sendgrid.us.com - dns.ninja
sendgrid.us.com
us.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 54.153.56.183🇺🇸 Amazon54.153.0.0/17 EC2 SFO prefix | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | ns1.centralnic.net | ||||||
| NS | ns2.centralnic.net | ||||||
| NS | ns3.centralnic.net | ||||||
| NS | ns4.centralnic.net | ||||||
| MX | mx-01.emailme.com ⭐ | ||||||
| TXT | v=spf1 mx -all | ||||||
| TXT | google-site-verification=TQ9DQVGZ4sDKfEbBIAiflq7ZKjGuCOC_vEpwyw_XsW8 | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=3000794270 | ||||||
rank #226 in the tld
us.com
us.comis a private domain registry operated by CentralNic (now Team Internet Group plc) that offers third-level registrations as an alternative to the official.usor.comextensions. Unlike the official.uscountry-code top-level domain, registrations underus.comare unrestricted and available to anyone globally.
Key facts
- Owner / operator: CentralNic (Team Internet Group plc)
- TLD:
.com— gTLD - Primary purpose: Domain registry for third-level subdomains
- Status: active
History
| Year | Event |
|---|---|
| 1995 | Theus.comregistry is established to offer third-level domain registrations. |
| 1996 | CentralNic, the operator of the registry, is founded. |
| 2023 | CentralNic Group plc officially rebrands to Team Internet Group plc. |
WOT: SAFE (48/100)
📈 Tranco rank: #1,124
Previously MX for
sendgrid.us.com |
Subdomains
ns1.sendgrid.us.com |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSdns1.registrar-servers.com2026-04-11 → 2026-08-15 · 3 obs
● 2026-04-11 00:24:06
● 2026-08-15 00:11:18
●NSdns2.registrar-servers.com2026-04-11 → 2026-08-15 · 3 obs
● 2026-04-11 00:24:06
● 2026-08-15 00:11:18
○NSns1.mhdevelopment.info2019-01-13 → 2019-01-13 · 3 obs
○ 2026-04-11 00:24:06
○ 2026-08-15 00:11:18
○NSns2.mhdevelopment.info2019-01-13 → 2019-01-13 · 3 obs
○ 2026-04-11 00:24:06
○ 2026-08-15 00:11:18
○MXsendgrid.us.com2019-01-13 → 2019-01-13 · 3 obs
○ 2026-04-11 00:24:06
○ 2026-08-15 00:11:18
●MXsmtp.google.com2026-04-11 → 2026-08-15 · 3 obs
● 2026-04-11 00:24:06
● 2026-08-15 00:11:18
○A148.163.69.52019-01-13 → 2019-01-13 · 3 obs
○ 2026-04-11 00:24:06
○ 2026-08-15 00:11:18
●A44.222.90.32026-04-11 → 2026-08-15 · 3 obs
● 2026-04-11 00:24:06
● 2026-08-15 00:11:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| us.com | ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net | - |
| sendgrid.us.com | dns1.registrar-servers.com, dns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sendgrid.us.com (unsigned zone)
⏱️ Timing
Total: 771ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 44.222.90.3 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=Sg8M6MHocfHrMY4 |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
Hierarchy
ns1.sendgrid.us.com is delegated beneath sendgrid.us.com.
IP Addresses
sendgrid.us.com directs to one IP number, which is 44.222.90.3.
Other host names share IP numbers with sendgrid.us.com; ns1.sendgrid.us.com is one such example.
Name Servers
sendgrid.us.com is served by two delegated name servers, dns1.registrar-servers.com and dns2.registrar-servers.com.
sendgrid.us.com has the same name server delegation as a number of other domains, such as marketen.wiki, calrubicam.org, padmath.com and two more.
There is an overlap in name servers between sendgrid.us.com and other domains, for example rabbletown.com, partopoly.com and innovativedevs.co.uk
The name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com are often found in combination with these name servers.
Each of the two host names carries two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, and dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
sendgrid.us.com routes its mail through a single mail server, smtp.google.com.
sendgrid.us.com has the same mail server arrangement as a number of other domains, for example jjthewash.com, kiatroisrivieres.com, lidolerici.com and two more.
sendgrid.us.com shares at least some of its mail servers with other domains — for example sneaky.digital, umisusa.com, zoond.tv and two more.
It is common to find these mail servers paired with the mail servers alt1.aspmx.l.google.com.
smtp.google.com directs to 9 IP numbers, including 64.233.180.26, 142.251.163.27 and 173.194.45.26, along with 6 other.