||
| A | 47.107.89.183🇨🇳 Alibaba-Cloud47.107.0.0/16 | ||||||
| A | 165.154.99.139🇭🇰 UCLOUD-1165.154.99.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
| TXT | v=spf1 include:spf5.lanu.cn ~all | ||||||
| SOA | ns43.domaincontrol.comdns@jomax.net 2026-01-16 #3 | ||||||
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=1778297876 | ||||||
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○NSns11.xincache.com2015-06-16 → 2015-06-16 · 3 obs
○ 2015-10-29 11:59:12
○ 2026-05-09 03:50:16
○NSns12.xincache.com2015-06-16 → 2015-06-16 · 3 obs
○ 2015-10-29 11:59:12
○ 2026-05-09 03:50:16
●NSns43.domaincontrol.com2026-05-07 → 2026-05-09 · 3 obs
● 2026-05-07 08:14:10
● 2026-05-09 03:50:16
●NSns44.domaincontrol.com2026-05-07 → 2026-05-09 · 3 obs
● 2026-05-07 08:14:10
● 2026-05-09 03:50:16
○MXmx.ym.163.com2015-06-16 → 2015-06-16 · 3 obs
○ 2015-10-29 11:59:12
○ 2026-05-09 03:50:16
●MXmx5.lanu.cn2026-05-07 → 2026-05-09 · 3 obs
● 2026-05-07 08:14:10
● 2026-05-09 03:50:16
●MXmx6.lanu.cn2026-05-07 → 2026-05-09 · 3 obs
● 2026-05-07 08:14:10
● 2026-05-09 03:50:16
●A15.197.225.1282026-05-07 → 2026-05-09 · 2 obs
● 2026-05-09 03:50:16
●A3.33.251.1682026-05-07 → 2026-05-09 · 2 obs
● 2026-05-09 03:50:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net... | - |
| mailtb.com | ns43.domaincontrol.com, ns44.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.69.22
NS records: ns43.domaincontrol.com, ns44.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mailtb.com (unsigned zone)
⏱️ Timing
Total: 294ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns43.domaincontrol.com, ns44.domaincontrol.com |
| MX | 2 | mx5.lanu.cn (pri: 5), mx6.lanu.cn (pri: 10) |
| TXT | 1 | v=spf1 include:spf5.lanu.cn ~all |
| SOA | 1 | ns43.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns43.domaincontrol.com, ns43.domaincontrol.com, ns44.domaincontrol.com...)
Analysis
IP Addresses
mailtb.com resolves to two IP numbers: 3.33.251.168 and 15.197.225.128.
other host names including adam-shaw.co, (0x736578)shopoutlet.net, designingacure.com, maxsys.com and chrisharringtongroup.com share IP numbers with mailtb.com.
Name Servers
mailtb.com is delegated to two name servers ns43.domaincontrol.com and ns44.domaincontrol.com.
mailtb.com shares the same name server setup as other domains, for instance illtakeyouto.com, thisismalarkey.com, baconbeercan.com, ronanautobody.com and cadets.org.
Host names with two IP numbers:
The host name ns43.domaincontrol.com points to 2603:5:2152::16 and 97.74.101.22; the host name ns44.domaincontrol.com points to 2603:5:2252::16 and 173.201.69.22.
Mail Servers
Two mail servers handle mailtb.com: mx5.lanu.cn and mx6.lanu.cn.
mailtb.com shares the same mail server setup as other domains, for instance acc911.com, diyxt.cn, 11ka.com, 64644.cn and 9yo.cc.
mailtb.com shares some mail servers with other domains, at least partially, for example diyxt.com and haijiao-zh-cn.com.
Two IP numbers for a host: mx6.lanu.cn points to 47.107.89.183 and 165.154.99.139.
One IP number for a host: mx5.lanu.cn points to 183.26.171.159.