sif.io - robtex.com
sif.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 4.149.241.71🇺🇸 Microsoft4.144.0.0/12 MICROSOFT | ||||||
| NS | dns1.registrar-servers.com ⭐ | ||||||
| A | 2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| A | 156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| NS | dns2.registrar-servers.com | ||||||
| A | 2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| A | 156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| MX | sif.io ⭐ | ||||||
| A | 4.149.241.71🇺🇸 Microsoft4.144.0.0/12 MICROSOFT | ||||||
| TXT | v=spf1 mx include:sendgrid.net ~all | ||||||
| SOA | dns1.registrar-servers.comhostmaster@registrar-servers.com serial=1770183504 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1776072204 | ||||||
MX for
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns1.registrar-servers.com2026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 09:43:24
●NSdns2.registrar-servers.com2026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 09:43:24
●MXsif.io2026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 09:43:24
●A4.149.241.712026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 09:43:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io | - |
| sif.io | 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 sif.io (unsigned zone)
⏱️ Timing
Total: 568ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 4.149.241.71 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 1 | sif.io (pri: 10) |
| TXT | 1 | v=spf1 mx include:sendgrid.net ~all |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
Mail Server Role
sif.io serves as a mail server for ideasyncratic.net and sif.io.
IP Addresses
sif.io points to IP number 4.149.241.71.
Name Servers
sif.io is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.
sif.io uses the same name server setup as other domains such as podcasteditoracademy.com, apopgene.com, shirst.com, gcaic.com and marthadiazrealty.com.
sif.io shares name servers with other domains at least partially, for example garyfamily.com, invertoo.com, dhfx.org, chblboston.com and sltzr.com.
These name servers are commonly used with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
Host names with two IP numbers:
dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.
Mail Servers
sif.io is handled by a single mail server, sif.io.
The mail server setup of sif.io is the same as that of other domains, for instance ideasyncratic.net.
sif.io points to a single IP: 4.149.241.71.