mtcb2b.com - dns.ninja
mtcb2b.com
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=1786552974 | ||||||
Same first word
mtcb2b.com |
Similar names
DNS History
9 records (9 active, 0 former)
●NSns-cloud-b1.googledomains.com2026-02-23 → 2026-08-12 · 2 obs
● 2026-08-12 17:13:02
●NSns-cloud-b2.googledomains.com2026-02-23 → 2026-08-12 · 2 obs
● 2026-08-12 17:13:02
●NSns-cloud-b3.googledomains.com2026-02-23 → 2026-08-12 · 2 obs
● 2026-08-12 17:13:02
●NSns-cloud-b4.googledomains.com2026-02-23 → 2026-08-12 · 2 obs
● 2026-08-12 17:13:02
●MXalt1.aspmx.l.google.com2026-02-23 → 2026-08-12 · 2 obs
● 2026-08-12 17:13:02
●MXalt2.aspmx.l.google.com2026-02-23 → 2026-08-12 · 2 obs
● 2026-08-12 17:13:02
●MXalt3.aspmx.l.google.com2026-02-23 → 2026-08-12 · 2 obs
● 2026-08-12 17:13:02
●MXalt4.aspmx.l.google.com2026-02-23 → 2026-08-12 · 2 obs
● 2026-08-12 17:13:02
●MXaspmx.l.google.com2026-02-23 → 2026-08-12 · 2 obs
● 2026-08-12 17:13:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| mtcb2b.com | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.32.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 513ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt4.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | v=spf1 include:_spf.google.com include:s, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)
Analysis
Name Servers
Four name servers handle the delegation for mtcb2b.com: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
mtcb2b.com shares at least some of its name servers with other domains, including xv64.com, scofficesolutions.com, allenhomecare.net and two others.
The host names ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com each resolve to two IP addresses: ns-cloud-b1.googledomains.com resolves to 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com resolves to 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com resolves to 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com resolves to 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
Mail for mtcb2b.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by mtcb2b.com are shared with other domains: ns500759.ns500758.ns500758.ns500758.ns500736.ns500736.ns500735.ns500576.ns500576.ns500698.ns500619.trackreceptor.com, ns500698.ns500758.ns500758.ns500758.ns500735.ns500735.ns500735.ns500736.ns500698.ns500735.ns500708.ns500708.ns500708.ns500576.ns500619.ns500652.ns500619.trackreceptor.com, ns500754.ns500742.ns500671.ns500671.ns500671.ns500671.ns500671.ns500688.ns500704.ns500671.ns500678.ns500688.ns500666.ns500666.ns500131.lustychickser.com and two others among them.
These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.
Host names pointing to two IP addresses:
The A records for aspmx.l.google.com return 142.251.163.27 and 2607:f8b0:4004:c09::1b.
The A records for alt1.aspmx.l.google.com return 192.178.234.27 and 2800:3f0:4003:c14::1b.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.
The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1b.
The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1b.