sfeir.lu - robtex.com
sfeir.lu
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.mydyndns.org ⚠️ Not in zone NS records | ||||||
| A | 2600:2000:2100::c9🇺🇸 ORACLE-OCI-318982600:2000:2100::/44 Dynamic Network Services, Inc. | ||||||
| PTR | ns1.p201.dns.oraclecloud.net | ||||||
| A | 108.59.166.201🇺🇸 ORACLE-OCI-31898108.59.166.0/23 Dynamic Network Services, Inc. | ||||||
| PTR | ns1.p201.dns.oraclecloud.net | ||||||
| NS | ns2.mydyndns.org ⚠️ Not in zone NS records | ||||||
| A | 2600:2000:2110::c9🇺🇸 ORACLE-OCI-318982600:2000:2110::/44 Dynamic Network Services, Inc. | ||||||
| PTR | ns2.p201.dns.oraclecloud.net | ||||||
| A | 108.59.168.201🇺🇸 ORACLE-OCI-31898108.59.168.0/23 Dynamic Network Services, Inc. | ||||||
| PTR | ns2.p201.dns.oraclecloud.net | ||||||
lu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | 1.ns.lu ⭐ | ||||||
| NS | g.dns.lu | ||||||
| NS | i.dns.lu | ||||||
| NS | j.dns.lu | ||||||
| NS | k.dns.lu | ||||||
| NS | p.dns.lu | ||||||
| NS | r.ns.lu | ||||||
| TXT | Exported: 2026-07-16 14:01:01 | ||||||
| SOA | 1.ns.lunoc@restena.lu serial=1784203273 | ||||||
Same first word
Similar names
DNS History
10 records (2 active, 8 former)
●NSns1.mydyndns.org2015-06-22 → 2026-07-16 · 2 obs
● 2026-07-16 12:59:40
○NSns1174.dns.dyn.com2015-06-22 → 2018-01-11 · 4 obs
● 2018-01-11 18:24:18
○ 2026-06-09 12:36:54
○ 2026-07-16 12:59:40
●NSns2.mydyndns.org2026-06-09 → 2026-07-16 · 3 obs
● 2026-06-09 12:36:54
● 2026-07-16 12:59:40
○NSns2133.dns.dyn.com2015-06-22 → 2018-01-11 · 4 obs
● 2018-01-11 18:24:18
○ 2026-06-09 12:36:54
○ 2026-07-16 12:59:40
○NSns3197.dns.dyn.com2015-06-22 → 2018-01-11 · 4 obs
● 2018-01-11 18:24:18
○ 2026-06-09 12:36:54
○ 2026-07-16 12:59:40
○NSns4196.dns.dyn.com2015-06-22 → 2018-01-11 · 4 obs
● 2018-01-11 18:24:18
○ 2026-06-09 12:36:54
○ 2026-07-16 12:59:40
○MXalt1.aspmx.l.google.com2015-06-22 → 2018-01-11 · 4 obs
● 2018-01-11 18:24:18
○ 2026-06-09 12:36:54
○ 2026-07-16 12:59:40
○MXalt2.aspmx.l.google.com2015-06-22 → 2018-01-11 · 4 obs
● 2018-01-11 18:24:18
○ 2026-06-09 12:36:54
○ 2026-07-16 12:59:40
○MXaspmx.l.google.com2015-06-22 → 2018-01-11 · 4 obs
● 2018-01-11 18:24:18
○ 2026-06-09 12:36:54
○ 2026-07-16 12:59:40
○A213.135.245.812015-06-22 → 2018-01-11 · 4 obs
● 2018-01-11 18:24:18
○ 2026-06-09 12:36:54
○ 2026-07-16 12:59:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | 1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu... | 14 records |
| sfeir.lu | ns1.mydyndns.org, ns2.mydyndns.org | - |
✅ Authoritative Response
Server:108.59.168.201
NS records: ns1.mydyndns.org, ns2.mydyndns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfeir.lu (unsigned zone)
⏱️ Timing
Total: 1126ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 14
In-bailiwick: 14 (1.ns.lu, g.dns.lu, i.dns.lu...)
Analysis
Name Servers
sfeir.lu uses two name servers for its delegation: ns1.mydyndns.org and ns2.mydyndns.org.
The name server configuration of sfeir.lu is shared with other domains, for instance mereos.com, tecnosmart.cl, fnahealth.com and two others.
The name servers of sfeir.lu overlap at least partially with those of other domains — among them sarahgreubel.com, homelannetwork.com, dynds.org and two more.
These name servers commonly appear in delegations together with ns3.mydyndns.org, ns4.mydyndns.org, ns5.mydyndns.org and 7 other.
The two host names ns1.mydyndns.org and ns2.mydyndns.org each have a pair of IP addresses: ns1.mydyndns.org has 108.59.166.201 and 2600:2000:2100::c9, and ns2.mydyndns.org has 108.59.168.201 and 2600:2000:2110::c9.