sfeir.org - robtex.com
sfeir.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.nameresolvers.com ⭐ | ||||||
| A | 172.105.25.101🇨🇦 AKAMAI-LINODE-AP172.105.0.0/19 Akamai Technologies | ||||||
| PTR | dns1.nameresolvers.com | ||||||
| NS | dns2.nameresolvers.com | ||||||
| A | 172.105.102.173🇨🇦 AKAMAI-LINODE-AP172.105.96.0/20 | ||||||
| PTR | dns2.nameresolvers.com | ||||||
| NS | dns3.nameresolvers.com | ||||||
| A | 142.93.196.148🇺🇸 DIGITALOCEAN142.93.192.0/20 DigitalOcean | ||||||
| PTR | dns3.nameresolvers.com | ||||||
| NS | dns4.nameresolvers.com | ||||||
| A | 104.248.127.82🇺🇸 DIGITALOCEAN104.248.112.0/20 DigitalOcean | ||||||
| PTR | dns4.nameresolvers.com | ||||||
| MX | forward10.nameresolvers.com ⭐ | ||||||
| A | 65.39.148.172🇨🇦 APTUM65.39.148.0/22 | ||||||
| PTR | forward10.nameresolvers.com | ||||||
| MX | forward20.nameresolvers.com ⭐ | ||||||
| A | 65.39.148.173🇨🇦 APTUM65.39.148.0/22 | ||||||
| PTR | forward20.nameresolvers.com | ||||||
| SOA | dns1.nameresolvers.comdnsadmin@namejuice.com 2011-07-22 #10 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1784224787 | ||||||
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●NSdns1.nameresolvers.com2015-07-11 → 2026-07-16 · 2 obs
● 2026-07-16 18:30:06
●NSdns2.nameresolvers.com2015-07-11 → 2026-07-16 · 2 obs
● 2026-07-16 18:30:06
●NSdns3.nameresolvers.com2015-07-11 → 2026-07-16 · 2 obs
● 2026-07-16 18:30:06
●NSdns4.nameresolvers.com2015-07-11 → 2026-07-16 · 2 obs
● 2026-07-16 18:30:06
●MXforward10.nameresolvers.com2015-07-11 → 2026-07-16 · 4 obs
● 2018-09-22 02:09:26
○ 2026-06-15 22:11:30
● 2026-07-16 18:30:06
○MXforward100.nameresolvers.com2015-07-11 → 2018-09-22 · 4 obs
● 2018-09-22 02:09:26
○ 2026-06-15 22:11:30
○ 2026-07-16 18:30:06
●MXforward20.nameresolvers.com2015-07-11 → 2026-07-16 · 4 obs
● 2018-09-22 02:09:26
○ 2026-06-15 22:11:30
● 2026-07-16 18:30:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| sfeir.org | dns1.nameresolvers.com, dns2.nameresolvers.com, dns3.nameresolvers.com, dns4.nameresolvers.com | - |
✅ Authoritative Response
Server:172.105.25.101
NS records: dns1.nameresolvers.com, dns2.nameresolvers.com, dns3.nameresolvers.com, dns4.nameresolvers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfeir.org (unsigned zone)
⏱️ Timing
Total: 616ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | dns1.nameresolvers.com, dns2.nameresolvers.com... |
| MX | 2 | forward20.nameresolvers.com (pri: 10), forward10.nameresolvers.com (pri: 10) |
| SOA | 1 | dns1.nameresolvers.com dnsadmin.namejuic |
Analysis
Name Servers
The domain sfeir.org is delegated to these four name servers: dns1.nameresolvers.com, dns2.nameresolvers.com, dns3.nameresolvers.com and dns4.nameresolvers.com.
There is at least partial name server overlap between sfeir.org and other domains — catlea.com, qsatlaw.com, (0x6675636b)youradio.com and two more among them.
dns1.nameresolvers.com resolves to 172.105.25.101. dns2.nameresolvers.com resolves to 172.105.102.173. dns3.nameresolvers.com resolves to 142.93.196.148. dns4.nameresolvers.com resolves to 104.248.127.82. All four hosts carry exactly one IP address.
Mail Servers
The MX records for sfeir.org point to two mail servers: forward10.nameresolvers.com and forward20.nameresolvers.com.
sfeir.org has the same mail server arrangement as a number of other domains, for example luminousaudio.com, lutech.com, lifepharms.com and two more.
sfeir.org shares at least some of its mail servers with other domains — for example j-t-e.com, solanet.net, msafinancial.net and two more.
It is common to find these mail servers paired with the mail servers forward100.nameresolvers.com.
forward10.nameresolvers.com → 65.39.148.172 and forward20.nameresolvers.com → 65.39.148.173: one IP number per host name.